Average of 10 numbers 2630. If average of 6 is 2625, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2630. If average of 6 is 2625, average of remaining 4?

A. 2635

B. 2636

C. 2640

D. 2637.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum10=26300. Sum6=15750. Remaining=10550. Average=2637.5.

This question belongs to: Maths Average

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Question #1

The average of 8 numbers is 27. If average of 5 is 25, average of remaining 3?

A. 31

B. 30

C. 28

D. 29

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Correct Answer: Option B

Explanation:
Sum8=216. Sum5=125. Remaining=91. Average≈30.33 approx 30.

This question belongs to: Maths Average

Question #2

Average of 15 numbers 760. If average of 9 is 755, average of remaining 6?

A. 768

B. 767.5

C. 765

D. 770

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Correct Answer: Option B

Explanation:
Sum15=11400. Sum9=6795. Remaining=4605. Average=767.5.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 1500. If average of 5 is 1495, average of remaining 3?

A. 1505

B. 1507

C. 1510

D. 1508.33

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Correct Answer: Option D

Explanation:
Sum8=12000. Sum5=7475. Remaining=4525. Average≈1508.33.

This question belongs to: Maths Average

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