NCERT Microeconomics Solution Chapter 3 -Production and Costs Class 11
NCERT Microeconomics Solution Chapter 3 -Production and Costs Class 11
Q. 1. Explain the concept of a production function.
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Q. 2. What is the total product of an input?
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Q. 3. What is the average product of an input?
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Q. 4. What is the marginal product of an input?
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Q. 5. Explain the relationship between the marginal products and the total product of an input.
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Q. 6. Explain the concepts of the short run and the long run.
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Q. 7. What is the law of diminishing marginal product?
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Q. 8. What is the law of variable proportions?
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Q. 9. When does a production function satisfy constant returns to scale?
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Q. 10. When does a production function satisfy increasing returns to scale?
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Q. 11. When does a production function satisfy decreasing returns to scale?
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Q. 12. Briefly explain the concept of the cost function.
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Q. 13. What are the total fixed cost, total variable cost, and total cost of a firm? How are they related?
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Q. 14. What are the average fixed cost, average variable cost, and average cost of a firm? How are they related?
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Q. 15. Can there be some fixed cost in the long run? If not, why?
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Q. 16. What does the average fixed cost curve look like? Why does it look so?
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Q. 17. What do the short-run marginal cost, average variable cost, and short-run average cost curves look like?
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Q. 18. Why does the SMC curve cut the AVC curve at the minimum point of the AVC curve?
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Q. 19. At which point does the SMC curve cut the SAC curve? Give a reason in support of your answer.
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Q. 20. Why is the short-run marginal cost curve ‘U’ Shaped?
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Q. 21. What do the long-run marginal cost and the average cost curves look like?
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Q. 22. The following table gives the total product schedule of labour. Find the corresponding average product and marginal product schedules of labour.
| L | TPL |
| 0 | 0 |
| 1 | 15 |
| 2 | 35 |
| 3 | 50 |
| 4 | 40 |
| 5 | 48 |
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Q. 23. The following table gives the average product schedule of labour. Find the total product and marginal product schedules. It is given that the total product is zero at zero level of labour employment.
| L | APL |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 4.25 |
| 5 | 4 |
| 6 | 3.5 |
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Q. 24. The following table gives the marginal product schedule of labour. It is also given that total product of labour is zero at zero level of employment. Calculate the total and average product schedules of labour.
| L | MPL |
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 5 |
| 5 | 3 |
| 6 | 1 |
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Q. 25. The following table shows the total cost schedule of a firm. What is the total fixed cost schedule of this firm? Calculate the TVC, AFC, AVC, SAC and SMC schedules of the firm.
| Q | TC |
| 0 | 10 |
| 1 | 30 |
| 2 | 45 |
| 3 | 55 |
| 4 | 70 |
| 5 | 90 |
| 6 | 120 |
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Q. 26. The following table gives the total cost schedule of a firm. It is also given that the average fixed cost at 4 units of output is ₹ 5. Find the TVC, TFC, AVC, AFC, SAC and SMC schedules of the firm for the corresponding values of output.
| Q | TC |
| 1 | 50 |
| 2 | 65 |
| 3 | 75 |
| 4 | 95 |
| 5 | 130 |
| 6 | 185 |
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Q. 27. A firm’s SMC schedule is shown in the following table. The total fixed cost of the firm is ₹ 100. Find the TVC, TC, AVC and SAC schedules of the firm.
| Q | TC |
| 0 | – |
| 1 | 500 |
| 2 | 300 |
| 3 | 200 |
| 4 | 300 |
| 5 | 500 |
| 6 | 800 |
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Q. 28. Let the production function of a firm be
Q = 5L1/2 K1/2
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Q. 29. Let the production function of a firm be
Q = 2L2K2
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Q. 30. Find out the maximum possible output for a firm with zero unit of L and 10 units of K when its production function is
Q = 5L + 2K
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