Average of 9 numbers 1790. If average of 6 is 1785, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1790. If average of 6 is 1785, average of remaining 3?

A. 1795

B. 1805

C. 1798

D. 1800

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum9=16110. Sum6=10710. Remaining=5400. Average=1800.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 470. If average of 8 is 465, average of remaining 4?

A. 482

B. 475

C. 478

D. 480

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Correct Answer: Option D

Explanation:
Sum12=5640. Sum8=3720. Remaining=1920. Average=480.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 1380. If average of 6 is 1375, average of remaining 4?

A. 1390

B. 1386

C. 1385

D. 1387.5

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Correct Answer: Option D

Explanation:
Sum10=13800. Sum6=8250. Remaining=5550. Average=1387.5.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 2540. If average of 6 is 2535, average of remaining 3?

A. 2545

B. 2550

C. 2555

D. 2548

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Correct Answer: Option B

Explanation:
Sum9=22860. Sum6=15210. Remaining=7650. Average=2550.

This question belongs to: Maths Average

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