CBSE Class 11 Economics Sample Paper - 8 | Economics Class 11 - Commerce PDF Download

 Page 1


Time Allowed : 3 hours Maximum Marks: 80
SECTION–A
1. Define standard Deviation. (1)
2. What is inclusive series? (1)
3. Which of the following is an economic activity: (1)
(a) Consumption (b) Production
(c) Distribution (d) All the above
4. The number of times an item repeat it self in the series, is known as
_____. (1)
5. The Arithmetic mean of 10, 15, X, 20, 30 is 20. What is the value of
X. (1)
(a)5 (b) 1 5
(c) 2 5 (d) 3 5
6. Choose the correct formula of Quartile Deviation: (1)
(a)
?
1 3
2
QQ
(b)
?
1 3
2
QQ
(c)
?
3 1
2
QQ
(d)
?
3 1
2
QQ
7. If due to increase in the value of variable X, value of variable Y also
increases, then what type of correlation exist between variables X
and Y? (1)
8. Choose the correct match
(a) Semi-Inter quartile Range ?
?fx
N
(b) Coefficient of Range ? Highest value-smallest value
Page 2


Time Allowed : 3 hours Maximum Marks: 80
SECTION–A
1. Define standard Deviation. (1)
2. What is inclusive series? (1)
3. Which of the following is an economic activity: (1)
(a) Consumption (b) Production
(c) Distribution (d) All the above
4. The number of times an item repeat it self in the series, is known as
_____. (1)
5. The Arithmetic mean of 10, 15, X, 20, 30 is 20. What is the value of
X. (1)
(a)5 (b) 1 5
(c) 2 5 (d) 3 5
6. Choose the correct formula of Quartile Deviation: (1)
(a)
?
1 3
2
QQ
(b)
?
1 3
2
QQ
(c)
?
3 1
2
QQ
(d)
?
3 1
2
QQ
7. If due to increase in the value of variable X, value of variable Y also
increases, then what type of correlation exist between variables X
and Y? (1)
8. Choose the correct match
(a) Semi-Inter quartile Range ?
?fx
N
(b) Coefficient of Range ? Highest value-smallest value
(c) Arithmetic mean ?
? 1
2
N
th item
(d) Mean Deviation ?
? | | fD
N
9. What does ‘0’ indicate in price index P
o1
?
(a) Base year (b) Current year
(c) Last year (d) All of the above
10. Write one demerit of median. (1)
OR
Write one merit of mean.
11. Distinguish between discrete variables and continuous variables. (3)
OR
Distinguish between the census method and sample method.
12. State any three limitations of statistics. (3)
13. Write the four uses of consumer price index. (4)
OR
Define mode. Write its three demerits.
14. Draw Histogram and Frequency Polygon with the help of the following
data: (4)
Wages 0-20 20-40 40-60 60-80 80-100
No. of Workesrs 2 8 4 6 5 4 4 2 30
15. If N = 100 and Median = 30, then find missing frequencies: (4)
Marks 0-10 10-20 20-30 30-40 40-50 50-60
No. of Students 1 0 – 2 5 3 0 – 1 0
Page 3


Time Allowed : 3 hours Maximum Marks: 80
SECTION–A
1. Define standard Deviation. (1)
2. What is inclusive series? (1)
3. Which of the following is an economic activity: (1)
(a) Consumption (b) Production
(c) Distribution (d) All the above
4. The number of times an item repeat it self in the series, is known as
_____. (1)
5. The Arithmetic mean of 10, 15, X, 20, 30 is 20. What is the value of
X. (1)
(a)5 (b) 1 5
(c) 2 5 (d) 3 5
6. Choose the correct formula of Quartile Deviation: (1)
(a)
?
1 3
2
QQ
(b)
?
1 3
2
QQ
(c)
?
3 1
2
QQ
(d)
?
