Average

Quantitative Aptitude

Page 2 of 4 • 33 total questions

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

Quantitative Aptitude • Average
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A batsman scores 85 runs in his 17th innings, thereby increasing his average by 3 runs. What was his average before the 17th innings?

A

34

B

35

C

37

D

32

Quantitative Aptitude • Average
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The average of 20 numbers is zero. How many numbers may be greater than zero?

A

At most 19

B

At most 10

C

Exactly 10

D

Exactly 0

Quantitative Aptitude • Average
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The average of 9 numbers is 30. If the average of first 5 numbers is 25 and the average of last 5 numbers is 28, what is the fifth number?

A

15

B

20

C

25

D

18

Quantitative Aptitude • Average
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The average of three numbers is 15. Two of them are 12 and 18. What is the third number?

A

15

B

16

C

17

D

14

Quantitative Aptitude • Average
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The average of 5 consecutive even numbers is 26. What is the largest number?

A

28

B

30

C

32

D

26

Quantitative Aptitude • Average
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The average of 6 numbers is 12. If each number is divided by 2, then increased by 2, what is the new average?

A

8

B

10

C

12

D

14

Quantitative Aptitude • Average
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The average age of a class of 40 students is 15 years. When 10 new students are admitted, the average increases by 0.2 years. What is the average age of the new students?

A

16 years

B

15.5 years

C

16.2 years

D

15.8 years

Quantitative Aptitude • Average
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The average of 10 numbers is 40. If each number is increased by 5, then each number is multiplied by 2. What is the new average?

A

85

B

90

C

80

D

95

Quantitative Aptitude • Average
1 markView Details

The average salary of all employees in a company is Rs. 12,000. The average salary of 7 technicians is Rs. 15,000 and the average salary of the rest is Rs. 9,000. The total number of employees is:

A

21

B

14

C

28

D

35

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