Average

Quantitative Aptitude

Page 1 of 4 • 33 total questions

Quantitative Aptitude • Average
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A batsman has an average of 28 runs in 10 innings. How many runs must he score in his next innings to increase his average to 32?

A

72

B

68

C

64

D

76

Quantitative Aptitude • Average
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The average of 12 numbers is 18. If each number is increased by 2 and then each resulting number is divided by 2, what is the new average?

A

10

B

11

C

9

D

12

Quantitative Aptitude • Average
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The average of 8 numbers is 25. If the average of first three numbers is 22 and the average of next three numbers is 26, what is the average of the remaining two numbers?

A

28

B

29

C

27

D

30

Quantitative Aptitude • Average
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The average of 20 numbers is 35. It was later found that one number 42 was misread as 24. What is the correct average?

A

35.9

B

36.1

C

36.5

D

35.5

Quantitative Aptitude • Average
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The average of 10 numbers is 24. If each number is multiplied by 3 and then decreased by 6, what is the new average?

A

66

B

72

C

60

D

78

Quantitative Aptitude • Average
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The average of 30 numbers is 45. If two numbers 25 and 35 are removed and three numbers 40, 50, and 60 are added, what is the new average?

A

46

B

46.45

C

47

D

46.5

Quantitative Aptitude • Average
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The average age of a committee of 12 members is 48 years. A member aged 62 years retired and a new member joined, reducing the average age by 2 years. What is the age of the new member?

A

38 years

B

40 years

C

36 years

D

42 years

Quantitative Aptitude • Average
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The average of 25 consecutive even numbers is 60. What is the average of the last 10 of these numbers?

A

68

B

66

C

70

D

72

Quantitative Aptitude • Average
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The average of 5 numbers is 40. If a number is replaced by another number, the average becomes 38. If the replaced number was 50, what is the new number?

A

40

B

38

C

42

D

36

Quantitative Aptitude • Average
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The average of 15 numbers is 40. The average of the first 8 numbers is 42 and the average of the last 8 numbers is 34. What is the 8th number?

A

8

B

10

C

12

D

15

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