3 1
2
QQ
7. If due to increase in the value of variable X, value of variable Y also
increases, then what type of correlation exist between variables X
and Y? (1)
8. Choose the correct match
(a) Semi-Inter quartile Range ?
?fx
N
(b) Coefficient of Range ? Highest value-smallest value
(c) Arithmetic mean ?
? 1
2
N
th item
(d) Mean Deviation ?
? | | fD
N
9. What does ‘0’ indicate in price index P
o1
?
(a) Base year (b) Current year
(c) Last year (d) All of the above
10. Write one demerit of median. (1)
OR
Write one merit of mean.
11. Distinguish between discrete variables and continuous variables. (3)
OR
Distinguish between the census method and sample method.
12. State any three limitations of statistics. (3)
13. Write the four uses of consumer price index. (4)
OR
Define mode. Write its three demerits.
14. Draw Histogram and Frequency Polygon with the help of the following
data: (4)
Wages 0-20 20-40 40-60 60-80 80-100
No. of Workesrs 2 8 4 6 5 4 4 2 30
15. If N = 100 and Median = 30, then find missing frequencies: (4)
Marks 0-10 10-20 20-30 30-40 40-50 50-60
No. of Students 1 0 – 2 5 3 0 – 1 0
16. Calculate the coefficient of correlation of the following data by the
spearnan’s Rank Correlation method: (6)
X 19 24 12 23 19 16
Y 9 22 20 14 22 18
17. Calculate the standard deviation from the following data by step devia -
tion method: (6)
Maks 0-10 10-20 20-30 30-40 40-50
No. of students 4 3 6 4 2
OR
Calculate Mean Deviation from median from following data.
Size 0-10 10-20 20-30 30-40 40-50
Frequency 1 2 4 1 2
SECTION-B
18. ‘Homogenous Products’ is a characteristic of: (Choose the correct al-
ternative) (1)
(a) Perfect Competition only (b) Perfect Dligopoly only
(c) Both (a) and (b) (d) None of the above
19. Suppose total revenue is rising at a constant rate as more and more
units of a commodity are sold, marginal revenue would be: (Choose
the correct alternative) (1)
(a) Greater than average revenue
(b) Equal to average revence
(c) Less than average revenue
(d) Rising
20. Which of the folloiwng cost can never be zero? (1)
(a) Total variable cost (b) Marginal cost
(c) Average variable cost (d) Average Fixed cost
Page 4


Time Allowed : 3 hours Maximum Marks: 80
SECTION–A
1. Define standard Deviation. (1)
2. What is inclusive series? (1)
3. Which of the following is an economic activity: (1)
(a) Consumption (b) Production
(c) Distribution (d) All the above
4. The number of times an item repeat it self in the series, is known as
_____. (1)
5. The Arithmetic mean of 10, 15, X, 20, 30 is 20. What is the value of
X. (1)
(a)5 (b) 1 5
(c) 2 5 (d) 3 5
6. Choose the correct formula of Quartile Deviation: (1)
(a)
?
1 3
2
QQ
(b)
?
1 3
2
QQ
(c)
?
3 1
2
QQ
(d)
?
3 1
2
QQ
7. If due to increase in the value of variable X, value of variable Y also
increases, then what type of correlation exist between variables X
and Y? (1)
8. Choose the correct match
(a) Semi-Inter quartile Range ?
?fx
N
(b) Coefficient of Range ? Highest value-smallest value
(c) Arithmetic mean ?
? 1
2
N
th item
(d) Mean Deviation ?
? | | fD
N
9. What does ‘0’ indicate in price index P
o1
?
(a) Base year (b) Current year
(c) Last year (d) All of the above
10. Write one demerit of median. (1)
OR
Write one merit of mean.
11. Distinguish between discrete variables and continuous variables. (3)
OR
Distinguish between the census method and sample method.
12. State any three limitations of statistics. (3)
13. Write the four uses of consumer price index. (4)
OR
Define mode. Write its three demerits.
