EduSahara™ Worksheet

Question 1

1.

Out of 89 articles, 7 were damaged. What is the percentage of good articles?

(i)

90.13%
(ii)

94.13%
(iii)

93.13%
(iv)

91.13%
(v)

92.13%

Question 2

2.

Out of 593 articles, 45 were damaged. What is the percentage of good articles?

(i)

93.41%
(ii)

91.41%
(iii)

92.41%
(iv)

90.41%
(v)

94.41%

Question 3

3.

3.00% of a number is 3.00. What is 1.00% of the number?

(i)

1
(ii)

3
(iii)

2
(iv)

9
(v)

0

Question 4

4.

12.00% of a number is 192.00. What is 16.00% of the number?

(i)

257
(ii)

254
(iii)

258
(iv)

256
(v)

255

Question 5

5.

The cost of an article is ₹90.00. If it is increased by 6.00%, what is the new cost of the article?

(i)

₹93.40
(ii)

₹97.40
(iii)

₹96.40
(iv)

₹95.40
(v)

₹94.40

Question 6

6.

The cost of an article is ₹60.00. If it is decreased by 7.00%, what is the new cost of the article?

(i)

₹57.80
(ii)

₹55.80
(iii)

₹53.80
(iv)

₹54.80
(v)

₹56.80

Question 7

7.

The population of a city is 50000. If the rate of increase in population is 2.00% per annum, what is the population after 5 year(s)?

(i)

55204
(ii)

55194
(iii)

55184
(iv)

55224
(v)

55214

Question 8

8.

The population of a city is 40000. If the rate of decrease in population is 5.00% per annum, what is the popoulation after 1 year(s)?

(i)

37980
(ii)

38010
(iii)

38000
(iv)

37990
(v)

38020

Question 9

9.

If 8.00% and 4.00% are two successive changes, then the overall change is

(i)

10.32%
(ii)

11.32%
(iii)

13.32%
(iv)

14.32%
(v)

12.32%

Question 10

10.

If 20.00% and 43.00% are two successive changes, then the overall change is

(i)

73.60%
(ii)

72.60%
(iii)

69.60%
(iv)

71.60%
(v)

70.60%

Question 11

11.

The present value of a machine is ₹4000.00. Suppose it depreciates at the rate of 6.00% per annum, what is the value of the machine after 1 year(s)?

(i)

₹3762.00
(ii)

₹3760.00
(iii)

₹3758.00
(iv)

₹3759.00
(v)

₹3761.00

Question 12

12.

The present value of a machine is ₹2000.00. Suppose it depreciates at the rate of 4.00% per annum, what was the value of the machine 1 year(s) ago?

(i)

₹2082.33
(ii)

₹2085.33
(iii)

₹2084.33
(iv)

₹2083.33
(v)

₹2081.33

Question 13

13.

If the price of a commodity increases by 6.00%, the reduction in consumption so as not to increase the expenditure is

(i)

6.66%
(ii)

7.66%
(iii)

3.66%
(iv)

4.66%
(v)

5.66%

Question 14

14.

If the price of a commodity decreases by 7.00%, the increase in consumption so as to match the expenditure is

(i)

5.53%
(ii)

9.53%
(iii)

8.53%
(iv)

7.53%
(v)

6.53%

Question 15

15.

If 'a' exceeds 'b' by
3.00%
,
then 'b' is short of 'a' by

(i)

0.91%
(ii)

3.91%
(iii)

2.91%
(iv)

1.91%
(v)

4.91%

Question 16

16.

If 'a' is short of 'b' by
3.00%
,
then 'b' exceeds 'a' by

(i)

2.09%
(ii)

1.09%
(iii)

5.09%
(iv)

4.09%
(v)

3.09%

Question 17

17.

If the radius of a circle is increased by 5.00%, its area will increase by

(i)

12.25%
(ii)

8.25%
(iii)

10.25%
(iv)

9.25%
(v)

11.25%

Question 18

18.

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

(i)

[

100 + r

r

✕

100

]

%
(ii)

[

r

100 + r

✕

100

]

%
(iii)

[

r

100 − r

✕

100

]

%
(iv)

[

100 − r

r

✕

100

]

%

Question 19

19.

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

(i)

[

100 + r

r

✕

100

]

%
(ii)

[

r

100 − r

✕

100

]

%
(iii)

[

100 − r

r

✕

100

]

%
(iv)

[

r

100 + r

✕

100

]

%

Question 20

20.

If 'a' exceeds 'b' by x%, then 'b' is short of 'a' by

(i)

[

x

100 − x

✕

100

]

%
(ii)

[

100 − x

x

✕

100

]

%
(iii)

[

100 + x

x

✕

100

]

%
(iv)

[

x

100 + x

✕

100

]

%

Question 21

21.

If 'a' is short of 'b' by x%, then 'b' exceeds 'a' by

(i)

[

100 + x

x

✕

100

]

%
(ii)

[

x

100 − x

✕

100

]

%
(iii)

[

100 − x

x

✕

100

]

%
(iv)

[

x

100 + x

✕

100

]

%

Question 22

22.

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 23

23.

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

(i)

100 + r

100

✕

V
(ii)

100 − r

r

✕

V
(iii)

100 + r

r

✕

V
(iv)

100 − r

100

✕

V

Question 24

24.

In a school of 500 students, 375 students are boys. The number of boys who failed the final exam is 195. The number of girls who failed is 35. The percentage of boys who failed the exam =

(i)

52.00%
(ii)

51.00%
(iii)

53.00%
(iv)

54.00%
(v)

50.00%

Question 25

25.

In a school of 600 students, 330 students are boys. The number of boys who failed the final exam is 180. The number of girls who failed is 90. The percentage of girls who failed the exam =

(i)

35.33%
(ii)

32.33%
(iii)

31.33%
(iv)

34.33%
(v)

33.33%

Question 26

26.

In a school of 900 students, 495 students are boys. The number of boys who failed the final exam is 305. The number of girls who failed is 235. The percentage of students who passed the exam =

(i)

42.00%
(ii)

38.00%
(iii)

39.00%
(iv)

41.00%
(v)

40.00%

Question 27

27.

In a school of 700 students, 455 students are boys. The number of boys who failed the final exam is 345. The percentage of girls who failed is 63.27%. The number of girls who passed the exam =

(i)

88
(ii)

90
(iii)

91
(iv)

89
(v)

93

Question 28

28.

In a school of 500 students, 50 students are boys. The number of boys who failed the final exam is 10. The percentage of girls who failed is 51.11%. The percentage of boys who passed the exam =

(i)

81.00%
(ii)

78.00%
(iii)

80.00%
(iv)

82.00%
(v)

79.00%

Assignment Key