Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3?

A. 2495

B. 2505

C. 2500

D. 2498

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum9=22410. Sum6=14910. Remaining=7500. Average=2500.

This question belongs to: Maths Average

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Question #1

Average of 15 numbers 2010. If average of 9 is 2005, average of remaining 6?

A. 2017.5

B. 2015

C. 2020

D. 2018

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Correct Answer: Option A

Explanation:
Sum15=30150. Sum9=18045. Remaining=12105. Average=2017.5.

This question belongs to: Maths Average

Question #2

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

A. 1905

B. 1895

C. 1900

D. 1898

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Correct Answer: Option C

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

This question belongs to: Maths Average

Question #3

Average of 10 numbers 2580. If average of 6 is 2575, average of remaining 4?

A. 2586

B. 2585

C. 2587.5

D. 2590

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Correct Answer: Option C

Explanation:
Sum10=25800. Sum6=15450. Remaining=10350. Average=2587.5.

This question belongs to: Maths Average

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