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. 2637.5

B. 2636

C. 2635

D. 2640

Answer: Option A

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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Question #1 Report Error

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

A. 508.33

B. 510

C. 507

D. 505

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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 Report Error

Average of 12 numbers 2220. If average of 8 is 2215, average of remaining 4?

A. 2232

B. 2228

C. 2230

D. 2225

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
Sum12=26640. Sum8=17720. Remaining=8920. Average=2230.

This question belongs to: Maths Average

Question #3 Report Error

Average of 30 numbers 55. If average of 20 is 50, average of remaining 10?

A. 70

B. 62

C. 60

D. 65

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Correct Answer: Option D

Explanation:
Sum30=1650. Sum20=1000. Remaining=650. Average=65.

This question belongs to: Maths Average

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