Average of 12 numbers 1720. If average of 8 is 1715, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 1720. If average of 8 is 1715, average of remaining 4?

A. 1728

B. 1725

C. 1732

D. 1730

Answer: Option D

Solution (By JKExamLibrary)

Sum12=20640. Sum8=13720. Remaining=6920. Average=1730.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 1820. If average of 8 is 1815, average of remaining 4?

A. 1828

B. 1825

C. 1830

D. 1832

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Correct Answer: Option C

Explanation:
Sum12=21840. Sum8=14520. Remaining=7320. Average=1830.

This question belongs to: Maths Average

Question #2

Average of 15 numbers 2510. If average of 9 is 2505, average of remaining 6?

A. 2518

B. 2520

C. 2517.5

D. 2515

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Correct Answer: Option C

Explanation:
Sum15=37650. Sum9=22545. Remaining=15105. Average=2517.5.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 2390. If average of 6 is 2385, average of remaining 3?

A. 2398

B. 2395

C. 2405

D. 2400

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Correct Answer: Option D

Explanation:
Sum9=21510. Sum6=14310. Remaining=7200. Average=2400.

This question belongs to: Maths Average

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