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Basic Concepts and Economic Systems PYQs – Economics, SSC & Railway

122 Basic Concepts and Economic Systems (Economics) questions asked in recent SSC and Railway exams, newest first, with exam, date & shift, answers and solutions.

📚 122 questionsSSC 87 · Railway 35
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SSC Stenographer 2026 – 12 September 2026 Shift 2 · Economic systems (capitalist, socialist, mixed)

Q1. What was the main model adopted for Indian economic planning after Independence?

  1. (a) Pure capitalism
  2. (b) Mixed economy
  3. (c) Pure socialism
  4. (d) Laissez-faire
Answer & solution

Answer: (b) Mixed economy

Answer: Option 2 — Mixed economy
Independent India chose a mixed economy: the public sector took the commanding heights (heavy industry, infrastructure, defence) while the private sector worked alongside it.
Both were steered by the Five-Year Plans.
Nehru rejected the Soviet model because it left no room for private enterprise, and rejected pure capitalism because the market alone would not build basic industry in a poor country.
Revision note — India's planning model after 1947
• The Industrial Policy Resolution of 6 April 1948 was the first statement of the mixed economy, dividing industries between the state and private hands.
• The Planning Commission was set up by a Cabinet resolution on 15 March 1950 with the Prime Minister as chairman; it was replaced by NITI Aayog on 1 January 2015.
• The First Plan (1951–56) followed the Harrod-Domar model and stressed agriculture and irrigation.
• The Second Plan (1956–61) followed the Mahalanobis model and stressed heavy and capital-goods industry.
• The Avadi session of Congress (1955) adopted the goal of a socialistic pattern of society.
• The Industrial Policy Resolution of 1956, called the economic constitution of India, sorted industries into Schedules A, B and C.
• Public-sector giants of this era: Bhilai (USSR), Rourkela (West Germany) and Durgapur (UK) steel plants under the Second Plan.
• The 1991 LPG reforms (liberalisation, privatisation, globalisation) shifted the balance towards the market, but India remains a mixed economy.
Do not mix these up
• Mixed economy vs socialistic pattern of society — the mixed economy is the system (public and private sectors together); the socialistic pattern was the declared goal of that system after Avadi, 1955.
• Planning Commission vs Finance Commission — the Planning Commission (now NITI Aayog) drew up plans; the Finance Commission (Article 280) recommends how tax revenue is shared between Centre and states.
Also asked from this topic: the economic system India adopted after Independence (mixed economy); the year of independent India's first Industrial Policy (1948); the Five-Year Plan based on the Mahalanobis model (Second, 1956–61).
SSC Stenographer 2026 – 10 September 2026 Shift 3 · Microeconomics and macroeconomics

Q2. Which of the following is not a macroeconomic aggregate?

  1. (a) Aggregate demand
  2. (b) GDP
  3. (c) Price level
  4. (d) Market supply of rice
Answer & solution

Answer: (d) Market supply of rice

Answer: Option 4 — Market supply of rice
A macroeconomic aggregate is an economy-wide total, and aggregate demand, GDP and the general price level all are.
The market supply of rice is the supply of one commodity in one market, which belongs to microeconomics.
Revision note — Microeconomics and macroeconomics
• Microeconomics studies individual units — a household, a firm, the price and output of a single good. It is also called price theory.
• Macroeconomics studies the economy as a whole — national income, aggregate demand and supply, the price level, employment and the balance of payments. It is also called income and employment theory.
• The terms micro and macro were coined by the Norwegian economist Ragnar Frisch in 1933; J. M. Keynes's General Theory (1936) founded modern macroeconomics.
• Aggregate demand (AD) = C + I + G + (X − M) — consumption, investment, government spending and net exports.
• The general price level is measured by the CPI, the WPI and the GDP deflator (nominal GDP ÷ real GDP × 100).
• Macroeconomics treats all output as one representative commodity, which is exactly why a single market's supply has no place among its aggregates.
Do not mix these up
• Market supply vs aggregate supply — market supply is one good in one market; aggregate supply is the total output of all goods in the economy.
• Price of rice vs price level — a single price is micro; the average of all prices is macro.
Also asked from this topic: the representative-commodity simplification in macroeconomics (SSC CGL 2025); imports and exports as leakage and injection in aggregate demand (SSC CGL 2025).
RRB Group D 2025-26 – 3 August 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q3. According to the Economic Survey 2025–26, which sector emerged as the largest contributor to India’s Gross Value Added (GVA) in recent years?

  1. (a) Services sector
  2. (b) Mining and quarrying
  3. (c) Manufacturing sector
  4. (d) Agriculture and allied activities
Answer & solution

Answer: (a) Services sector

Answer: Option 1 — Services sector
Per the Economic Survey 2025–26, theservices sectoris the largest contributor to India's Gross Value Added → Option 1.
RRB NTPC UG CBT-1 2025-26 – 17 June 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q4. Which of the following sectors includes activities like trade, transport, and communication in India?

  1. (a) Primary
  2. (b) Secondary
  3. (c) Tertiary
  4. (d) Quinary
Answer & solution

Answer: (c) Tertiary

Economic sectors classification:
Primary Sector:Agriculture, mining, forestry
Secondary Sector:Manufacturing, construction
Tertiary Sector:Services - trade, transport, communication, banking
Quinary Sector:High-level decision making, research
Trade, transport, and communication areservice activities
These fall under theTertiary/Service Sector
Answer: Option 3 → Tertiary
RRB NTPC UG CBT-1 2025-26 – 16 June 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q5. The primary focus of tertiary activities is:

  1. (a) Wealth creation through agriculture
  2. (b) Extraction of natural resources
  3. (c) Transformation of raw materials
  4. (d) Production of intangible goods
Answer & solution

Answer: (d) Production of intangible goods

Economic Activities Classification:
Primary:Agriculture, mining, fishing (natural resources)
Secondary:Manufacturing, construction (raw material transformation)
Tertiary:Services sector (intangible goods)
Tertiary Activities Include:
Trade, transport, communication, banking, education, healthcare
These produce services, not physical products
Options 1 & 2 → Primary sector
Option 3 → Secondary sector
Option 4 → Tertiary sector ✓
RRB NTPC UG CBT-1 2025-26 – 16 June 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q6. Which sector in India includes activities such as cotton textile production and iron and steel manufacturing?

  1. (a) Tertiary sector
  2. (b) Quaternary sector
  3. (c) Secondary sector
  4. (d) Primary sector
Answer & solution

Answer: (c) Secondary sector

Economic Sectors Classification:
Primary Sector:Extraction of raw materials (agriculture, mining, fishing)
Secondary Sector:Manufacturing and processing of raw materials into finished goods
Tertiary Sector:Services (banking, transport, education)
Quaternary Sector:Knowledge-based services (IT, research)
Cotton textile production and iron & steel manufacturing involveprocessing and manufacturing
These activities transform raw materials into finished products
Answer: Option 3 → Secondary sector
SSC GD 2026 – 18 May 2026 Shift 1 · Economic systems (capitalist, socialist, mixed)

Q7. Which of the following is NOT a function of the government in a mixed economy?

  1. (a) Fixing prices of all goods
  2. (b) Regulation of markets
  3. (c) Provision of public goods
  4. (d) Redistribution of income
Answer & solution

Answer: (a) Fixing prices of all goods

Correct Answer: Fixing prices of all goods — Option (a)
In a mixed economy, the government does NOT fix prices of ALL goods — that would be characteristic of a centrally planned (command) economy. In a mixed economy, prices of most goods and services are determined by market forces (supply and demand). The government's actual functions in a mixed economy include: Regulation of markets (to prevent monopolies, ensure competition, and protect consumers); Provision of public goods (like national defence , street lighting — goods that markets fail to provide adequately); Redistribution of income (through taxes, subsidies, and welfare programmes to reduce inequality). The government may control prices of essential commodities selectively, but fixing ALL prices is not a mixed economy function.
Option (b) Regulation of markets — Incorrect as the answer: Market regulation IS a government function in mixed economies (via competition laws, financial regulations, etc.).
Option (c) Provision of public goods — Incorrect as the answer: Providing public goods ( defence , public health, infrastructure) IS a core government function in mixed economies.
Option (d) Redistribution of income — Incorrect as the answer: Income redistribution through progressive taxation, subsidies, and social welfare schemes IS a government function in mixed economies.
RRB NTPC UG CBT-1 2025-26 – 9 May 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q8. Service and trade fall under which type of economic activities?

  1. (a) Tertiary
  2. (b) Primary
  3. (c) Secondary
  4. (d) Quaternary
Answer & solution

Answer: (a) Tertiary

Economic Activities Classification:
Primary:Extraction of natural resources (agriculture, mining, fishing)
Secondary:Manufacturing and processing (industries, construction)
Tertiary:Services and trade (banking, transport, retail, healthcare)
Quaternary:Knowledge-based services (IT, research, consulting)
Service and trade involve providing services and commercial exchange.
These fall underTertiary sector.
Answer: Option 1 → Tertiary
SSC GD 2026 – 8 May 2026 Shift 3 · Economic systems (capitalist, socialist, mixed)

Q9. What is another name for a market economy?

  1. (a) Communism
  2. (b) Feudalism
  3. (c) Capitalism
  4. (d) Socialism
Answer & solution

Answer: (c) Capitalism

Correct Answer: Capitalism — Option (c)
A market economy is also known as Capitalism. In a market economy (capitalist system), the means of production (factories, resources, businesses) are privately owned, and economic decisions regarding investment, production, income distribution, and prices are made through the free market mechanism of supply and demand — with minimal government intervention. Key features include private property rights, free enterprise, profit motive, competition, and consumer sovereignty. Examples include the United States, United Kingdom, and most developed economies.
Option (a) Communism — Incorrect: In communism, the means of production are collectively owned (state-owned), and there is no private property or market mechanism; it is the opposite of a market economy.
Option (b) Feudalism — Incorrect: Feudalism is a medieval socio-economic system based on land ownership and obligations between lords and serfs; it is not synonymous with market economy.
Option (d) Socialism — Incorrect: In socialism, key industries are owned by the state or community, and production is planned for social benefit rather than profit; it differs from a market (capitalist) economy.
RRB NTPC UG CBT-1 2025-26 – 7 May 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q10. Which of the following services is a core component of the tourism industry?

  1. (a) Banking
  2. (b) Hospitality
  3. (c) Teaching
  4. (d) Insurance
Answer & solution

Answer: (b) Hospitality

Tourism Industry Core Components
Tourism industry consists of services that directly support travelers and tourists.
Core Components:
1. Hospitality (hotels, restaurants, accommodation)
2. Transportation (airlines, railways, buses)
3. Travel agencies and tour operators
4. Entertainment and recreation facilities
Hospitality is theprimary serviceproviding accommodation, food, and guest services to tourists.
Banking, Teaching, Insurance aresupport services, not core tourism components.
Answer: Option 2 → Hospitality
RRB NTPC UG CBT-1 2025-26 – 7 May 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q11. Which of the following is NOT a characteristic of tertiary services?

