Board Paper of Class 12-Humanities 2012 Economics Delhi(SET 2) - Solutions
(i) All questions in both the sections are compulsory.
(ii) Marks for questions are indicated against each.
(iii) Questions Nos. 1-5 and 17-21 are very short-answer questions carrying 1 mark each. They are required to be answered in one sentence each
(iv) Questions Nos. 6-10 and 22-26 are short-answer questions carrying 3 marks each. Answers to them should normally not exceed 60 words each.
(v) Questions Nos. 11-13 and 27-29 are also short-answer questions carrying 4 marks each. Answers to them should normally not exceed 70 words each.
(vi) Questions Nos. 14-16 and 30-32 are long-answer questions carrying 6 marks each. Answers to them should normally not exceed 100 words each.
(vii) Answers should be brief and to the point and the above word limits should be adhered to as far as possible.
- Question 1
What is a price taker firm?
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- Question 2
Give meaning of an Economy.
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- Question 3
What is the behaviour of average revenue in a market in which a firm can sell more only by lowering the price?
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- Question 4
What is market Demand?
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- Question 5
What is the behaviour of average fixed cost as output increase?
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- Question 6
What is ‘Marginal Rate of Transformation’? Explain with the help of an example.
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- Question 7
Explain the implication of large number of buyers in a perfectly competitive market.
OR
Explain why are firms mutually interdependent in an oligopoly market.
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- Question 8
Given price of a good, how does a consumer decide as to how much of that good to buy?
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- Question 9
A producer borrows money and opens a shop. The shop premise is owned by him. Identify the implicit and explicit costs from this information. Explain.
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- Question 10
Draw Average Variable Cost, Average Total Cost and Marginal Cost Curves in a single diagram.
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- Question 11
Define Marginal Rate of Substitution. Explain why is an indifference curve convex?
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- Question 12
A consumer buys 10 units of a good at a price of Rs 9 per unit. At price of Rs 10 per unit he buys 9 units. What is price elasticity of demand. Use expenditure approach. Comment on the likely shape of demand curve on the basis of this measure of elasticity.
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- Question 13
What does the Law of Variable Proportions show? State the behavior of total product according to this law.
OR
Explain how changes in prices of other products influence the supply of a given product.
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- Question 14
Market for a good is in equilibrium. There in simultaneous “increase” both in demand and supply of the good. Explain its effect on market price.
OR
Marker for a good is in equilibrium. There is simultaneous “decrease” both in demand and supply of the good. Explain its effect on market price.
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- Question 15
Explain how do the following influences demand for a good:
(i) Rise in income of the consumer.
(ii) Fall in prices of the related goods.
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- Question 16
Explain the conditions of a producer’s equilibrium in terms of marginal cost and marginal revenue.
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