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राष्ट्रीय आय से संबंधित समुच्चय—शुद्ध राष्ट्रीय उत्पाद (NNP)
This Class 12 Economics topic, part of the chapter “National Income and Related Aggregates,” explains Net National Product (NNP) as the value of final goods and services produced by a country’s normal residents after deducting depreciation. Students learn how NNP is related to Gross National Product (GNP), distinguish NNP at market price from NNP at factor cost, and understand the role of net indirect taxes and depreciation in national income calculations. The topic also helps them interpret NNP as an indicator of economic activity and income.
Practice questions
01 If net indirect taxes (NIT) are zero, what will be the relationship between NNP at market price (NNP_MP) and NNP at factor cost (NNP_FC)?
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Answer and explanation
Correct answer: A. Both will be equal
Explanation: The conversion from factor cost to market price is expressed as NNP_MP = NNP_FC + net indirect taxes. When NIT is zero, nothing is added to the factor-cost measure. Consequently, NNP_MP and NNP_FC have the same value. The result follows from the price-basis relationship, not from any assumption about the size of national income.
02 When does factor income received from abroad increase national income measured by NNP?
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Answer and explanation
Correct answer: A. When factor income received from abroad exceeds factor income paid to foreigners
Explanation: The relevant adjustment is net factor income from abroad (NFIA): NFIA = factor income received from abroad − factor income paid to foreigners. If receipts exceed payments, NFIA is positive. Adding positive NFIA converts a domestic aggregate into a national aggregate and raises national income measured through NNP.
03 In national income accounting, which aggregate measures the net value of final goods and services produced by normal residents in one year at market prices?
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Answer and explanation
Correct answer: C. Net National Product at Market Price
Explanation: The word ‘net’ means depreciation has been deducted, and the word ‘national’ means production by normal residents, including the relevant foreign factor-income adjustment. Since the valuation is at market prices, the correct aggregate is NNP at market price. GDP is gross and domestic, while NDP is net but domestic.
04 If GDP at factor cost (GDP_FC) is ₹1,850 crore, NFIA is ₹70 crore, and depreciation is ₹220 crore, what will be NNP at factor cost (NNP_FC)?
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Answer and explanation
Correct answer: A. ₹1,700 crore
Explanation: To convert GDP at factor cost into NNP at factor cost, first add net factor income from abroad to obtain GNP_FC, and then subtract depreciation to obtain NNP_FC. Thus, NNP_FC = GDP_FC + NFIA − depreciation = ₹1,850 crore + ₹70 crore − ₹220 crore = ₹1,700 crore. Therefore, option A is correct.
05 Why can unsold final goods be considered inventory investment in NNP?
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Answer and explanation
Correct answer: A. Because they are part of current year's production
Explanation: Unsold final goods have been produced during the current accounting year even though buyers have not purchased them yet. In national income accounting, the producer is treated as having purchased these goods for stock, so their value is recorded as inventory investment. This prevents current production from being omitted from NNP.
06 Why is illegal income generally considered a problem in NNP calculation?
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Answer and explanation
Correct answer: A. Because it is not properly recorded in official records
Explanation: Illegal activities may generate real income and production, but participants often conceal them to avoid legal action or taxation. Consequently, surveys, tax records, and official accounts may fail to capture their value accurately. This under-reporting makes measured NNP lower than the actual income generated in the economy.
07 Why is the unpaid household service of a homemaker generally not included in NNP?
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Answer and explanation
Correct answer: A. Because it generally has no recorded market monetary value
Explanation: A homemaker's cooking, cleaning, childcare, and similar services provide genuine economic benefits, but they are usually produced and consumed within the household without a market transaction. Since national accounts mainly use observable market prices or reliable imputations, these unpaid services are generally excluded from measured NNP, limiting its welfare coverage.
08 If NNP at factor cost (NNP_FC) is ₹1,325 crore and NNP at market price (NNP_MP) is ₹1,295 crore, what will be the value of Net Indirect Taxes (NIT)?