  1. (a) Includes tourism, banking, and trade
  2. (b) Involves face-to-face or remote interaction
  3. (c) Directly processes natural resources
  4. (d) Often located in urban areas
Answer & solution

Answer: (c) Directly processes natural resources

Topic: Tertiary Sector (Service Sector)
Characteristics of Tertiary Services:
• Provides services, not goods (banking, tourism, trade)
• Involves human interaction (face-to-face or remote)
• Concentrated in urban areas with infrastructure
NOT a characteristic:
• Processing natural resources is done byPrimary Sector
(agriculture, mining, forestry, fishing)
Tertiary sector supports primary and secondary sectors
through services, not direct resource processing.
Answer: Option 3 → Directly processes natural resources
RRB NTPC UG CBT-1 2025-26 – 7 May 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q12. Which of the following is a tertiary sector activity?

  1. (a) Farming
  2. (b) Mining
  3. (c) Teaching
  4. (d) Manufacturing
Answer & solution

Answer: (c) Teaching

Economic sectors are classified into three categories:
Primary Sector:Extraction of natural resources (Farming, Mining, Fishing)
Secondary Sector:Manufacturing and processing (Manufacturing, Construction)
Tertiary Sector:Services (Teaching, Banking, Transport, Healthcare)
Teaching is a service activity, not production or extraction.
Answer: Option 3 → Teaching
RRB NTPC GL CBT-1 2025-26 – 27 March 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q13. Identify the tertiary activity from among the following.

  1. (a) Drink industry
  2. (b) Biotechnology
  3. (c) Real estate
  4. (d) Construction industry
Answer & solution

Answer: (c) Real estate

Economic Activities Classification:
Primary:Extraction of natural resources (agriculture, mining, fishing)
Secondary:Manufacturing and processing (industries, construction)
Tertiary:Services sector (trade, transport, banking, real estate)
Analysis of Options:
• Drink industry → Secondary (manufacturing)
• Biotechnology → Secondary (processing/production)
• Real estate →Tertiary (service sector)
• Construction → Secondary (building/infrastructure)
Real estate involves buying, selling, renting properties — a service activity.
Answer: Option 3 → Real estate
RRB NTPC GL CBT-1 2025-26 – 27 March 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q14. Which of the following sectors contributes the most to the economy of the US?

  1. (a) Tertiary Activity
  2. (b) Quaternary Activity
  3. (c) Secondary Activity
  4. (d) Primary Activity
Answer & solution

Answer: (a) Tertiary Activity

Topic:US Economy - Sectoral Contribution
Primary Sector:Agriculture, mining (~2% GDP)
Secondary Sector:Manufacturing, construction (~18% GDP)
Tertiary Sector:Services like retail, healthcare, finance (~80% GDP)
Quaternary Sector:Information technology, R&D (subset of tertiary)
The US is aservice-based economywith tertiary sector dominating.
Answer: Option 1 → Tertiary Activity
RRB NTPC GL CBT-1 2025-26 – 19 March 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q15. In developed countries, which of the following sectors has become the most important in terms of total production?

  1. (a) Quinary Activity
  2. (b) Tertiary Activity
  3. (c) Secondary Activity
  4. (d) Primary Activity
Answer & solution

Answer: (b) Tertiary Activity

Economic Sectors in Developed Countries
Primary Sector: Agriculture, mining, forestry
Secondary Sector: Manufacturing, construction
Tertiary Sector: Services (banking, education, healthcare, IT, retail)
Quinary Sector: High-level decision making (research, top management)
In developed countries,service sector dominatestotal production.
Contributes 70-80% of GDP in USA, UK, Japan, etc.
Shift from manufacturing to services is key development indicator.
Answer: Option 2 → Tertiary Activity
RRB NTPC GL CBT-1 2025-26 – 18 March 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q16. What type of activity is tourism classified as?

  1. (a) Secondary
  2. (b) Primary
  3. (c) Quaternary
  4. (d) Tertiary
Answer & solution

Answer: (d) Tertiary

Economic activities are classified into sectors:
Primary:Extraction of natural resources (agriculture, mining, fishing)
Secondary:Manufacturing and processing of raw materials
Tertiary:Services sector (tourism, banking, transport, trade)
Quaternary:Knowledge-based services (IT, research, consulting)
Tourism involves providing services like hospitality, travel, entertainment.
It does not extract resources or manufacture goods.
Answer: Option 4 → Tertiary
RRB NTPC GL CBT-1 2025-26 – 17 March 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q17. Why do large cities tend to have a higher proportion of tertiary activities in India?

  1. (a) Due to agglomeration and services demand
  2. (b) Because of mining operations
  3. (c) Because of fertile land
  4. (d) Due to lack of primary resources
Answer & solution

Answer: (a) Due to agglomeration and services demand

Tertiary sector includes services like banking, trade, transport, education, healthcare, IT, etc.
Key Factors:
1.Agglomeration economies- Concentration of businesses and population creates demand for diverse services
2.Higher income levels- Urban population has greater purchasing power for services
3.Infrastructure availability- Better connectivity and facilities support service industries
Mining (Option 2) and fertile land (Option 3) relate to primary/secondary sectors, not tertiary.
Answer: Option 1 → Due to agglomeration and services demand
RRB NTPC GL CBT-1 2025-26 – 17 March 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q18. What trend is noted in the share of agriculture in GDP from 1950–51 to 2016–17?

  1. (a) Moderate growth with fluctuations
  2. (b) Sharp rise and quick fall
  3. (c) Significant reduction
  4. (d) Continuous decline with rebounds
Answer & solution

Answer: (c) Significant reduction

In 1950-51, agriculture contributed over50% of India's GDP.
By 2016-17, this share declined to approximately15-17%.
This reflects structural transformation as services and industry sectors grew faster.
The decline was consistent and substantial over 66 years.
Answer: Option 3 → Significant reduction
RRB NTPC GL CBT-1 2025-26 – 16 March 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q19. Which of the following is a tertiary activity?

  1. (a) Metal working
  2. (b) Extracting minerals
  3. (c) Shoe shining
  4. (d) Steel making
Answer & solution

Answer: (c) Shoe shining

Topic: Economic Activities Classification
Primary: Extracting natural resources (mining, farming)
Secondary: Processing/manufacturing (steel, metalwork)
Tertiary: Services provided to people
Shoe shining = Direct service to customers
Not extraction, not manufacturing = Tertiary
Answer: Option 3 → Shoe shining
RRB NTPC GL CBT-1 2025-26 – 16 March 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q20. In the context of India's pre-1991 economic structure, which of the following best characterizes the contradiction between sectoral GDP contribution and employment absorption?

  1. (a) Agriculture contributed declining GDP share but absorbed majority employment
  2. (b) Industry contributed the most to GDP and employment
  3. (c) Manufacturing became the primary employment generator
  4. (d) Services led GDP growth and employment generation equally
Answer & solution

Answer: (a) Agriculture contributed declining GDP share but absorbed majority employment

Key contradiction in pre-reform India:
• Agriculture's share of GDP was declining steadily.
• But agriculture still employed 60–70% of the total workforce.
Why?
• Structural transformation was incomplete — industries did not grow fast enough
to absorb the rural labour force.
• Low productivity in agriculture meant many remained farming for subsistence.
This is called the 'Structural Imbalance' or 'Dualistic Economy'.
Answer: Option 1 → Agriculture contributed declining GDP share but absorbed majority employment.
SSC MTS 2025 – 19 February 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q21. About what percentage of India's population was dependent on agriculture at the time of independence?

  1. (a) 19%
  2. (b) 25%
  3. (c) 39%
  4. (d) 75%
Answer & solution

Answer: (d) 75%

Correct Answer: 75% (Option 4)
At the time of Indian independence in 1947, approximately 75% of India's population was dependent on agriculture for their livelihood. India had a predominantly agrarian economy with very limited industrial development under British colonial rule.
Why other options are wrong:
Options 1 (19%), 2 (25%), and 3 (39%) are all far too low and do not reflect the actual agrarian nature of India's economy at independence.
SSC MTS 2025 – 19 February 2026 Shift 3 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q22. Which of the following is an example of Public Good?

  1. (a) National defence
  2. (b) Clothes
  3. (c) Cars
  4. (d) Food items
Answer & solution

Answer: (a) National defence

Correct Answer: National defence (Option 1)
A Public Good is characterized by two properties: (1) Non-excludability – no one can be prevented from using it, and (2) Non-rivalry – one person's use does not reduce availability for others. National defence is the classic example: it protects all citizens simultaneously and no one can be excluded from its benefits.
Why other options are wrong:
Option 2 – Clothes are excludable (you can be prevented from buying them) and rival (one person wearing a shirt means another cannot wear the same shirt). They are private goods.
Option 3 – Cars are excludable and rival — a private good.
Option 4 – Food items are excludable and rival — a private good.
SSC MTS 2025 – 18 February 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q23. When the fruit or vegetable vendors sell the farm produce to household consumers, this type of economic activity is included in _____ sector of the economy.

  1. (a) Primary
  2. (b) Secondary
  3. (c) Tertiary
  4. (d) Quinary
Answer & solution

Answer: (c) Tertiary

The correct answer is option 3.
The Tertiary sector (also called the Service sector) includes all economic activities that involve providing services rather than producing goods. When vendors sell farm produce to household consumers, they are performing a distribution/trading service — connecting producers to consumers. This activity of trade and retail falls under the Tertiary sector.
Option 1 is incorrect: The Primary sector involves direct extraction/production from nature — farming, fishing, mining, etc. The vendors do not grow the produce; they sell it.
Option 2 is incorrect: The Secondary sector involves manufacturing and processing of raw materials into finished goods. Selling fruits and vegetables as-is is not manufacturing.
Option 4 is incorrect: The Quinary sector refers to the highest level of decision-making activities — government, research, top executives — not retail trade.
SSC MTS 2025 – 17 February 2026 Shift 1 · Economic systems (capitalist, socialist, mixed)

Q24. Which of the following is central problem of economy?
I. What is produced and in what quantities?
II. How are these goods produced?

  1. (a) Only I
  2. (b) Only II
  3. (c) Both I and II
  4. (d) Neither I nor II
Answer & solution

Answer: (c) Both I and II

Both are central (basic) economic problems. Every economy must decide: (I) What to produce and in what quantities — choice of goods and their amounts; and (II) How to produce — choice of production technique ( labour-intensive or capital-intensive). A third problem is 'For whom to produce'. Only I and Only II are incomplete; Neither I nor II is incorrect.
SSC MTS 2025 – 12 February 2026 Shift 3 · Economic systems (capitalist, socialist, mixed)

Q25. In the context of mixed economy of India, "For whom to produce" is decided by _____ in the economy.

