Average of 15 numbers 2660. If average of 9 is 2655, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2660. If average of 9 is 2655, average of remaining 6?

A. 2668

B. 2665

C. 2667.5

D. 2670

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum15=39900. Sum9=23895. Remaining=16005. Average=2667.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 24,36,48,60,72 is

A. 42

B. 48

C. 50

D. 45

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Correct Answer: Option B

Explanation:
240/5=48.

This question belongs to: Maths Average

Question #2

Average of 25 numbers is 36. If one number 48 is replaced by 24, new average?

A. 34

B. 36

C. 35.04

D. 35

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Correct Answer: Option C

Explanation:
Change -24, decrease 0.96, new≈35.04.

This question belongs to: Maths Average

Question #3

Average of 21, 28, 35, 42 is

A. 33

B. 31.5

C. 32

D. 30

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Correct Answer: Option B

Explanation:
Sum=126. Average=31.5.

This question belongs to: Maths Average

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