Average of 12 numbers 2520. If average of 8 is 2515, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 2520. If average of 8 is 2515, average of remaining 4?

A. 2530

B. 2528

C. 2532

D. 2525

Answer: Option A

Solution (By JKExamLibrary)

Sum12=30240. Sum8=20120. Remaining=10120. Average=2530.

This question belongs to: Maths Average

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The average of 1500,2000,2500 is

A. 2010

B. 2000

C. 1990

D. 1995

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Correct Answer: Option B

Explanation:
6000/3=2000.

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Question #2

Average of 12 numbers 2370. If average of 8 is 2365, average of remaining 4?

A. 2378

B. 2380

C. 2375

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Correct Answer: Option B

Explanation:
Sum12=28440. Sum8=18920. Remaining=9520. Average=2380.

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Question #3

The average of 6, 12, 18, 24, 30 is

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Correct Answer: Option C

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Sum=90. Average=18.

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