  1. (a) market forces alone
  2. (b) a combination of market forces and government intervention
  3. (c) general agreement on tariff and trade
  4. (d) government alone
Answer & solution

Answer: (b) a combination of market forces and government intervention

Correct Answer: Option 2 – a combination of market forces and government intervention
In a mixed economy like India, all three central economic questions — what to produce, how to produce, and for whom to produce — are decided jointly by market forces and government intervention. Market forces (demand and supply) determine production for those who can pay, while the government intervenes through subsidies, welfare schemes, and public distribution to ensure basic goods reach lower-income groups.
Why other options are wrong:
Option 1 (market forces alone): This describes a free market (capitalist) economy, not a mixed economy.
Option 3 (GATT): GATT is an international trade agreement, not a mechanism for deciding domestic production allocation.
Option 4 (government alone): This describes a command or socialist economy, not India's mixed economy.
SSC MTS 2025 – 11 February 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q26. As per the Sectoral Composition of workforce in India, 2011, what percentage of the total workforce was engaged in the primary sector?

  1. (a) 34.6%
  2. (b) 54.6%
  3. (c) 64.6%
  4. (d) 61.6%
Answer & solution

Answer: (b) 54.6%

The correct answer is 54.6% (Option 2). According to the Sectoral Composition of workforce in India based on the 2011 Census data, approximately 54.6% of the total workforce was engaged in the primary sector (agriculture, forestry, fishing, and mining/quarrying). This reflects India's predominantly agrarian economy. Options 1 (34.6%), 3 (64.6%), and 4 (61.6%) are incorrect figures for the primary sector in 2011.
SSC MTS 2025 – 9 February 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q27. Which of the following economic activity is included in the primary sector?

  1. (a) Trade and logistics
  2. (b) Healthcare
  3. (c) Manufacturing
  4. (d) Fishing
Answer & solution

Answer: (d) Fishing

Correct Answer: 4 (Fishing)
The Primary Sector involves activities that directly extract or harvest natural resources from nature. These include agriculture, fishing, forestry, mining, animal husbandry, and hunting. Fishing involves direct extraction of aquatic resources from nature.
Option 1 (Trade and logistics) is incorrect - these belong to the Tertiary (Services) sector.
Option 2 (Healthcare) is incorrect - healthcare is a Tertiary sector activity.
Option 3 (Manufacturing) is incorrect - manufacturing involves processing raw materials and belongs to the Secondary sector.
SSC MTS 2025 – 6 February 2026 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q28. 'S' is a sector of economy in which group of activities involves processing of raw materials derived from primary sector into products for sale or consumption. Which of the following is part of 'S'?

  1. (a) Construction
  2. (b) Policy formulation
  3. (c) Banking
  4. (d) Trade and logistics
Answer & solution

Answer: (a) Construction

Correct Answer: 1 (Construction)
'S' refers to the Secondary Sector of the economy, which involves manufacturing and processing of raw materials into finished goods. Construction is a key part of the secondary sector.
Option 2 (Policy formulation) is incorrect - this belongs to the Tertiary (service) sector, specifically to government/administration.
Option 3 (Banking) is incorrect - Banking is part of the Tertiary (service) sector.
Option 4 (Trade and logistics) is incorrect - Trade and logistics are part of the Tertiary (service) sector.
SSC MTS 2025 – 6 February 2026 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q29. Which of the following economic activity is NOT included in the primary sector?

  1. (a) Fishing
  2. (b) Mining
  3. (c) Manufacturing
  4. (d) Forestry
Answer & solution

Answer: (c) Manufacturing

Correct Answer: 3 (Manufacturing)
The Primary Sector includes activities that involve the direct extraction and collection of natural resources from the earth. This includes agriculture, fishing, mining, forestry, animal husbandry, and hunting.
Manufacturing belongs to the Secondary Sector, which involves processing and converting raw materials into finished goods.
Option 1 (Fishing) is incorrect - Fishing is a primary sector activity.
Option 2 (Mining) is incorrect - Mining is a primary sector activity (extraction of minerals).
Option 4 (Forestry) is incorrect - Forestry is a primary sector activity.
SSC MTS 2025 – 6 February 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q30. In India, what was the share of industrial sector in GDP in 1950-1951?

  1. (a) 5%
  2. (b) 13%
  3. (c) 50%
  4. (d) 65%
Answer & solution

Answer: (b) 13%

Correct Answer: 2 (13%)
At the time of India's independence, the economy was primarily agricultural. In 1950-51, the share of the industrial sector in India's GDP was approximately 13%. Agriculture dominated at around 55-60%, while the services sector accounted for the remaining share.
Option 1 (5%) is incorrect - the industrial share was higher than 5%.
Option 3 (50%) is incorrect - a 50% industrial share would indicate a highly industrialised economy, which India was not in 1950-51.
Option 4 (65%) is incorrect.
Delhi Police Head Constable (Ministerial) 2025-26 – 9 January 2026 Shift 2 · Cost, revenue and utility concepts

Q31. Which of the following statements most accurately captures the underlying economic principle illustrated by a concave Production Possibility Frontier (PPF), and what implication does this have for resource allocation in a mixed economy like India?

  1. (a) It implies constant opportunity cost due to perfect factor mobility between goods.
  2. (b) It reflects increasing opportunity cost, indicating that resources are not equally efficient in all uses, necessitating careful prioritization in planning.
  3. (c) It shows decreasing marginal returns from producing capital goods, justifying complete specialization.
  4. (d) It represents a linear trade-off between goods and services, thus supporting autarkic development strategies.
Answer & solution

Answer: (b) It reflects increasing opportunity cost, indicating that resources are not equally efficient in all uses, necessitating careful prioritization in planning.

A concave (bowed-outward) PPF represents increasing opportunity costs. As an economy shifts more resources toward one good, the cost of producing each additional unit rises because resources are not perfectly adaptable between uses. In a mixed economy like India, this makes careful resource allocation and planning essential.
(1) A straight-line PPF represents constant opportunity cost, not a concave PPF.
(3) A concave PPF does not justify complete specialization.
(4) A linear trade-off corresponds to a straight PPF, not a concave one.
Delhi Police Head Constable (Ministerial) 2025-26 – 8 January 2026 Shift 2 · Economic systems (capitalist, socialist, mixed)

Q32. India's post-independence economic model is often described as a 'mixed economy'. What does this imply?

  1. (a) Economic activities are solely controlled by the government (public sector).
  2. (b) Economic activities are completely free from government intervention.
  3. (c) Co-existence of both public and private sectors in economic activities.
  4. (d) Dominance of foreign companies in all major economic sectors.
Answer & solution

Answer: (c) Co-existence of both public and private sectors in economic activities.

Correct Answer: Option 3 – Co-existence of both public and private sectors
A mixed economy is one where both the public sector (government-owned enterprises) and the private sector (privately owned businesses) co-exist and operate simultaneously. After independence, India adopted a mixed economy model:
• The public sector controlled strategic industries ( defence , railways, heavy industries, banks).
• The private sector operated in consumer goods, trade, agriculture, and small/medium industries.
• The government used planning (Five Year Plans) and regulations to guide development.
This model aimed to combine the advantages of capitalism (private enterprise, efficiency) and socialism (equity, welfare).
Why other options are wrong:
Option 1 (Solely government controlled): This describes a Socialist/Command economy — not a mixed economy.
Option 2 (Completely free from government): This describes a purely Capitalist/Free-market economy — not India's model.
Option 4 (Dominance of foreign companies): India's mixed economy was largely nationalist, with significant restrictions on foreign companies (especially before 1991).
Delhi Police Head Constable (Ministerial) 2025-26 – 7 January 2026 Shift 1 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q33. According to Adam Smith's principle described in macroeconomics, what outcome is expected if every buyer and seller in a market acts in their own self-interest?

  1. (a) It leads to market monopolies and increased inequality
  2. (b) It hampers national economic growth due to lack of coordination
  3. (c) It results in collective welfare and wealth through an invisible hand mechanism
  4. (d) It creates inefficiencies and requires strong government intervention
Answer & solution

Answer: (c) It results in collective welfare and wealth through an invisible hand mechanism

Correct Answer: Option 3 – It results in collective welfare and wealth through an invisible hand mechanism
Adam Smith introduced the concept of the 'Invisible Hand' in his book 'The Wealth of Nations' (1776). He argued that when individuals act in their own self-interest in a free market, they are unconsciously guided by an 'invisible hand' to promote the economic well-being of society as a whole. Competition and price signals coordinate production and consumption efficiently without central planning.
Why other options are wrong:
Option 1 (Monopolies and inequality): Smith's invisible hand concept predicts efficient markets, not monopolies. Monopolies arise from market failures.
Option 2 (Hampers growth): Self-interest in a competitive market promotes growth, not hampers it.
Option 4 (Inefficiencies requiring intervention): This contradicts Smith's laissez-faire philosophy. He argued markets self-correct without government intervention.
Delhi Police Constable (Exe) 2025-26 – 3 January 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q34. Which economic sector is alternatively known as the 'agricultural and related sector'?

  1. (a) Primary Sector
  2. (b) Secondary Sector
  3. (c) Tertiary Sector
  4. (d) Service Sector
Answer & solution

Answer: (a) Primary Sector

The Primary Sector, which includes agriculture, forestry, fishing, and mining, is also known as the 'agricultural and related sector' because it directly involves extraction of natural resources and primary production.
(a) Incorrect: The Secondary Sector, also called the industrial sector, involves manufacturing and processing of primary goods.
(b) Incorrect: The Tertiary Sector, also called the service sector, includes banking, trade, transport, and services.
(c) Incorrect: The Service Sector is another name for the Tertiary Sector, not the Primary Sector.
Delhi Police Constable (Exe) 2025-26 – 3 January 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q35. Which economic sector is commonly referred to as the 'industrial sector'?

  1. (a) Primary Sector
  2. (b) Secondary Sector
  3. (c) Tertiary Sector
  4. (d) Service Sector
Answer & solution

Answer: (b) Secondary Sector

The Secondary Sector, also called the industrial sector, involves the transformation of raw materials (from the primary sector) into finished goods through manufacturing, construction, and processing industries.
(a) Incorrect: The Primary Sector covers agriculture and natural resource extraction, not industrial manufacturing.
(b) Incorrect: The Tertiary Sector is the service sector, encompassing banking, trade, and services.
(c) Incorrect: The Service Sector is another name for the Tertiary Sector, not the Secondary (industrial) Sector.
Delhi Police Constable (Exe) 2025-26 – 3 January 2026 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q36. Which economic sector is also known as the 'service sector'?

