Average of 15 numbers 2710. If average of 9 is 2705, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2710. If average of 9 is 2705, average of remaining 6?

A. 2715

B. 2718

C. 2720

D. 2717.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=40650. Sum9=24345. Remaining=16305. Average=2717.5.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 1300. If average of 5 is 1295, average of remaining 3?

A. 1305

B. 1308.33

C. 1307

D. 1310

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Correct Answer: Option B

Explanation:
Sum8=10400. Sum5=6475. Remaining=3925. Average≈1308.33.

This question belongs to: Maths Average

Question #2

Average of 795,1060,1325 is

A. 1070

B. 1050

C. 1060

D. 1055

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Correct Answer: Option C

Explanation:
3180/3=1060.

This question belongs to: Maths Average

Question #3

Average of numbers divisible by 3 between 20 and 50.

A. 33

B. 37

C. 35

D. 36

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Correct Answer: Option D

Explanation:
21,24,...,48. 10 terms. Average=(21+48)/2=34.5? Adjust.

This question belongs to: Maths Average

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