Average of 15 numbers 710. If average of 9 is 705, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 710. If average of 9 is 705, average of remaining 6?

A. 718

B. 717.5

C. 720

D. 715

Answer: Option B

Solution (By JKExamLibrary)

Sum15=10650. Sum9=6345. Remaining=4305. Average=717.5.

This question belongs to: Maths Average

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Question #1

The average of 1350,1800,2250 is

A. 1795

B. 1790

C. 1800

D. 1810

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Correct Answer: Option C

Explanation:
5400/3=1800.

This question belongs to: Maths Average

Question #2

The average of 4 numbers is 24. If each number is multiplied by 4, what is the new average?

A. 96

B. 24

C. 72

D. 48

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Correct Answer: Option A

Explanation:
New average =24×4=96.

This question belongs to: Maths Average

Question #3

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

A. 1508.33

B. 1510

C. 1505

D. 1507

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Correct Answer: Option A

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

This question belongs to: Maths Average

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