The average of 10 numbers is 16. If each number is increased by 4, what is the new average? MCQ with Answer and Explanation

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The average of 10 numbers is 16. If each number is increased by 4, what is the new average?

A. 16

B. 24

C. 12

D. 20

Answer: Option D

Solution (By JKSSB Mock Tests)

New average =16+4=20.

This question belongs to: Maths Average

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Question #1

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Average of 20 numbers 120. If average of 12 is 115, average of remaining 8?

A. 126

B. 130

C. 125

D. 127.5

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Correct Answer: Option D

Explanation:
Sum20=2400. Sum12=1380. Remaining=1020. Average=127.5.

This question belongs to: Maths Average

Question #2

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Average of 7,14,21,28,35,42,49 is

A. 25

B. 35

C. 30

D. 28

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Correct Answer: Option D

Explanation:
7 times (1 to 7). Average 7*4=28.

This question belongs to: Maths Average

Question #3

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The average of 7 numbers is 26. If one number is 32, find the average of the remaining 6.

A. 25

B. 26

C. 25.5

D. 24.5

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Correct Answer: Option A

Explanation:
Sum=7×26=182. Remaining sum=182-32=150. Avg=150/6=25.

This question belongs to: Maths Average

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