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Board Paper of Class 12-Humanities 2015 Economics (SET 3) - Solutions

General Instructions:
(i) All questions in both sections are compulsory. However, there is internal choice in some questions.
(ii) Marks for questions are indicated against each question.
(iii) Question No.1-3 and 15-19 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence.
(iv) Question No.4-8 and 20-22 are short answer questions carrying 3 marks each. Answers to them should not normally exceed 60 words each.
(v) Question No.9-10 and 23-25 are also short answer questions carrying 4 marks each. Answers to them should not normally exceed 70 words each.
(vi) Question No.11-14 and 26-29 are long answer questions carrying 6 marks each. Answers to them should not normally exceed 100 words each.
(vii) Answers should be brief and to the point and the above word limit be adhered to as far as possible.

  • Question 1
    When income of the consumer falls the impact on price-demand curve of an inferior good is : (choose the correct alternative)
    (a) Shifts to the right.
    (b) Shifts of the left.
    (c) There is upward movement along the curve.
    (d) There is downward movement along the curve. VIEW SOLUTION

  • Question 2
    If Marginal Rate of Substitution is constant throughout, the Indifference curve will be : (choose the correct alternative)
    (a) Parallel to the x-axis.
    (b) Downward sloping concave.
    (c) Downward sloping convex.
    (d) Downward sloping straight line. VIEW SOLUTION

  • Question 4
    What will be the impact of recently launched 'Clean India Mission' (Swachh Bharat Mission) on the Production Possibilities curve of the economy and why?


    What will likely be the impact of large scale outflow of foreign capital on Production Possibilities curve of the economy and why? VIEW SOLUTION

  • Question 5
    Explain the feature 'interdependence of firms' in an oligopoly market. VIEW SOLUTION

  • Question 6
    Explain the effects of 'maximum price ceiling' on the market of a good'? Use diagram. VIEW SOLUTION

  • Question 7
    The measure of price elasticity of demand of a normal good carries minus sign while price elasticity of supply carries plus sign. Explain why? VIEW SOLUTION

  • Question 8

    Giving reason comment on the shape of the Production Possibilities curve based on the following schedule :

    Good X
    Good Y
    0 20
    1 18
    2 14
    3 8
    4 0

  • Question 9
    A consumer spends Rs. 100 on a good priced at Rs. 4 per unit. When price falls by 50 per cent, the consumer continues to spend Rs. 100 on the good. Calculate price elasticity of demand by percentage method. VIEW SOLUTION

  • Question 10
    Define cost. State the relation between marginal cost and average variable cost.


    Define revenue. State the relation between marginal revenue and average revenue. VIEW SOLUTION

  • Question 11
    State the different phases of changes in Total Product and Marginal Product in the Law of Variable Proportions. Also show the same in a single diagram. VIEW SOLUTION

  • Question 12
    Market for a good is in equilibrium. Supply of the good 'increases'. Explain the chain of effects of this change. VIEW SOLUTION

  • Question 13
    A consumer consumes only two goods X and Y both priced at Rs. 3 per unit. If the consumer chooses a combination of these two goods with Marginal Rate of Substitution equal to 3, is the consumer in equilibrium? Give reasons. What will a rational consumer do in this situation? Explain.

    A consumer consumes only two goods X and Y whose prices are Rs. 4 and Rs. 5 per unit respectively. If the consumer chooses a combination of the two goods with marginal utility of X equal to 5 and that of Y equal to 4, is the consumer in equilibrium? Give reason. What will a rational consumer do in this situation? Use utility analysis. VIEW SOLUTION

  • Question 14
    Why is the equality between marginal cost and marginal revenue necessary for a firm to be in equilibrium? Is it sufficient to ensure equilibrium? Explain. VIEW SOLUTION

  • Question 15
    Other things remaining unchanged, when in a country the price of foreign currency rises, national income is : (choose the correct alternative)

    (a) Likely to rise
    (b) Likely to fall
    (c) Likely to rise and fall both
    (d) Not affected VIEW SOLUTION

  • Question 16
    Borrowing in government budget is : (choose the correct alternative)

    (a) Revenue deficit
    (b) Fiscal deficit
    (c) Primary deficit
    (d) Deficit in taxes VIEW SOLUTION

  • Question 17
    The non-tax revenue in the following is : (choose the correct alternative)
    (a) Export duty
    (b) Import duty
    (c) Dividends
    (d) Excise VIEW SOLUTION

  • Question 18
    What is 'aggregate supply' in macroeconomics? VIEW SOLUTION

  • Question 19
    The value of multiplier is : (choose the correct alternative)
    (a) 1MPC

    (b) 1MPS

    (c) 11-MPS


  • Question 20
    Name the broad categories of transactions recorded in the 'capital account' of the Balance of Payments Accounts.

    Name the broad categories of transactions recorded in the 'current account' of the Balance of Payments Accounts. VIEW SOLUTION

  • Question 21
    Where will sale of machinery to abroad be recorded in the Balance of Payments Accounts? Give reasons. VIEW SOLUTION

  • Question 22
    If the Real GDP is Rs. 300 and Nominal GDP is Rs. 330, calculate Price Index (base = 100). VIEW SOLUTION

  • Question 23
    Government of India has recently launched 'Jan-Dhan Yojna' aimed at every household in the country to have at least one bank account. Explain how deposits made under the plan are going to affect national income of the country. VIEW SOLUTION

  • Question 24
    An economy is in equilibrium. Find Marginal Propensity to Consume from the following :
    National income = 2000
    Autonomous consumption = 400
    Investment expenditure = 200

  • Question 25
    Explain the 'bank of issue' function of the central bank.


    Explain 'Government's Bank' function of central bank. VIEW SOLUTION

  • Question 26
    Explain the concept of Inflationary Gap. Explain the role of Repo Rate in reducing this gap.


    Explain the concept of Deflationary Gap and the role of 'Open Market Operations' in reducing this gap. VIEW SOLUTION

  • Question 27
    Explain the role the government can play through the budget in influencing allocation of resources. VIEW SOLUTION

  • Question 28
    Giving reason explain how should the following be treated in estimation of national income:
    (i) Expenditure by a firm on payment of fees to a chartered accountant
    (ii) Payment of corporate tax by a firm
    (iii) Purchase of refrigerator by a firm for own use VIEW SOLUTION

  • Question 29
    Calculate 'Net Domestic Product at Factor Cost' and 'Gross National Disposable Income':
        (Rs. crores)
    (i) Net current transfers to abroad 15
    (ii) Private final consumption expenditure 800
    (iii) Net imports (−)20
    (iv) Net domestic capital formation 100
    (v) Net factor income to abroad 10
    (vi) Depreciation 50
    (vii) Change in stocks 17
    (viii) Net indirect tax 120
    (ix) Government final consumption expenditure 200
    (x) Exports 30
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