Average of 9 numbers 990. If average of 6 is 985, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 990. If average of 6 is 985, average of remaining 3?

A. 1005

B. 998

C. 1000

D. 995

Answer: Option C

Solution (By JKExamLibrary)

Sum9=8910. Sum6=5910. Remaining=3000. Average=1000.

This question belongs to: Maths Average

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Question #1

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The average of 8 numbers is 25. If 5 is added to each of first 4 and subtracted from each of last 4, new average?

A. 27

B. 26

C. 25

D. 24

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Correct Answer: Option C

Explanation:
Net zero change. Average remains 25.

This question belongs to: Maths Average

Question #2

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Average of 885,1180,1475 is

A. 1170

B. 1180

C. 1190

D. 1175

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Correct Answer: Option B

Explanation:
3540/3=1180.

This question belongs to: Maths Average

Question #3

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The average of 7 numbers is 28. If one number is 40, find the average of the remaining 6.

A. 24

B. 27

C. 26

D. 25

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Correct Answer: Option C

Explanation:
Sum=7×28=196. Remaining sum=196-40=156. Average=156/6=26.

This question belongs to: Maths Average

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