14. Draw Histogram and Frequency Polygon with the help of the following
data: (4)
Wages 0-20 20-40 40-60 60-80 80-100
No. of Workesrs 2 8 4 6 5 4 4 2 30
15. If N = 100 and Median = 30, then find missing frequencies: (4)
Marks 0-10 10-20 20-30 30-40 40-50 50-60
No. of Students 1 0 – 2 5 3 0 – 1 0
16. Calculate the coefficient of correlation of the following data by the
spearnan’s Rank Correlation method: (6)
X 19 24 12 23 19 16
Y 9 22 20 14 22 18
17. Calculate the standard deviation from the following data by step devia -
tion method: (6)
Maks 0-10 10-20 20-30 30-40 40-50
No. of students 4 3 6 4 2
OR
Calculate Mean Deviation from median from following data.
Size 0-10 10-20 20-30 30-40 40-50
Frequency 1 2 4 1 2
SECTION-B
18. ‘Homogenous Products’ is a characteristic of: (Choose the correct al-
ternative) (1)
(a) Perfect Competition only (b) Perfect Dligopoly only
(c) Both (a) and (b) (d) None of the above
19. Suppose total revenue is rising at a constant rate as more and more
units of a commodity are sold, marginal revenue would be: (Choose
the correct alternative) (1)
(a) Greater than average revenue
(b) Equal to average revence
(c) Less than average revenue
(d) Rising
20. Which of the folloiwng cost can never be zero? (1)
(a) Total variable cost (b) Marginal cost
(c) Average variable cost (d) Average Fixed cost
21. Suppose 10000 Labourers migrate from India to U.S. India’s PPC
would move: (1)
(a) Towards right (b) Towards left
(c) Does not change (d) None of these
22. Define Budget set. (1)
23. Choose the correct match: (1)
(a) MRS decreases ? Indifference curve wil downword
sloping concave to the origin.
(b) MRS constant ? Indifference curve will downward
sloping straight line.
(c) MRS increases ? Indifference curve will parallel to X
axis.
(d) MRS increases ? Indifference curve will downward
sloping convex to the origin.
24. The average product curve in the input-output plane, will be _____
shaped curve. (1)
25. Define Inelastic Demand. (1)
OR
Define Elastic Demand.
26. After consuming 3 ice-cream continuously, marginal utility of a con-
sumer from 4
th
 ice-cream will _____?_____. (1)
27. State the condition of consumer Equilibrium in one commodity case.
(1)
28. Explain the central problem of ‘choice of technique’. (3)
29. What is maximum price ceiling? Explain its implications. (3)
OR
Explain the chain effects, if the prevailing market price is below the
equilibrium price.
30. Price Elasticity of supply of a good is 2. A producer supplies 100 units
of a good at a price of ` 20 per unit. At what price will he supply 80
u n i t s ? (4)
Page 5


Time Allowed : 3 hours Maximum Marks: 80
SECTION–A
1. Define standard Deviation. (1)
2. What is inclusive series? (1)
3. Which of the following is an economic activity: (1)
(a) Consumption (b) Production
(c) Distribution (d) All the above
4. The number of times an item repeat it self in the series, is known as
_____. (1)
5. The Arithmetic mean of 10, 15, X, 20, 30 is 20. What is the value of
X. (1)
(a)5 (b) 1 5
(c) 2 5 (d) 3 5
6. Choose the correct formula of Quartile Deviation: (1)
(a)
?
1 3
2
QQ
(b)
?
1 3
2
QQ
(c)
?
3 1
2
QQ
(d)
?
3 1
2
QQ
7. If due to increase in the value of variable X, value of variable Y also
increases, then what type of correlation exist between variables X
and Y? (1)
8. Choose the correct match
(a) Semi-Inter quartile Range ?
?fx
N
(b) Coefficient of Range ? Highest value-smallest value
(c) Arithmetic mean ?
? 1
2
N
th item
(d) Mean Deviation ?
