**2022**

**ECONOMICS**

__Full Marks: 100__

**Pass Marks: 30**

**Time: 3 hours**

**The figures in the margin
indicate full marks fOr the questions**

**PART – A**

**(IntroductOry
Microeconomics)**

**1. Answer the following:**

(a) State
the law of
supply. 1

(b) What
is break-even
point? 1

(c) What
is the shape of a perfectly inelastic demand
curve? 1

(d) What
does a point below the production possibility curve
indicate? 1

(e) What
is market
economy? 1

(f) What
do you understand by price ceiling? 1

2. What is oppOrtunity
cost? Explain with an
example. 1+1=2

3. Write the law of
variable propOrtion. 2

4. State the law of demand
and draw a demand
curve. 1+1=2

5. Prove that fOr a firm,
price = average
revenue. 2

6. Write the conditions of
firm’s
equilibrium. 2

7. How does imposition of
per unit tax affect supply curve of a
firm? 2

8. Discuss the
characteristics of perfect competitive
market. 4

9. With the help of demand
and supply curve, explain how market equilibrium is attained. 4

10. Explain the law of
diminishing marginal
utility. 4

Or

What is price elasticity of
demand? Discuss any one method of calculating price elasticity of
demand. 1+3=4

11. Define production
function. The production function of a firm is given as, where Q is output,
L is labour employed and K is capital employed. Determine the level of Q, whereand. 1+3=4

Or

Discuss the determinants of
supply. 4

12. Write the differences
between monopoly market and monopolistic competitive
market. 4

13. Explain how a consumer
attains equilibrium while consuming two
commodities. 6

Or

What is an indifference
curve? Draw an indifference curve and discuss its
properties. 1+1+4=6

14. Define average fixed
cost (AFC), average variable cost (AVC) and average cost (AC). Draw the AFC,
AVC and AC curves indicating their
interrelation. 3+3=6

Or

Calculate TFC, TVC, AVC,
AFC, AC and MC schedule from the following
table: 6

Amount
of Production (Q) |
0 |
1 |
2 |
3 |
4 |
5 |
6 |

Total
Cost (TC) |
40 |
100 |
120 |
130 |
150 |
190 |
250 |

PART – B

**(Statistics for Economics)**

15. Answer the following:

(a) Who
fOrwarded the welfare definition of
economics? 1

(b) Write
one limitation of
statistics. 1

(c) Write
the direct method of calculating arithmetic mean in case of discrete
variable. 1

(d) Write
the full fOrm of
NSSO. 1

(e) Who
is known as the father of
statistics? 1

(f) Write
one difference between diagrammatic presentation and graphical presentation of
data. 1

16. Calculate range and
range coefficient from the following data: 1+1=2

12, 15, 18, 21, 24, 27

17. Write two differences
between discrete variable and continuous
variable. 2

18. What do you understand
by relative measures of dispersion? 2

19. Write two differences
between histogram and bar diagram.
2

20. Write two limitations
of ‘direct personal investigation’ method of data
collection. 2

21. Write two features of
statistics. 2

22. Briefly write about the
methods of classification of
data. 4

Or

Write the objectives of
tabulation of
data. 4

23. The marks obtained by 9
students of a class are given below. Calculate mean
deviation: 4

22, 65, 40, 50, 38, 20, 70,
25, 75

Or

Write a note on LOrenz
curve. 4

24. Calculate Karl
Pearson’s cOrrelation coefficient from the following
data: 4

X: |
6 |
8 |
12 |
15 |
18 |
20 |
24 |
38 |
31 |

Y: |
10 |
12 |
15 |
15 |
18 |
25 |
22 |
26 |
28 |

Or

What is rank cOrrelation?
Briefly outline its demerits. 1+3=4

25. Calculate mode from the
following frequency
distribution:
4

X: |
0-10 |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
70-80 |

F: |
4 |
12 |
18 |
25 |
16 |
9 |
7 |
3 |

Or

What is Median? Discuss its
merits. 1+3=4

26. Write the characteristics
of an ideal average.
4

27. Write shOrt notes
on: 3+3=6

(a) Wholesale
price index.

(b) Consumer
price index.

Or

Discuss the use of index
number in the study of economics. 6

28. Discuss the
characteristics of a good questionnaire.
6

Or

Draw a histogram and a
frequency polygon from the following data:
4+2=6

Marks
Obtained: |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |

No.
of Students: |
5 |
12 |
15 |
22 |
19 |
4 |

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