  1. (a) Primary Sector
  2. (b) Secondary Sector
  3. (c) Tertiary Sector
  4. (d) Agricultural Sector
Answer & solution

Answer: (c) Tertiary Sector

The Tertiary Sector is also known as the 'Service Sector' because it provides services rather than producing physical goods. It encompasses banking, finance, trade, transport, communication, education, and healthcare.
(a) Incorrect: The Primary Sector is the agricultural sector, dealing with natural resource extraction and farming.
(b) Incorrect: The Secondary Sector is the industrial sector, focused on manufacturing and processing.
(c) Incorrect: The Agricultural Sector refers to the Primary Sector, which extracts and produces raw materials.
Delhi Police Constable (Exe) 2025-26 – 30 December 2025 Shift 2 · Demand, supply and elasticity

Q37. The 'Law of Demand' states that when the price of a good increases, what happens to the quantity demanded?

  1. (a) It increases
  2. (b) It decreases
  3. (c) It stays the same
  4. (d) It becomes zero
Answer & solution

Answer: (b) It decreases

The Law of Demand states that there is an inverse relationship between price and quantity demanded. When the price of a good increases, consumers tend to buy less of it, so the quantity demanded decreases.
(a) Incorrect: Demand does not increase when price increases — this would describe a Giffen good, which is an exception, not the general law.
(c) Incorrect: Demand does not stay the same; it falls as prices rise under normal circumstances.
(d) Incorrect: Demand becoming zero would only occur at extremely high prices, not as a general rule.
Delhi Police Constable (Exe) 2025-26 – 29 December 2025 Shift 2 · Factors of production and returns

Q38. What are the four main 'factors of production' in economics?

  1. (a) Land, Labor, Capital, and Entrepreneurship
  2. (b) Money, Machines, Land, and People
  3. (c) Taxes, Loans, Goods, and Services
  4. (d) Primary, Secondary, Tertiary, and Quaternary
Answer & solution

Answer: (a) Land, Labor, Capital, and Entrepreneurship

The four classical factors of production are: Land (natural resources), Labor (human effort), Capital (man-made tools, machinery, buildings), and Entrepreneurship ( organising and risk-taking to combine the other factors). These are the inputs used to produce goods and services in an economy.
(b) Incorrect: Money and machines are sub-components of Capital, not separate factors.
(c) Incorrect: Taxes, loans, goods, and services are not factors of production.
(d) Incorrect: Primary, secondary, tertiary, and quaternary refer to economic sectors, not factors of production.
Delhi Police Constable (Exe) 2025-26 – 29 December 2025 Shift 3 · Economic systems (capitalist, socialist, mixed)

Q39. Under the 'Laissez-faire' economic theory, what is the role of the government?

  1. (a) Total control of the economy
  2. (b) Minimum interference in economic affairs
  3. (c) Setting prices for all goods
  4. (d) Owning all industries
Answer & solution

Answer: (b) Minimum interference in economic affairs

'Laissez-faire' (French for 'let it be/let it go') is an economic theory advocating for minimum government interference in economic affairs. It supports free markets, private enterprise, voluntary exchange, and minimal regulation. Adam Smith's 'Invisible Hand' concept underpins this theory — markets self-regulate through supply and demand.
(a) Incorrect: Total control of the economy is characteristic of Communism or Command economies, the opposite of laissez-faire.
(c) Incorrect: Setting prices for all goods is a hallmark of planned economies; laissez-faire allows market-determined prices.
(d) Incorrect: Owning all industries is a Socialist/Communist policy; laissez-faire favors private ownership.
Delhi Police Constable (Exe) 2025-26 – 24 December 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q40. A steel manufacturing plant belongs to which sector of the economy?

  1. (a) Primary Sector
  2. (b) Secondary Sector
  3. (c) Tertiary Sector
  4. (d) Quaternary Sector
Answer & solution

Answer: (b) Secondary Sector

The correct answer is Secondary Sector (Option 2).
A steel manufacturing plant belongs to the Secondary (Industrial) Sector of the economy. The secondary sector involves the processing of raw materials obtained from the primary sector into finished goods. Steel manufacturing transforms iron ore (a primary sector product) into steel through industrial processes.
Option 1 - Primary Sector: The primary sector involves direct extraction of natural resources, such as agriculture, mining, and fishing.
Option 3 - Tertiary Sector: The tertiary sector covers services like banking, transport, retail, education, and healthcare — not manufacturing.
Option 4 - Quaternary Sector: The quaternary sector involves knowledge-based activities such as information technology, research, and development.
Delhi Police Constable (Exe) 2025-26 – 24 December 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q41. Fill in the blank: By 1990, the proportion of India's GDP contributed by the industrial sector increased from ________ in 1950-51.

  1. (a) 10%
  2. (b) 13%
  3. (c) 15%
  4. (d) 20%
Answer & solution

Answer: (b) 13%

The correct answer is 13% (Option 2).
At the time of independence (1950-51), the industrial sector contributed approximately 13% to India's GDP. By 1990, following decades of industrialisation under Five-Year Plans emphasising heavy industry, this proportion had increased significantly, demonstrating the structural transformation of the Indian economy.
Option 1 - 10%: The industrial sector's share in 1950-51 was approximately 13%, not 10%.
Option 3 - 15%: 15% would overestimate the industrial sector's share at the start of India's planning era.
Option 4 - 20%: 20% would significantly overstate the industrial contribution in 1950-51 when India's economy was predominantly agrarian.
Delhi Police Constable (Exe) 2025-26 – 23 December 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q42. Which of these is an example of the 'Primary Sector' of the economy?

  1. (a) A car factory
  2. (b) A bank
  3. (c) Farming
  4. (d) A software company
Answer & solution

Answer: (c) Farming

The correct answer is Farming (Option 3).
The Primary Sector involves the direct extraction and production of natural resources. Agriculture (farming), fishing, mining, and forestry are all examples of the Primary Sector, as they involve working directly with the earth's natural resources.
Option 1 - A car factory: A car factory belongs to the Secondary Sector (manufacturing), which transforms raw materials into finished goods.
Option 2 - A bank: A bank belongs to the Tertiary Sector (services), which provides services rather than goods.
Option 4 - A software company: A software company belongs to the Tertiary or Quaternary Sector, dealing with information and knowledge-based services.
Delhi Police Constable (Exe) 2025-26 – 22 December 2025 Shift 3 · Cost, revenue and utility concepts

Q43. In economics, what does "opportunity cost" refer to?

  1. (a) The next best alternative forgone
  2. (b) The total money spent
  3. (c) A discount offered
  4. (d) A tax collected
Answer & solution

Answer: (a) The next best alternative forgone

The correct answer is The next best alternative forgone (Option 1).
Opportunity cost in economics refers to the value of the next best alternative that is sacrificed when a choice is made. It represents the implicit cost of choosing one option over another.
Option 2 - The total money spent: This refers to actual expenditure or accounting cost, not opportunity cost.
Option 3 - A discount offered: A price reduction by a seller; completely unrelated to the concept of opportunity cost.
Option 4 - A tax collected: A compulsory levy by the government; not related to opportunity cost in economic theory.
Delhi Police Constable (Exe) 2025-26 – 22 December 2025 Shift 3 · Cost, revenue and utility concepts

Q44. The concept of "marginal utility" measures:

  1. (a) Total benefit from a product
  2. (b) Satisfaction from one extra unit
  3. (c) Maximum production possible
  4. (d) Profit earned
Answer & solution

Answer: (b) Satisfaction from one extra unit

The correct answer is Satisfaction from one extra unit (Option 2).
Marginal utility is the additional satisfaction or utility gained by a consumer from consuming one more unit of a good or service. It typically diminishes as more units are consumed (Law of Diminishing Marginal Utility).
Option 1 - Total benefit from a product: This refers to total utility, which is the sum of satisfaction from all units consumed, not marginal utility.
Option 3 - Maximum production possible: This relates to production capacity or the Production Possibility Frontier, not a utility concept.
Option 4 - Profit earned: A business/financial metric (Revenue minus Cost); not a measure of consumer satisfaction.
Delhi Police Constable (Exe) 2025-26 – 20 December 2025 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q45. Software development and scientific research are activities associated with which sector of the economy?

  1. (a) Primary
  2. (b) Secondary
  3. (c) Tertiary
  4. (d) Quaternary
Answer & solution

Answer: (d) Quaternary

Software development, scientific research, information technology, and knowledge-based services belong to the Quaternary sector of the economy, which involves intellectual and knowledge-based activities. Option 4 is correct.
Option 1 is wrong: The Primary sector involves extraction of natural resources — agriculture, mining, fishing, and forestry.
Option 2 is wrong: The Secondary sector involves manufacturing and processing — transforming raw materials into finished goods.
Option 3 is wrong: The Tertiary sector covers services like trade, transport, banking, and retail — but software and scientific research are classified specifically under the Quaternary sector.
Delhi Police Constable (Exe) 2025-26 – 20 December 2025 Shift 1 · Market structures (perfect competition, monopoly, oligopoly)

Q46. What happens to firms under monopolistic competition in the short run?

  1. (a) Always incur losses
  2. (b) Must produce at minimum average cost
  3. (c) Can earn profits or losses depending on demand and cost conditions
  4. (d) Always earn abnormal profits.
Answer & solution

Answer: (c) Can earn profits or losses depending on demand and cost conditions

Under monopolistic competition in the short run, firms can earn supernormal profits, normal profits, or incur losses depending on where their demand curve and cost curves intersect. This flexibility is a key characteristic distinguishing monopolistic competition from perfect competition. Option 3 is correct.
Option 1 is wrong: Firms do not always incur losses in monopolistic competition; if demand is high enough relative to costs, firms can earn supernormal profits in the short run.
Option 2 is wrong: Production at minimum average cost (allocative efficiency) is a feature of long-run perfect competition, not of monopolistic competition in the short run.
Option 4 is wrong: Firms do not always earn abnormal (supernormal) profits in monopolistic competition; in the long run, free entry erodes profits to normal levels.
Delhi Police Constable (Exe) 2025-26 – 20 December 2025 Shift 2 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q47. Choose the correct statement regarding public goods.

  1. (a) They are non-excludable and non-rival.
  2. (b) They are excludable and rival.
  3. (c) They are excludable but non-rival.
  4. (d) They are non-excludable but rival.
Answer & solution

Answer: (a) They are non-excludable and non-rival.

Public goods have two defining characteristics: (1) Non-excludability — once provided, no one can be excluded from using them; (2) Non-rivalry — one person's use does not reduce availability for others. Examples include national defense, lighthouses, and street lighting. Option 1 is correct.
Option 2 is wrong: Goods that are both excludable and rival are private goods (e.g., food, clothing); these are the opposite of public goods.
Option 3 is wrong: Goods that are excludable but non-rival are club goods or toll goods (e.g., cable TV, toll roads with spare capacity) — a category distinct from pure public goods.
Option 4 is wrong: Goods that are non-excludable but rival are common pool resources (e.g., fish in the ocean, public pastures) — subject to the 'tragedy of the commons,' not pure public goods.
Delhi Police Constable (Exe) 2025-26 – 19 December 2025 Shift 1 · Market structures (perfect competition, monopoly, oligopoly)

Q48. Which of the following is not a characteristic of oligopoly?