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Answer and explanation
Correct answer: B. Negative ₹30 crore
Explanation: The governing conversion is NNP_MP = NNP_FC + NIT, so NIT = NNP_MP − NNP_FC. Substitution gives NIT = ₹1,295 − ₹1,325 = −₹30 crore. Thus, option B is correct. The negative sign indicates that subsidies exceed indirect taxes by ₹30 crore. Option A reverses the subtraction, while C and D do not follow the relationship.
09 What type of economic information is obtained by deducting depreciation in NNP?
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Answer and explanation
Correct answer: A. Net output available after capital wear and tear
Explanation: Depreciation measures the estimated loss of value or productive capacity of fixed capital used during production. Subtracting it from a gross measure gives a net measure, showing the output remaining after allowing for replacement of worn-out machines, buildings, and equipment. Thus NNP gives more meaningful information about net output than GNP.
10 In the context of NNP, who may be included among normal residents?
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Answer and explanation
Correct answer: A. Residents whose centre of economic interest is linked with the country
Explanation: NNP is based on the income earned by a country's normal residents, regardless of whether they produce inside or outside the domestic territory. A normal resident is an individual or institution whose centre of economic interest is connected with the country for a significant period. Short-term tourists and one-day visitors are generally excluded.
11 Which option shows the correct change from GNP at factor cost to NNP at market price?
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Answer and explanation
Correct answer: A. Deduct depreciation and add NIT
Explanation: GNP is already a national measure, so no NFIA adjustment is required. To change GNP to NNP, deduct depreciation: GNP − depreciation = NNP. To change the factor-cost valuation to market-price valuation, add net indirect taxes. Therefore, NNP at MP = GNP at FC − depreciation + NIT, making option A correct.
12 To calculate per capita NNP, NNP is divided by what?
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Answer and explanation
Correct answer: A. Population of the country
Explanation: Per capita NNP means NNP earned or produced on average per person. Therefore, total NNP is divided by the total population of the country: Per capita NNP = NNP ÷ Population. Depreciation, NIT and NFIA are adjustment items used in converting national income aggregates; they are not the denominator for a per-capita measure.
13 If NNP at factor cost (NNP₍FC₎) is ₹2,400 crore and the population is 30 crore, what is the per capita NNP₍FC₎?
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Answer and explanation
Correct answer: A. ₹80
Explanation: Per capita NNP is calculated by dividing total NNP by the total population. Therefore, per capita NNP₍FC₎ = ₹2,400 crore ÷ 30 crore = ₹80. The unit ‘crore’ appears in both the numerator and denominator and cancels out, leaving the result in rupees per person. Thus, each person’s share of NNP₍FC₎ is ₹80.
14 Why is the trading of old shares in the stock market not added to the calculation of NNP?
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Answer and explanation
Correct answer: A. Because it is not current production of goods and services
Explanation: NNP measures the value of currently produced final goods and services after allowing for depreciation. Buying and selling an old share only transfers ownership of an already existing financial asset; it does not represent new production during the current period. Therefore, the transaction price of the old share is excluded from NNP, although a broker’s current service fee may be counted.
15 While solving an NNP numerical, what is useful to identify first?
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Answer and explanation
Correct answer: A. Whether the given aggregate is domestic or national and gross or net
Explanation: The first step is to identify exactly what the given aggregate represents: domestic or national, gross or net, and market price or factor cost. This prevents sign and conversion errors. After that, apply the appropriate adjustments: add or subtract NFIA for domestic-national conversion, subtract depreciation for gross-net conversion, and adjust NIT for market price-factor cost conversion.
16 If NDP at factor cost (NDP_FC) is ₹1,100 crore and NFIA is ₹70 crore, what is NNP at factor cost (NNP_FC)?
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Answer and explanation
Correct answer: C. ₹1,170 करोड़
Explanation: NNP at factor cost is obtained by converting a domestic aggregate into a national aggregate. The required formula is NNP_FC = NDP_FC + NFIA. Therefore, NNP_FC = ₹1,100 crore + ₹70 crore = ₹1,170 crore. Positive NFIA means residents receive more factor income from abroad than foreigners earn domestically, so it is added.
17 If NNP at factor cost (NNP_FC) is called national income, what must be done to obtain national income from NNP at market price (NNP_MP)?