? | | fD
N
9. What does ‘0’ indicate in price index P
o1
?
(a) Base year (b) Current year
(c) Last year (d) All of the above
10. Write one demerit of median. (1)
OR
Write one merit of mean.
11. Distinguish between discrete variables and continuous variables. (3)
OR
Distinguish between the census method and sample method.
12. State any three limitations of statistics. (3)
13. Write the four uses of consumer price index. (4)
OR
Define mode. Write its three demerits.
14. Draw Histogram and Frequency Polygon with the help of the following
data: (4)
Wages 0-20 20-40 40-60 60-80 80-100
No. of Workesrs 2 8 4 6 5 4 4 2 30
15. If N = 100 and Median = 30, then find missing frequencies: (4)
Marks 0-10 10-20 20-30 30-40 40-50 50-60
No. of Students 1 0 – 2 5 3 0 – 1 0
16. Calculate the coefficient of correlation of the following data by the
spearnan’s Rank Correlation method: (6)
X 19 24 12 23 19 16
Y 9 22 20 14 22 18
17. Calculate the standard deviation from the following data by step devia -
tion method: (6)
Maks 0-10 10-20 20-30 30-40 40-50
No. of students 4 3 6 4 2
OR
Calculate Mean Deviation from median from following data.
Size 0-10 10-20 20-30 30-40 40-50
Frequency 1 2 4 1 2
SECTION-B
18. ‘Homogenous Products’ is a characteristic of: (Choose the correct al-
ternative) (1)
(a) Perfect Competition only (b) Perfect Dligopoly only
(c) Both (a) and (b) (d) None of the above
19. Suppose total revenue is rising at a constant rate as more and more
units of a commodity are sold, marginal revenue would be: (Choose
the correct alternative) (1)
(a) Greater than average revenue
(b) Equal to average revence
(c) Less than average revenue
(d) Rising
20. Which of the folloiwng cost can never be zero? (1)
(a) Total variable cost (b) Marginal cost
(c) Average variable cost (d) Average Fixed cost
21. Suppose 10000 Labourers migrate from India to U.S. India’s PPC
would move: (1)
(a) Towards right (b) Towards left
(c) Does not change (d) None of these
22. Define Budget set. (1)
23. Choose the correct match: (1)
(a) MRS decreases ? Indifference curve wil downword
sloping concave to the origin.
(b) MRS constant ? Indifference curve will downward
sloping straight line.
(c) MRS increases ? Indifference curve will parallel to X
axis.
(d) MRS increases ? Indifference curve will downward
sloping convex to the origin.
24. The average product curve in the input-output plane, will be _____
shaped curve. (1)
25. Define Inelastic Demand. (1)
OR
Define Elastic Demand.
26. After consuming 3 ice-cream continuously, marginal utility of a con-
sumer from 4
th
 ice-cream will _____?_____. (1)
27. State the condition of consumer Equilibrium in one commodity case.
(1)
28. Explain the central problem of ‘choice of technique’. (3)
29. What is maximum price ceiling? Explain its implications. (3)
OR
Explain the chain effects, if the prevailing market price is below the
equilibrium price.
30. Price Elasticity of supply of a good is 2. A producer supplies 100 units
of a good at a price of ` 20 per unit. At what price will he supply 80
u n i t s ? (4)
31. What do you mean by leftward shifting of demand curve? State any
three reasons for leftward shifting demand curve. (4)
OR
What do you mean by rightward shifting of demand curve? State any
three reason for rightward shifting of demand curve.
32. What do you mean by monotonic preference? Why does higher
indifference curve represents higher level of satisfachion? (4)
33. Explain the determination of producer’s equilibrium wiht the help of
marginal cost and marginal revenue schedule. (6)
34. Explain the implication of the following in a perfectly competitive
market: (6)
(a) large number of buyers
(b) Freedom of entry and exit to firms
OR
Expalin the implications of the following in an oligopoly market:
(a) Inter-dependence between firms
(b) Non price competition