EduSahara™ Worksheet

Question 1

1.

Let the present value of a machine be P. If it depreciates at the rate of r% per annum, the value of the machine after n years is

(i)

P

[

1

-

100

r

]

n
(ii)

P

[

1

-

r

100

]

n
(iii)

P

[

1

-

100

r

]

n
(iv)

P

[

1

-

r

100

]

n

Question 2

2.

The present value of a machine is ₹2000.00. Suppose it depreciates at the rate of 4.00% per annum, what is the value of the machine after 5 year(s)?

(i)

₹1632.75
(ii)

₹1631.75
(iii)

₹1629.75
(iv)

₹1630.75
(v)

₹1628.75

Question 3

3.

(i)

9.80
(ii)

9.60
(iii)

9.40
(iv)

9.50
(v)

9.70

Question 4

4.

31.00%
=

(i)

1.31
(ii)

8.31
(iii)

7.31
(iv)

0.31
(v)

2.31

Question 5

5.

If initial value is V, new value after r% increase is

(i)

100 − r

100

✕

V
(ii)

100 − r

r

✕

V
(iii)

100 + r

100

✕

V
(iv)

100 + r

r

✕

V

Question 6

6.

If 46.00% and 39.00% are two successive changes, then the overall change is

(i)

101.94%
(ii)

100.94%
(iii)

103.94%
(iv)

102.94%
(v)

104.94%

Question 7

7.

If the price of a commodity increases by 16.00%, the reduction in consumption so as not to increase the expenditure is

(i)

13.79%
(ii)

15.79%
(iii)

11.79%
(iv)

12.79%
(v)

14.79%

Question 8

8.

(i)

1.30
(ii)

1.70
(iii)

1.40
(iv)

1.60
(v)

1.50

Question 9

9.

The cost of an article is ₹150.00. If it is decreased by 35.00%, what is the new cost of the article?

(i)

₹96.50
(ii)

₹97.50
(iii)

₹99.50
(iv)

₹95.50
(v)

₹98.50

Question 10

10.

The cost of an article is ₹100.00. If it is increased by 9.00%, what is the new cost of the article?

(i)

₹108.00
(ii)

₹110.00
(iii)

₹109.00
(iv)

₹111.00
(v)

₹107.00

Question 11

11.

2
3
=

(i)

66.67%
(ii)

64.67%
(iii)

68.67%
(iv)

67.67%
(v)

65.67%

Question 12

12.

(i)

-76.80
(ii)

-76.70
(iii)

-76.50
(iv)

-76.90
(v)

-76.60

Question 13

13.

4.00%
=

(i)

(
-1
25
)
(ii)

3
25
(iii)

1
27
(iv)

1
25
(v)

1
23

Question 14

14.

If the price of a commodity increases by 3.00%, the reduction in consumption so as not to increase the expenditure is

(i)

1.91%
(ii)

4.91%
(iii)

0.91%
(iv)

3.91%
(v)

2.91%

Question 15

15.

8.28 is what percentage of 109?

(i)

8.60%
(ii)

7.60%
(iii)

9.60%
(iv)

6.60%
(v)

5.60%

Question 16

16.

Let the present value of a machine be P. If it depreciates at the rate of r% per annum, the value of the machine n years ago is

(i)

P

[

1

-

100

r

]

n
(ii)

P

[

1

-

r

100

]

n
(iii)

P

[

1

-

r

100

]

n
(iv)

P

[

1

-

100

r

]

n

Question 17

17.

What percentage of the figure is shaded?

(i)

37.00%
(ii)

39.00%
(iii)

38.00%
(iv)

36.00%
(v)

40.00%

Question 18

18.

How much is 16.00% of 180?

(i)

29.8
(ii)

26.8
(iii)

27.8
(iv)

30.8
(v)

28.8

Question 19

19.

In a school of 600 students, 240 students are boys. The number of boys who failed the final exam is 190. The number of girls who failed is 210. The percentage of girls who passed the exam =

(i)

39.67%
(ii)

40.67%
(iii)

43.67%
(iv)

41.67%
(v)

42.67%

Question 20

20.

If the price of a commodity decreases by r%, the increase in consumption so as not to decrease the expenditure is

(i)

[

r

100 + r

✕

100

]

%
(ii)

[

r

100 − r

✕

100

]

%
(iii)

[

100 + r

r

✕

100

]

%
(iv)

[

100 − r

r

✕

100

]

%

Question 21

21.

If initial value is V, new value after r% decrease is

(i)

100 − r

100

✕

V
(ii)

100 + r

100

✕

V
(iii)

100 − r

r

✕

V
(iv)

100 + r

r

✕

V

Question 22

22.

How much is 46.70% of 24?

(i)

12.21
(ii)

11.21
(iii)

9.21
(iv)

13.21
(v)

10.21

Question 23

23.

The present value of a machine is ₹12000.00. Suppose it depreciates at the rate of 14.00% per annum, what was the value of the machine 4 year(s) ago?

(i)

₹21939.51
(ii)

₹21937.51
(iii)

₹21938.51
(iv)

₹21936.51
(v)

₹21935.51

Question 24

24.

(i)

1.00
(ii)

1.10
(iii)

0.80
(iv)

1.20
(v)

0.90

Question 25

25.

If 7.00% and 3.00% are two successive changes, then the overall change is

(i)

12.21%
(ii)

10.21%
(iii)

11.21%
(iv)

9.21%
(v)

8.21%

Assignment Key