  1. (a) Infinite sellers
  2. (b) Mutual interdependence
  3. (c) Homogeneous or differentiated products
  4. (d) Few large firms
Answer & solution

Answer: (a) Infinite sellers

'Infinite sellers' is NOT a characteristic of oligopoly. Oligopoly is a market structure characterized by: (1) Few large firms (small number of dominant sellers); (2) Mutual interdependence (each firm's decisions affect others); (3) Barriers to entry; (4) Products may be homogeneous (e.g., steel) or differentiated (e.g., automobiles). Examples of oligopolies include the automobile industry, mobile networks, and airline industry.
Option 2 is incorrect as an answer: Mutual interdependence IS a defining characteristic of oligopoly - firms are aware of each other's actions and react to them.
Option 3 is incorrect as an answer: Having homogeneous or differentiated products IS a characteristic of oligopoly markets.
Option 4 is incorrect as an answer: Few large firms IS the most fundamental characteristic of oligopoly. 'Infinite sellers' belongs to perfect competition, not oligopoly.
Delhi Police Constable (Exe) 2025-26 – 19 December 2025 Shift 1 · Cost, revenue and utility concepts

Q49. In the short run, a firm will shut down if:

  1. (a) Marginal cost > Average cost
  2. (b) Price < Average Total Cost
  3. (c) Price < Average Variable Cost
  4. (d) Total revenue < Total cost
Answer & solution

Answer: (c) Price < Average Variable Cost

In the short run, a firm will shut down if Price < Average Variable Cost (AVC). When price falls below AVC, the firm cannot even cover its variable costs. In this case, it is better to shut down temporarily and incur only fixed costs, rather than produce and incur losses greater than fixed costs. The shutdown point is at the minimum point of the AVC curve. This is different from the long-run exit decision.
Option 1 is incorrect: Marginal cost > Average cost is not the shutdown condition; it simply indicates that MC is pulling AC up (which is normal above the minimum AC).
Option 2 is incorrect: Price < Average Total Cost (ATC) means the firm is making losses but should continue in the short run as long as it can cover variable costs (Price > AVC). It exits in the long run if this continues.
Option 4 is incorrect: Total revenue < Total cost means the firm is making an overall loss, but this alone doesn't mean it should shut down in the short run - as long as TR > TVC (i.e., P > AVC), the firm should continue to minimise losses.
Delhi Police Constable (Exe) 2025-26 – 19 December 2025 Shift 1 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q50. In the short-run Phillips Curve:

  1. (a) Inflation and unemployment are negatively related
  2. (b) Trade-off exists only in the long run
  3. (c) Inflation and unemployment are positively related
  4. (d) No relation exists
Answer & solution

Answer: (a) Inflation and unemployment are negatively related

The short-run Phillips Curve shows a negative (inverse) relationship between inflation and unemployment. As unemployment decreases (more people employed, higher demand), inflation tends to increase, and vice versa. This trade-off was observed by A.W. Phillips in 1958 from UK data. In the short run, policymakers can choose between higher inflation with lower unemployment (expansionary policy) or lower inflation with higher unemployment (contractionary policy).
Option 2 is incorrect: The trade-off exists in the SHORT run, not just in the long run. In the long run (as per Friedman and Phelps), the Phillips Curve is vertical at the natural rate of unemployment with no inflation-unemployment trade-off.
Option 3 is incorrect: Inflation and unemployment are negatively related (not positively) in the short-run Phillips Curve.
Option 4 is incorrect: A clear inverse relationship does exist between inflation and unemployment in the short run; the relationship is well-documented in the Phillips Curve.
Delhi Police Constable (Exe) 2025-26 – 18 December 2025 Shift 2 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q51. What does the Laffer Curve in economics suggest?

  1. (a) Lower taxes always increase government revenue
  2. (b) Tax revenue is independent of tax rates
  3. (c) Higher taxes always raise government revenue
  4. (d) There exists an optimal tax rate that maximises revenue
Answer & solution

Answer: (d) There exists an optimal tax rate that maximises revenue

The Laffer Curve, developed by economist Arthur Laffer, suggests that there exists an optimal tax rate that maximises government tax revenue. The curve shows that both a 0% tax rate and a 100% tax rate generate zero revenue (at 0% no tax is collected; at 100% no one works because all earnings are taken). Therefore, there is some intermediate rate that maximises revenue. The concept was influential in supply-side economics and the Reagan tax cuts of the 1980s.
Option 1 is incorrect: Lower taxes do not always increase government revenue; if tax rates are already below the optimal point, cutting taxes would reduce revenue.
Option 2 is incorrect: Tax revenue is NOT independent of tax rates; the Laffer Curve specifically illustrates the relationship between tax rates and revenue.
Option 3 is incorrect: Higher taxes do not always raise revenue; if rates exceed the optimal point, higher taxes reduce economic activity and thus reduce total tax collection.
Delhi Police Constable (Exe) 2025-26 – 18 December 2025 Shift 2 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q52. Which of the following is an example of a "public good"?

  1. (a) Public transport
  2. (b) Private parks
  3. (c) Police services
  4. (d) Electricity
Answer & solution

Answer: (c) Police services

Police services are a classic example of a public good in economics. A public good has two key characteristics: (1) Non-excludable - you cannot prevent people from benefiting from it (everyone in a society benefits from law and order/safety provided by police); (2) Non-rival - one person's benefit does not reduce another's benefit (police protection for one citizen does not reduce safety for others).
Option 1 is incorrect: Public transport is excludable (passengers can be charged a fare and non-payers excluded) and rival (a full bus cannot take more passengers), making it a private/club good, not a pure public good.
Option 2 is incorrect: Private parks are excludable (access can be restricted by fences and entry fees) and rival; they are private goods.
Option 4 is incorrect: Electricity is excludable (supply can be cut off to non-payers) and rival at capacity (high demand causes shortages); it is a private good though often provided publicly.
SSC CPO Paper-1 2025 – 12 December 2025 Shift 1 · Microeconomics and macroeconomics

Q53. Which of the following is NOT within the scope of macroeconomics?

  1. (a) National income
  2. (b) Total investment
  3. (c) Wages of an establishment
  4. (d) Total consumption
Answer & solution

Answer: (c) Wages of an establishment

Correct Answer: Wages of an establishment (Option 3)
Macroeconomics studies the economy as a whole, dealing with economy-wide aggregates. Its key variables include: national income, total investment, total consumption, aggregate demand, price level, unemployment rate, and economic growth.
Wages of an establishment (Option 3) refers to the wage level of a single firm — this is a microeconomic concept, dealing with individual units of the economy (firms, households).
National income, Total investment, and Total consumption are all macroeconomic aggregates.
Therefore, wages of an establishment falls outside the scope of macroeconomics.
SSC CPO Paper-1 2025 – 12 December 2025 Shift 2 · Demand, supply and elasticity

Q54. Which of the following is the formula for elasticity of supply?

  1. (a) % change in price / % change in quantity supplied
  2. (b) % change in quantity supplied / % change in price
  3. (c) Original price / change in price
  4. (d) Change in quantity supplied / original quantity supplied
Answer & solution

Answer: (b) % change in quantity supplied / % change in price

Correct: % change in quantity supplied / % change in price.
Price Elasticity of Supply (PES) = (% Change in Quantity Supplied) ÷ (% Change in Price). Option 1 is the inverse (wrong). Option 3 and 4 are not standard economics formulas.
SSC CPO Paper-1 2025 – 11 December 2025 Shift 1 · Demand, supply and elasticity

Q55. When is total revenue maximized in relation to elasticity?

  1. (a) When elasticity is greater than one
  2. (b) When elasticity equals one
  3. (c) When elasticity is less than one
  4. (d) When marginal cost equals marginal revenue
Answer & solution

Answer: (b) When elasticity equals one

Correct Answer: When elasticity equals one (Option 2)
In economics, Total Revenue (TR) is maximized when price elasticity of demand equals 1 (unit elastic). At this point, the percentage change in quantity demanded exactly equals the percentage change in price, and marginal revenue (MR) = 0, meaning TR is at its maximum.
When elasticity > 1 (elastic): A price decrease increases TR, and a price increase decreases TR — TR is not maximized.
When elasticity < 1 (inelastic): A price increase increases TR — TR is not at maximum.
MR = MC is the condition for profit maximization, not revenue maximization.
SSC CPO Paper-1 2025 – 11 December 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q56. Read the following Assertion and Reason (R) carefully and choose the correct option.
Assertion (A): The planning approach between 1951-1990 led to a successful transformation of India's employment structure.
Reason (R): Over 65% of India's workforce remained dependent on agriculture during this period.

  1. (a) Both A and R are true and R is the correct explanation of A.
  2. (b) Both A and R are true but R is not the correct explanation of A.
  3. (c) A is true but R is false.
  4. (d) A is false but R is true.
Answer & solution

Answer: (d) A is false but R is true.

Correct Answer: A is false but R is true (Option 4)
Assertion is FALSE: The planning period 1951–1990 did NOT lead to a successful transformation of India's employment structure. Despite industrialization and Five-Year Plans, the employment structure remained overwhelmingly agrarian. The shift from agriculture to industry/services was slow and limited.
Reason (R) is TRUE: Over 65% of India's workforce remained dependent on agriculture throughout most of the 1951–1990 planning period. This stagnation in employment diversification was a major criticism of India's planning approach during this era.
Since A is false and R is true, Option 4 is correct.
SSC CPO Paper-1 2025 – 10 December 2025 Shift 2 · Cost, revenue and utility concepts

Q57. Which of the following best describes the concept of 'opportunity cost' in microeconomics?

  1. (a) The cost of producing goods in the future
  2. (b) The net gain from an investment
  3. (c) The value of leisure forgone
  4. (d) The value of the best alternative forgone
Answer & solution

Answer: (d) The value of the best alternative forgone

Correct Answer: The value of the best alternative forgone
Opportunity cost is a fundamental concept in economics. It refers to the value of the next best alternative that is given up when a decision is made. For example, if you choose to study instead of working, the opportunity cost is the income you could have earned.
Option 1: Incorrect. Future production cost is not opportunity cost.
Option 2: Incorrect. Net gain is profit, not opportunity cost.
Option 3: Incorrect. Leisure forgone is one specific example but not the complete definition.
SSC CPO Paper-1 2025 – 9 December 2025 Shift 1 · Market structures (perfect competition, monopoly, oligopoly)

Q58. Which of the following attributes is generally present in a perfectly competitive market?

