Average of 15 numbers 910. If average of 9 is 905, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 910. If average of 9 is 905, average of remaining 6?

A. 920

B. 917.5

C. 918

D. 915

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum15=13650. Sum9=8145. Remaining=5505. Average=917.5.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 38. If average of 9 is 35, average of remaining 3?

A. 50

B. 47

C. 48

D. 45

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Correct Answer: Option B

Explanation:
Sum12=456. Sum9=315. Remaining=141. Average=47.

This question belongs to: Maths Average

Question #2

Average of 5 numbers 22. If average of 3 is 20, average of remaining 2?

A. 23

B. 25

C. 24

D. 26

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Correct Answer: Option B

Explanation:
Sum5=110. Sum3=60. Remaining=50. Average=25.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2310. If average of 9 is 2305, average of remaining 6?

A. 2315

B. 2320

C. 2317.5

D. 2318

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Correct Answer: Option C

Explanation:
Sum15=34650. Sum9=20745. Remaining=13905. Average=2317.5.

This question belongs to: Maths Average

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