Average of 25 numbers 40. If average of 15 is 35, average of remaining 10? MCQ with Answer and Explanation

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Average of 25 numbers 40. If average of 15 is 35, average of remaining 10?

A. 46

B. 45

C. 48

D. 47.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum25=1000. Sum15=525. Remaining=475. Average=47.5.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 500. If average of 5 is 495, average of remaining 3?

A. 508.33

B. 505

C. 510

D. 507

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Correct Answer: Option A

Explanation:
Sum8=4000. Sum5=2475. Remaining=1525. Average≈508.33.

This question belongs to: Maths Average

Question #2

The average of 12,18,24,30,36 is

A. 25

B. 26

C. 24

D. 23

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Correct Answer: Option C

Explanation:
Sum=120. Average=24.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 1140. If average of 6 is 1135, average of remaining 3?

A. 1148

B. 1145

C. 1150

D. 1155

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Correct Answer: Option C

Explanation:
Sum9=10260. Sum6=6810. Remaining=3450. Average=1150.

This question belongs to: Maths Average

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