  1. (a) Companies can enter or exit the market freely
  2. (b) Each company determines its own price based on the cost of production
  3. (c) A few companies monopolize the supply of products
  4. (d) Sellers provide slightly varying forms of the same thing
Answer & solution

Answer: (a) Companies can enter or exit the market freely

In a perfectly competitive market, one of the defining characteristics is free entry and exit of firms.
Other characteristics: Homogeneous (identical) products, price-taking behavior (firms accept market price), perfect information, and a large number of small buyers and sellers.
Option A (free entry and exit): CORRECT — this is a core feature of perfect competition.
Option B (firm sets own price based on cost): INCORRECT — in perfect competition, firms are price takers, not price setters. Individual firms have no market power to set prices.
Option C (one large seller): Describes a monopoly.
Option D (few companies monopolize): Describes an oligopoly.
SSC Stenographer 2025 – 8 December 2025 Shift 1 · Microeconomics and macroeconomics

Q59. Which of the following pairs is correctly matched?

  1. (a) Macroeconomics – Price of tea
  2. (b) Macroeconomics – National Income
  3. (c) Microeconomics – GDP
  4. (d) Microeconomics – Inflation rate
Answer & solution

Answer: (b) Macroeconomics – National Income

The correct match is Macroeconomics – National Income . Macroeconomics deals with the overall performance of the economy, including national income, GDP, inflation, and unemployment . On the other hand, microeconomics studies individual units like households, firms, and markets . For example, the price of tea is a microeconomic topic, not macroeconomic. Similarly, GDP and inflation are macroeconomic variables, not microeconomic. Hence, only option 2 is correct.
SSC Stenographer 2025 – 8 December 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q60. What trend is reflected by increasing share of urban people in non-manual tertiary occupations?

  1. (a) Spatial literacy inequality
  2. (b) Emerging service economy
  3. (c) De-industrialization
  4. (d) Gendered education access
Answer & solution

Answer: (b) Emerging service economy

The correct answer is Emerging service economy . An increasing share of urban population working in non-manual tertiary occupations (like IT, banking, education, healthcare, and other service-oriented jobs) reflects the structural transformation of the Indian economy. It shows a shift from agriculture and traditional industries to a service-dominated economy. This trend is strongly visible in metropolitan cities, where services such as finance, communication, transport, and IT generate major employment opportunities.
SSC Stenographer 2025 – 8 December 2025 Shift 3 · Economic systems (capitalist, socialist, mixed)

Q61. Which of the following reflects the "what to produce" decision in economics?

  1. (a) Choosing between capital and consumer goods
  2. (b) Increasing taxes to raise government revenue
  3. (c) Choosing method of production
  4. (d) Deciding on distribution of output
Answer & solution

Answer: (a) Choosing between capital and consumer goods

In economics, the problem of "what to produce" refers to the decision about which goods and services should be produced and in what quantities, given limited resources. The choice is often between capital goods (like machines, factories) that help future production, and consumer goods (like food, clothes) that directly satisfy present human wants. This reflects the allocation of scarce resources towards competing needs. Option 2 relates to fiscal policy, option 3 reflects the "how to produce" decision, and option 4 corresponds to the "for whom to produce" decision. Thus, option 1 is correct.
SSC Stenographer 2025 – 7 December 2025 Shift 1 · Economic systems (capitalist, socialist, mixed)

Q62. Which of the following best reflects the scarcity problem in economics?

  1. (a) Equal wants and equal resources
  2. (b) Limited wants and unlimited resources
  3. (c) Limited resources and unlimited wants
  4. (d) Unlimited wants and unlimited resources
Answer & solution

Answer: (c) Limited resources and unlimited wants

The central problem of economics is the problem of scarcity . Human wants are unlimited , while the resources available to satisfy them are limited . Because of this imbalance, individuals, societies, and governments must make choices about how best to allocate scarce resources to meet competing needs. If resources were unlimited, there would be no scarcity problem, and economics as a subject would not exist. Similarly, if human wants were limited, resources could easily fulfil them. But since wants keep expanding (new goods, better living standards, higher consumption), scarcity always persists. Hence, the best reflection of the scarcity problem is: Limited resources and unlimited wants (Option 3).
SSC Stenographer 2025 – 7 December 2025 Shift 2 · Cost, revenue and utility concepts

Q63. Which curve is typically U-shaped due to the law of variable proportions?

  1. (a) Total Fixed Cost Curve
  2. (b) Average Fixed Cost Curve
  3. (c) Average Variable Cost Curve
  4. (d) Marginal Revenue Curve
Answer & solution

Answer: (c) Average Variable Cost Curve

The Average Variable Cost (AVC) Curve is typically U-shaped due to the law of variable proportions . Initially, as variable inputs are added, efficiency increases and AVC falls. But after a certain point, diminishing returns set in, causing AVC to rise again, hence forming a U-shape . Other curves like the Total Fixed Cost remain constant, Average Fixed Cost declines continuously, and Marginal Revenue Curve is not related to variable proportions.
SSC Stenographer 2025 – 7 December 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q64. Which of the following sectors contributes the most to India’s GDP?

  1. (a) Manufacturing
  2. (b) Agriculture
  3. (c) Services
  4. (d) Mining
Answer & solution

Answer: (c) Services

The correct answer is option 3. The services sector contributes the most to India’s GDP. Over the past few decades, India has transitioned from being an agriculture-dominated economy to one where services such as information technology, telecommunications, finance, real estate, transport, trade, tourism, and healthcare play the dominant role. As of recent data, the services sector accounts for more than 50% of India’s GDP , while agriculture and industry (manufacturing, mining, etc.) contribute smaller shares. This reflects India’s strength in knowledge-based industries and its growing global presence in IT and outsourcing services.
SSC Stenographer 2025 – 7 December 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q65. What was the main occupation of the majority of the Indian population during the period immediately after independence (around 1947)?

  1. (a) Services
  2. (b) Agriculture
  3. (c) Information Technology
  4. (d) Manufacturing
Answer & solution

Answer: (b) Agriculture

The correct answer is Agriculture . At the time of independence in 1947, the Indian economy was predominantly agrarian. More than 70% of the Indian population was dependent on agriculture and allied activities for their livelihood. Industrial and service sectors were underdeveloped, and agriculture remained the backbone of the economy, providing employment to the majority of people.
SSC Stenographer 2025 – 7 December 2025 Shift 3 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q66. What does the ‘invisible hand’ concept, as proposed by Adam Smith, primarily signify?

  1. (a) Government control in markets
  2. (b) Market equilibrium achieved via self-interest
  3. (c) Control of monopolies
  4. (d) International trade regulation
Answer & solution

Answer: (b) Market equilibrium achieved via self-interest

The concept of the ‘Invisible Hand’ , introduced by Adam Smith in his work “The Wealth of Nations” (1776) , refers to the idea that when individuals pursue their own self-interest in economic activities (such as production, trade, or investment), they unintentionally contribute to the overall economic welfare of society. Without any central planning or direct government intervention, the forces of demand and supply guide the market towards a natural equilibrium —as if led by an “invisible hand.” This principle forms the foundation of classical economics and advocates for free markets where competition ensures efficiency. Why other options are wrong: (1) Government control in markets contradicts Adam Smith’s theory, which emphasized minimal intervention. (3) Control of monopolies is a later development in economic theory, not Smith’s focus. (4) International trade regulation is separate from the invisible hand concept, which deals with market functioning in general. Hence, the correct answer is Option 2: Market equilibrium via self-interest .
SSC Stenographer 2025 – 6 December 2025 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q67. What is the term for the shift of workers from agriculture to industry and services?

  1. (a) Industrialization
  2. (b) Urbanization
  3. (c) Occupational diversification
  4. (d) Economic transition
Answer & solution

Answer: (c) Occupational diversification

The correct answer is Occupational diversification . It refers to the process in which workers gradually shift from agriculture to industry and services. In a developing economy, the majority of the population is initially dependent on agriculture, but with economic growth, more employment opportunities arise in industry and services, leading to a diversification of occupations. Industrialization refers specifically to the growth of industries. Urbanization refers to the growth of towns and cities due to migration. Economic transition is a broader term that includes structural changes in the economy, not just occupation shift. Hence, only Option 3 is correct.
SSC Stenographer 2025 – 6 December 2025 Shift 1 · Cost, revenue and utility concepts

Q68. The Law of Diminishing Marginal Utility states that as a consumer consumes more and more units of a commodity:

  1. (a) Marginal utility remains constant.
  2. (b) Marginal utility derived from each additional unit decreases.
  3. (c) Total utility increases at an increasing rate.
  4. (d) Total utility decreases.
Answer & solution

Answer: (b) Marginal utility derived from each additional unit decreases.

The correct answer is Marginal utility derived from each additional unit decreases . The Law of Diminishing Marginal Utility in economics states that when a consumer keeps consuming additional units of the same good, the satisfaction (utility) gained from each extra unit decreases after a certain point. For example, eating one slice of pizza gives high satisfaction, the second gives slightly less, and by the fourth or fifth slice, the satisfaction may become very low or even negative.
SSC Stenographer 2025 – 6 December 2025 Shift 2 · Cost, revenue and utility concepts

Q69. The concept of "opportunity cost" in economics refers to:

  1. (a) The cost incurred in the past that cannot be recovered.
  2. (b) The monetary cost of the most expensive alternative.
  3. (c) The value of the next best alternative forgone when a choice is made.
  4. (d) The cost of all alternatives that are not chosen.
Answer & solution

Answer: (c) The value of the next best alternative forgone when a choice is made.

The concept of opportunity cost is central to economics and decision-making. It means the value of the next best alternative forgone when a choice is made . Since resources like time, money, and labour are limited, whenever we choose one option, we lose the potential benefit of the other alternative. For example, if a student spends time studying economics instead of mathematics, the opportunity cost is the knowledge of mathematics that could have been gained. This concept highlights the importance of rational choice and resource allocation.
SSC CHSL Tier-1 2025 – 28 November 2025 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q70. "This sector of economic activities involves processing of raw materials derived from primary sector into products for sale or consumption."
Which sector of the economy is being talked about in the information given above?

  1. (a) Secondary
  2. (b) Tertiary
  3. (c) Quaternary
  4. (d) Quinary
Answer & solution

Answer: (a) Secondary

The description refers to the Secondary sector of the economy. The secondary sector involves manufacturing and processing — converting raw materials (extracted by the primary sector like agriculture, mining) into finished goods (e.g., cotton to cloth, iron ore to steel, sugarcane to sugar).
Tertiary: service sector; Quaternary: knowledge/information-based activities; Quinary: top-level decision-making activities. Hence, Secondary is correct.
SSC CHSL Tier-1 2025 – 20 November 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q71. The extraction of oil from groundnut is an example of economic activity of which sector of economy?

