Average of 9 numbers 1390. If average of 6 is 1385, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1390. If average of 6 is 1385, average of remaining 3?

A. 1398

B. 1405

C. 1395

D. 1400

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum9=12510. Sum6=8310. Remaining=4200. Average=1400.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 630,840,1050 is

A. 850

B. 840

C. 835

D. 830

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Correct Answer: Option B

Explanation:
2520/3=840.

This question belongs to: Maths Average

Question #2

The average weight of 7 persons is 58 kg. If a person weighing 68 kg joins, what is the new average?

A. 59.25 kg

B. 59.5 kg

C. 60 kg

D. 58.75 kg

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Correct Answer: Option A

Explanation:
Sum=7×58=406. New sum=406+68=474. New avg=474/8=59.25.

This question belongs to: Maths Average

Question #3

If average of 9 numbers is 30 and average of 6 is 28, average of remaining 3?

A. 32

B. 35

C. 34

D. 33

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Correct Answer: Option C

Explanation:
Sum9=270. Sum6=168. Remaining=102. Average=34.

This question belongs to: Maths Average

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