Average of 15 numbers 710. If average of 9 is 705, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 710. If average of 9 is 705, average of remaining 6?

A. 718

B. 715

C. 720

D. 717.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=10650. Sum9=6345. Remaining=4305. Average=717.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 22,33,44,55 is

A. 39

B. 38.5

C. 40

D. 36

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Correct Answer: Option B

Explanation:
Sum=154. Average=38.5.

This question belongs to: Maths Average

Question #2

Average of 8 numbers 2750. If average of 5 is 2745, average of remaining 3?

A. 2757

B. 2758.33

C. 2755

D. 2760

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Correct Answer: Option B

Explanation:
Sum8=22000. Sum5=13725. Remaining=8275. Average≈2758.33.

This question belongs to: Maths Average

Question #3

The average of 4 numbers is 24. If each number is multiplied by 4, what is the new average?

A. 24

B. 48

C. 72

D. 96

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Correct Answer: Option D

Explanation:
New average =24×4=96.

This question belongs to: Maths Average

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