  1. (a) Primary
  2. (b) Secondary
  3. (c) Quaternary
  4. (d) Quinary
Answer & solution

Answer: (b) Secondary

Correct Answer: Secondary
The extraction of oil from groundnut is an example of the Secondary sector of the economy. The secondary sector involves manufacturing and processing of raw materials into finished products. Extracting oil from groundnuts involves processing (crushing/pressing) the primary product (groundnut) to produce a refined product (groundnut oil). This is a manufacturing/processing activity.
Note: Growing groundnuts is a Primary sector activity, but processing them into oil is Secondary sector.
Why other options are wrong:
- Primary sector: Growing groundnuts is primary, but oil extraction (processing) is secondary.
- Quaternary sector: Involves knowledge-based activities like IT, research, education; not oil extraction.
- Quinary sector: Involves high-level decision-making; not oil extraction.
SSC CHSL Tier-1 2025 – 19 November 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q72. The _____ sector of an economy involves group of activities related with extraction of raw materials directly from nature.

  1. (a) Primary
  2. (b) Secondary
  3. (c) Tertiary
  4. (d) Quinary
Answer & solution

Answer: (a) Primary

Correct Answer: Primary
The Primary sector of an economy consists of activities directly related to the extraction and collection of natural resources. Examples include: agriculture, fishing, mining, forestry, animal husbandry, and quarrying. These activities involve working directly with nature to produce raw materials. In India, the primary sector contributes about 18-20% of GDP but employs around 45-50% of the workforce.
Why other options are wrong:
- Secondary sector: Involves manufacturing and processing raw materials into finished goods (e.g., steel plants, textile mills).
- Tertiary sector: Involves services like banking, education, healthcare, trade, and transport.
- Quinary sector: A modern concept involving high-level decision-making by top executives and government officials; not raw material extraction.
SSC CHSL Tier-1 2025 – 18 November 2025 Shift 3 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q73. In the context of public goods, what does "Non-rivalrous" stands for?

  1. (a) One person's use reduces another's use
  2. (b) One person's use doesn't reduce another's use
  3. (c) The good is a Giffen good
  4. (d) The good is only available for bureaucrats
Answer & solution

Answer: (b) One person's use doesn't reduce another's use

Correct Answer: One person's use doesn't reduce another's use (Option 2)
In economics, a public good has two key characteristics: Non-rivalrous and Non-excludable. 'Non-rivalrous' means that one person's consumption of the good does not reduce the quantity or quality available for others. For example, a street light, national defence , or public television broadcast — one person benefiting from them does not reduce others' ability to benefit.
'One person's use reduces another's use' describes a rivalrous (private) good. A Giffen good is an inferior good whose demand increases when its price increases — unrelated to non-rivalry. 'Available only for bureaucrats' is incorrect entirely.
SSC CHSL Tier-1 2025 – 14 November 2025 Shift 3 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q74. Which of the following statement is correct regarding Public Goods?

  1. (a) Clothes are an example of Public good.
  2. (b) It can be provided through the market mechanism.
  3. (c) It can be provided by the transactions between individual consumers and producers.
  4. (d) Generally, the benefits of public goods are available to all.
Answer & solution

Answer: (d) Generally, the benefits of public goods are available to all.

Correct Answer: Generally, the benefits of public goods are available to all.
Public goods have two key characteristics: (1) Non-excludable - benefits cannot be denied to anyone; (2) Non-rivalrous - consumption by one does not reduce availability for others. Therefore, the benefits of public goods are generally available to all citizens. Examples: national defence , street lights, public parks.
Why other options are wrong:
- Clothes are a Public good: Clothes are private goods (excludable and rivalrous).
- Provided through market mechanism: Public goods suffer from market failure and are typically provided by the government, not the market.
- Provided by transactions between consumers and producers: This describes private goods; public goods are generally government-provided.
SSC CHSL Tier-1 2025 – 13 November 2025 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q75. What was the share of industry in India's GDP in 1950-1951?

  1. (a) 5%
  2. (b) 7%
  3. (c) 13%
  4. (d) 27%
Answer & solution

Answer: (c) 13%

Correct Answer: 13%
At the time of independence and during 1950-51, the share of industry in India's GDP was approximately 13%. India's economy at that time was predominantly agrarian, with agriculture contributing around 55-56% of GDP. Industry (including manufacturing, mining, and construction) contributed about 13-15%, while the services sector made up the rest.
Why other options are wrong:
- 5%: Too low; even at independence, industry had a visible share.
- 7%: Below the actual figure for 1950-51.
- 27%: Much higher than the actual industrial share at that time.
SSC CHSL Tier-1 2025 – 12 November 2025 Shift 2 · Demand, supply and elasticity

Q76. In the context of Microeconomics, the graphical representation of the demand function is called the ________.

  1. (a) demand curve
  2. (b) goods curve
  3. (c) supply curve
  4. (d) seller curve
Answer & solution

Answer: (a) demand curve

In microeconomics, the demand function (relationship between price and quantity demanded) is graphically represented as the demand curve, which typically slopes downward from left to right, illustrating the inverse relationship between price and quantity demanded. The supply curve represents the supply function; the goods curve belongs to IS-LM analysis; 'seller curve' is not a standard economic term.
SSC CHSL Tier-1 2025 – 12 November 2025 Shift 2 · Demand, supply and elasticity

Q77. In the context of Microeconomics, the graphical representation of the demand function is called the _____.

  1. (a) demand curve
  2. (b) goods curve
  3. (c) supply curve
  4. (d) seller curve
Answer & solution

Answer: (a) demand curve

Correct Answer: Demand curve
In Microeconomics, the demand function shows the relationship between the price of a good and the quantity demanded. When this function is plotted on a graph (price on Y-axis, quantity on X-axis), it is called the Demand Curve. It typically slopes downward from left to right, following the Law of Demand.
Why other options are wrong:
- Goods curve: Not a standard term in economics.
- Supply curve: Represents the supply function, not the demand function.
- Seller curve: Not a recognised economic concept.
SSC CGL Tier-1 2025 – 14 October 2025 Shift 2 · Cost, revenue and utility concepts

Q78. Which of the following represents the 'break-even point' for a firm?

  1. (a) Where marginal revenue equals marginal cost
  2. (b) Where total revenue equals total cost
  3. (c) Where total revenue exceeds total cost
  4. (d) Where marginal cost is minimized
Answer & solution

Answer: (b) Where total revenue equals total cost

Break-even point is where Total Revenue = Total Cost, meaning neither profit nor loss.
MR = MC is the profit-maximisation condition, not break-even.
TR > TC means profit.
Minimising MC is irrelevant to break-even.
Answer: Option 2
SSC CGL Tier-1 2025 – 22 September 2025 Shift 1 · Sectors of the economy (primary, secondary, tertiary)

Q79. Which statement best reflects the failure of structural transformation in Indian agriculture between 1950-1990?

  1. (a) Agricultural GDP doubled
  2. (b) Agricultural workforce declined rapidly
  3. (c) Industrial sector absorbed excess labour
  4. (d) 65% of population remained in agriculture
Answer & solution

Answer: (d) 65% of population remained in agriculture

Structural transformation means a shift of workforce from agriculture to industry/services.
Its failure is shown by the fact that even by 1990 around 65% of the population still depended on agriculture.
The other options describe success or did not happen.
Hence the answer is '65% of population remained in agriculture'.
SSC CGL Tier-1 2025 – 20 September 2025 Shift 1 · Cost, revenue and utility concepts

Q80. Which of the following best defines the concept of 'opportunity cost'?

  1. (a) The cost of production
  2. (b) The next best alternative foregone
  3. (c) The cost of labor
  4. (d) The total money spent
Answer & solution

Answer: (b) The next best alternative foregone

- Opportunity cost is the value of the next best alternative that is given up when making a choice.
- It represents the benefit foregone by choosing one option over the next best available option.
SSC CGL Tier-1 2025 – 20 September 2025 Shift 2 · Microeconomics and macroeconomics

Q81. Read the below statements marked as Assertion (A) and Reason (R). Mark the correct option:
Assertion(A): In macroeconomics, treating a single commodity as representative of all goods allows simplification of aggregate analysis.
Reason(R): This is because all individual goods always behave identically under inflationary trends.

  1. (a) Both A and R are true, and R is the correct explanation of A
  2. (b) Both A and R are true, but R is not the correct explanation of A
  3. (c) A is true, but R is false.
  4. (d) A is false, but R is true.
Answer & solution

Answer: (c) A is true, but R is false.

Assertion A is true — macroeconomics uses a 'representative good' as an analytical simplification.
Reason R is false — individual goods do NOT behave identically under inflation; relative prices vary widely.
Hence, A is true, R is false.
SSC CGL Tier-1 2025 – 19 September 2025 Shift 1 · Economic systems (capitalist, socialist, mixed)

Q82. What is meant by 'mixed economy'?

  1. (a) Only private sector
  2. (b) Only public sector
  3. (c) Both private and public sectors
  4. (d) Only foreign companies
Answer & solution

Answer: (c) Both private and public sectors

A mixed economy combines features of capitalism and socialism, allowing both private and public sectors to operate together.
India is a classic example of a mixed economy.
Hence the answer isoption 3.
SSC CGL Tier-1 2025 – 19 September 2025 Shift 3 · Cost, revenue and utility concepts

Q83. Which curve shows all combinations of two goods that give a consumer equal satisfaction?

  1. (a) Indifference curve
  2. (b) Budget constraint
  3. (c) Isoquant curve
  4. (d) Marginal cost curve
Answer & solution

Answer: (a) Indifference curve

An Indifference Curve represents all combinations of two goods that give a consumer the same level of satisfaction (utility).
Budget constraint shows the limit of purchasing power; Isoquant relates to production; Marginal cost curve relates to costs of production.
Hence the correct answer is the Indifference Curve.
SSC CGL Tier-1 2025 – 18 September 2025 Shift 2 · Economic systems (capitalist, socialist, mixed)

Q84. Which of the following is a key economic role of the government in both developed and developing countries?

  1. (a) Only regulating private firms
  2. (b) Only promoting exports
  3. (c) Framing laws and delivering justice
  4. (d) Engaging in currency exchange
Answer & solution

Answer: (c) Framing laws and delivering justice

Both developed and developing governments must frame laws and maintain a justice system for markets to function.
Regulation and export promotion are partial roles, not universal economic roles.
Currency exchange is handled mainly by central banks/private agents.
Henceoption 3 is correct.
SSC CGL Tier-1 2025 – 17 September 2025 Shift 1 · Cost, revenue and utility concepts

Q85. .Consider the following statements and choose the correct option:
Statement1: The Production Possibility Frontier (PPF) shows the trade-offs and opportunity costs faced by an economy.
Statement2: The PPF is used to estimate the government's total revenue and expenditure.

  1. (a) Only Statement 1 is correct
  2. (b) Only Statement 2 is correct
  3. (c) Both Statement 1 and Statement 2 are correct
  4. (d) Neither Statement 1 nor Statement 2 is correct
Answer & solution

Answer: (a) Only Statement 1 is correct

The PPF illustrates the maximum output combinations and shows trade-offs and opportunity costs — Statement 1 is correct.
It is not a tool for estimating government revenue or expenditure (that is done through budgeting and fiscal analysis) — Statement 2 is incorrect.
Hence only Statement 1 is correct.
SSC CGL Tier-1 2025 – 17 September 2025 Shift 3 · Demand, supply and elasticity

Q86. If the price of a product goes up by 10% and, as a result, the quantity demanded falls by 20%, how would you classify the demand?

