Average of 9 numbers 1890. If average of 6 is 1885, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1890. If average of 6 is 1885, average of remaining 3?

A. 1898

B. 1895

C. 1905

D. 1900

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum9=17010. Sum6=11310. Remaining=5700. Average=1900.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 350. If average of 5 is 345, average of remaining 3?

A. 360

B. 357

C. 355

D. 358.33

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Correct Answer: Option D

Explanation:
Sum8=2800. Sum5=1725. Remaining=1075. Average≈358.33.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 720. If average of 8 is 715, average of remaining 4?

A. 730

B. 732

C. 725

D. 728

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Correct Answer: Option A

Explanation:
Sum12=8640. Sum8=5720. Remaining=2920. Average=730.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2660. If average of 9 is 2655, average of remaining 6?

A. 2667.5

B. 2670

C. 2665

D. 2668

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Correct Answer: Option A

Explanation:
Sum15=39900. Sum9=23895. Remaining=16005. Average=2667.5.

This question belongs to: Maths Average

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