Average of 12 numbers 2670. If average of 8 is 2665, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 2670. If average of 8 is 2665, average of remaining 4?

A. 2675

B. 2680

C. 2682

D. 2678

Answer: Option B

Solution (By JKExamLibrary)

Sum12=32040. Sum8=21320. Remaining=10720. Average=2680.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 795,1060,1325 is

A. 1055

B. 1050

C. 1070

D. 1060

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Correct Answer: Option D

Explanation:
3180/3=1060.

This question belongs to: Maths Average

Question #2 Report Error

A group of 5 friends average age 25. If one leaves, average becomes 24. Age of person who left?

A. 29

B. 30

C. 28

D. 31

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Correct Answer: Option A

Explanation:
Sum5=125. Sum4=96. Left=29.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 950. If average of 5 is 945, average of remaining 3?

A. 957

B. 955

C. 960

D. 958.33

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Correct Answer: Option D

Explanation:
Sum8=7600. Sum5=4725. Remaining=2875. Average≈958.33.

This question belongs to: Maths Average

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