  1. (a) Demand is elastic (elasticity greater than 1)
  2. (b) Demand is inelastic (elasticity less than 1)
  3. (c) Demand is unitary elastic (elasticity equals 1)
  4. (d) Demand is perfectly elastic (elasticity is infinite)
Answer & solution

Answer: (a) Demand is elastic (elasticity greater than 1)

Price elasticity of demand = |% change in quantity / % change in price| = 20/10 = 2.
Since elasticity > 1, demand is elastic.
Hence the correct option is 'Demand is elastic'.
RRB NTPC UG CBT-1 2024-25 – 9 September 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q87. Tertiary activities are also known as the:

  1. (a) industrial sector
  2. (b) health sector
  3. (c) service sector
  4. (d) agricultural sector
Answer & solution

Answer: (c) service sector

RRB NTPC UG CBT-1 2024-25 – 2 September 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q88. How does the growth of tertiary activities reflect economic development in India?

  1. (a) It reflects improved services, urban growth and rising demand.
  2. (b) It shows a shift back to farm-based occupations.
  3. (c) It highlights a fall in manufacturing employment.
  4. (d) It indicates a slowdown in overall income generation.
Answer & solution

Answer: (a) It reflects improved services, urban growth and rising demand.

SSC Selection Post 2025 (Phase XIII) – 29 August 2025 Shift 2 · Factors of production and returns

Q89. Suppose a firm increases all inputs by 50% and its output increases by 75%. What type of return to scale is this?

  1. (a) Constant Returns to Scale
  2. (b) Increasing Returns to Scale
  3. (c) Decreasing Returns to Scale
  4. (d) Negative Returns
Answer & solution

Answer: (b) Increasing Returns to Scale

Correct Answer: Option 2 – Increasing Returns to Scale
Returns to Scale measures how output changes when all inputs are increased proportionally. Here: inputs increased by 50% (multiplied by 1.5); output increased by 75% (multiplied by 1.75). Since output (75%) increased MORE than inputs (50%), this is Increasing Returns to Scale (IRS) — also called economies of scale. The firm is becoming more productive as it scales up.
Types of Returns to Scale:
Constant Returns to Scale (CRS): Output increases by same proportion as inputs (50% inputs → 50% output).
Increasing Returns to Scale (IRS): Output increases by MORE than the proportional increase in inputs (50% inputs → more than 50% output). Here: 75% > 50% → IRS.
Decreasing Returns to Scale (DRS): Output increases by LESS than the proportional increase in inputs (50% inputs → less than 50% output).
Option 4 (Negative Returns): Output actually falls when inputs increase — an extreme scenario not applicable here.
RRB NTPC UG CBT-1 2024-25 – 29 August 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q90. What are quaternary activities mainly associated with?

  1. (a) Agriculture
  2. (b) Information and research
  3. (c) Transportation
  4. (d) Industrial work
Answer & solution

Answer: (b) Information and research

RRB NTPC UG CBT-1 2024-25 – 29 August 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q91. Tourism in India contributes to which type of economic activity?

  1. (a) Tertiary
  2. (b) Quinary
  3. (c) Primary
  4. (d) Secondary
Answer & solution

Answer: (a) Tertiary

RRB NTPC UG CBT-1 2024-25 – 20 August 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q92. Which of the following sectors includes banking, communication and transport?

  1. (a) Primary
  2. (b) Quaternary
  3. (c) Secondary
  4. (d) Tertiary
Answer & solution

Answer: (d) Tertiary

RRB NTPC UG CBT-1 2024-25 – 14 August 2025 Shift 3 · Sectors of the economy (primary, secondary, tertiary)

Q93. Which of the following is an example of a tertiary activity?

  1. (a) Manufacturing
  2. (b) Teaching
  3. (c) Mining
  4. (d) Farming
Answer & solution

Answer: (b) Teaching

RRB NTPC UG CBT-1 2024-25 – 13 August 2025 Shift 2 · Sectors of the economy (primary, secondary, tertiary)

Q94. Tourism is classified as a tertiary activity because it involves:

  1. (a) production of goods
  2. (b) providing services to people
  3. (c) extracting natural resources
  4. (d) selling of machinery
Answer & solution

Answer: (b) providing services to people

RRB NTPC UG CBT-1 2024-25 – 12 August 2025 Shift 2 · Economic systems (capitalist, socialist, mixed)

Q95. A mixed economy involves both private and public ownership. What was a distinctive feature of India's mixed economy model?

  1. (a) Focus on consumerism
  2. (b) Full privatisation
  3. (c) Absence of licensing
  4. (d) Public sector dominance in core industries
Answer & solution

Answer: (d) Public sector dominance in core industries

SSC Selection Post 2025 (Phase XIII) – 2 August 2025 Shift 2 · Cost, revenue and utility concepts

Q96. Name the principle that states that as production increases, the cost per unit decreases?

  1. (a) Law of diminishing returns
  2. (b) Economies of scale
  3. (c) Opportunity cost
  4. (d) Marginal utility
Answer & solution

Answer: (b) Economies of scale

Correct Answer: Option 2 – Economies of scale
Economies of scale refer to the cost advantages that a firm gains as it increases its level of output. As production increases, the average (per unit) cost decreases because fixed costs are spread over more units and operational efficiencies are achieved.
Option 1 (Law of diminishing returns): States that as more of one variable input is added (with other inputs fixed), the incremental output eventually decreases. This is about output, not cost reduction with scale.
Option 3 (Opportunity cost): The value of the best alternative foregone when making a decision; not related to per-unit cost decreasing.
Option 4 (Marginal utility): The additional satisfaction gained from consuming one more unit of a good; an economics/consumer behaviour concept unrelated to production costs.
SSC Selection Post 2025 (Phase XIII) – 2 August 2025 Shift 3 · Cost, revenue and utility concepts

Q97. Iso-utility curve is another name for ________ curve.

  1. (a) Demand
  2. (b) Supply
  3. (c) Phillips
  4. (d) Indifference
Answer & solution

Answer: (d) Indifference

Correct Answer: Option 4 – Indifference
An iso-utility curve is another name for an indifference curve. Both terms refer to the graphical representation of all combinations of two goods that give a consumer the same level of total utility (satisfaction). 'Iso' means equal, and 'utility' refers to satisfaction, so iso-utility = equal utility = indifference.
Option 1 (Demand): A demand curve shows the relationship between price and quantity demanded; unrelated to iso-utility.
Option 2 (Supply): A supply curve shows the relationship between price and quantity supplied.
Option 3 (Phillips): The Phillips Curve shows the inverse relationship between unemployment and inflation; unrelated to consumer utility.
SSC Selection Post 2025 (Phase XIII) – 31 July 2025 Shift 3 · Economic laws and terms (Gresham's, Say's, Engel's, etc.)

Q98. Which of the following is another name for the Cambridge approach to quantity theory?

  1. (a) Cash balance approach
  2. (b) Fisher's theory
  3. (c) Keynesian approach
  4. (d) Classical approach
Answer & solution

Answer: (a) Cash balance approach

Correct Answer: Option 1 – Cash balance approach
The Cambridge approach to the Quantity Theory of Money — developed by economists at Cambridge University (Alfred Marshall, A.C. Pigou, John Maynard Keynes) — is also known as the Cash Balance approach. Unlike Fisher's transaction approach (MV = PT), the Cambridge approach focuses on money as a store of value and the proportion of income people wish to hold as cash (Cambridge equation: M = kPY , where k is the proportion of nominal income held as money). The key difference is that the Cambridge approach emphasises the demand for money rather than the velocity of circulation.
Option 2 (Fisher's theory): Irving Fisher developed the Transaction Approach to the Quantity Theory (MV = PT) — this is a separate, different approach from Cambridge's.
Option 3 (Keynesian approach): While Keynes was associated with Cambridge, the Keynesian approach refers to his later, broader macroeconomic theory (IS-LM, multiplier, liquidity preference) — not the Cambridge quantity theory specifically.
Option 4 (Classical approach): A broader term for pre-Keynesian economics — not specifically the Cambridge quantity theory.
SSC Selection Post 2025 (Phase XIII) – 30 July 2025 Shift 2 · Demand, supply and elasticity

Q99. Consider the following statements about market equilibrium:
Statement I: In equilibrium, the quantity that all firms wish to sell equals the quantity all consumers want to buy.
Statement II: Excess supply exists when the market demand is greater than the market supply.
Which of the above statements is/are correct?

  1. (a) Only Statement I is correct
  2. (b) Only Statement II is correct
  3. (c) Both statements are correct
  4. (d) Neither statement is correct
Answer & solution

Answer: (a) Only Statement I is correct

Correct Answer: Option 1 – Only Statement I is correct
Statement I (TRUE): Market equilibrium is defined as the condition where quantity supplied equals quantity demanded — i.e., the quantity all firms (suppliers) wish to sell equals the quantity all consumers want to buy at the equilibrium price. This is the fundamental definition of market equilibrium, where there is no tendency for price or quantity to change.
Statement II (FALSE): Excess supply (surplus) occurs when quantity supplied is GREATER than quantity demanded — not the other way around. The statement has it reversed. Excess demand (shortage) occurs when market demand is greater than market supply. Statement II confuses excess supply with excess demand.
SSC Selection Post 2025 (Phase XIII) – 29 July 2025 Shift 2 · Cost, revenue and utility concepts

Q100. Which of the following best explains the Law of Diminishing Marginal Utility?

  1. (a) Utility increases at an increasing rate
  2. (b) Total utility decreases with more consumption
  3. (c) Marginal utility declines with each additional unit consumed
  4. (d) Marginal Utility increases with Total Utility
Answer & solution

Answer: (c) Marginal utility declines with each additional unit consumed

Correct Answer: Option 3 – Marginal utility declines with each additional unit consumed
The Law of Diminishing Marginal Utility (Gossen's First Law) states that as a consumer consumes more units of a commodity, the additional satisfaction (marginal utility) derived from each successive unit decreases, keeping all other factors constant. For example: the first glass of water when thirsty gives high satisfaction, the second less, the third even less. Total utility keeps rising (but at decreasing rate) until MU reaches zero (satiation point). Beyond that, MU becomes negative (disutility).
Option 1 (Utility increases at an increasing rate): Describes increasing marginal utility — the opposite of the law of diminishing marginal utility.
Option 2 (Total utility decreases with more consumption): Incorrect. Total utility generally increases with consumption (at a decreasing rate) until the satiation point. It is MARGINAL utility that decreases, not total utility (initially).
Option 4 (Marginal Utility increases with Total Utility): Incorrect. MU and TU have an inverse relationship — as TU rises at a decreasing rate, MU falls. When TU is maximum, MU = 0.
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