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Answer and explanation
Correct answer: A. शुद्ध अप्रत्यक्ष कर (NIT) घटाना होगा
Explanation: National income is defined as NNP at factor cost. To convert NNP at market price into NNP at factor cost, subtract net indirect taxes, where NIT equals indirect taxes minus subsidies. Thus, NNP_FC = NNP_MP − NIT. NFIA and depreciation are not adjusted here because the aggregate is already national and net.
18 Which statement about NNP at factor cost (NNP_FC) is most correct?
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Answer and explanation
Correct answer: A. यह सामान्य निवासियों की शुद्ध साधन आय का योग है
Explanation: NNP at factor cost is the conventional measure of national income. It represents the net factor income generated by the normal residents of a country during an accounting period, after allowing for depreciation and using factor cost valuation. It is not merely domestic output, GDP at market price, or transfer payments, because those concepts differ in scope or valuation.
19 Which adjustment is needed to derive NNP at factor cost (NNP_FC) from GNP at factor cost (GNP_FC)?
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Answer and explanation
Correct answer: A. केवल मूल्यह्रास घटाना
Explanation: GNP at factor cost is already a national aggregate because it includes NFIA, and it is already valued at factor cost, so no NIT adjustment is required. The only difference between gross and net measures is consumption of fixed capital, or depreciation. Therefore, NNP_FC = GNP_FC − depreciation, making option A correct.
20 If GNP at factor cost is ₹1,300 crore and NNP at factor cost is ₹1,180 crore, what is consumption of fixed capital?
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Answer and explanation
Correct answer: A. ₹120 करोड़
Explanation: Consumption of fixed capital is another name for depreciation. The difference between a gross aggregate and its corresponding net aggregate equals depreciation. Therefore, consumption of fixed capital = GNP_FC − NNP_FC = ₹1,300 crore − ₹1,180 crore = ₹120 crore. Since both values are national and at factor cost, no other adjustment is required.
21 If domestic product is greater than national product, which conclusion about NFIA is correct?
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Answer and explanation
Correct answer: A. NFIA ऋणात्मक है
Explanation: The relationship between comparable domestic and national aggregates is National Product = Domestic Product + NFIA. If domestic product is greater than national product, rearranging gives NFIA = National Product − Domestic Product, which must be negative. A negative NFIA means residents pay more factor income to the rest of the world than they receive from abroad.
22 If NNP at market price equals NDP at market price, which conclusion is correct?
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Answer and explanation
Correct answer: A. NFIA शून्य है
Explanation: At the same price basis and with both aggregates measured net, the difference between a national and a domestic aggregate is NFIA. The identity is NNP_MP = NDP_MP + NFIA. If NNP_MP equals NDP_MP, their difference is zero, so NFIA must be zero. This does not imply that NIT, depreciation, or subsidies are zero.
23 Which option correctly shows the reverse conversion from NNP at market price (NNP_MP) to GNP at market price (GNP_MP)?
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Answer and explanation
Correct answer: A. मूल्यह्रास जोड़ना
Explanation: The difference between a net and a gross measure is depreciation, also called consumption of fixed capital. To move in the reverse direction from NNP to GNP, add depreciation: GNP_MP = NNP_MP + depreciation. NFIA changes domestic and national status, while NIT changes market price and factor cost; neither is relevant because both given aggregates are already national and at market price.
24 If NNP at market price (NNP_MP) is ₹1450 crore and depreciation is ₹90 crore, what is GNP at market price (GNP_MP)?
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Answer and explanation
Correct answer: C. ₹1540 crore
Explanation: NNP is obtained after deducting depreciation from GNP. Therefore, to convert a net aggregate into its corresponding gross aggregate, depreciation must be added: GNP_MP = NNP_MP + depreciation = 1450 + 90 = ₹1540 crore. The calculation remains at market price because no tax or subsidy adjustment is required.
25 Why is NNP at factor cost (NNP_FC) measured at factor cost?
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Answer and explanation
Correct answer: A. Because it shows the actual factor income received by factors of production
Explanation: Factor cost means the payments made to the factors of production—such as wages to labour, rent to land, interest to capital and profit to entrepreneurship. NNP_FC therefore represents the net factor income generated by the normal production activity of a country after depreciation has been deducted. Taxes and subsidies are not the focus of this valuation.
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