Average of 15 numbers 660. If average of 9 is 655, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 660. If average of 9 is 655, average of remaining 6?

A. 668

B. 665

C. 667.5

D. 670

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum15=9900. Sum9=5895. Remaining=4005. Average=667.5.

This question belongs to: Maths Average

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Question #1

Average of 1455,1940,2425 is

A. 1935

B. 1930

C. 1950

D. 1940

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Correct Answer: Option D

Explanation:
5820/3=1940.

This question belongs to: Maths Average

Question #2

The average of 90,120,150 is

A. 120

B. 130

C. 110

D. 115

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Correct Answer: Option A

Explanation:
360/3=120.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 2640. If average of 6 is 2635, average of remaining 3?

A. 2648

B. 2650

C. 2645

D. 2655

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Correct Answer: Option B

Explanation:
Sum9=23760. Sum6=15810. Remaining=7950. Average=2650.

This question belongs to: Maths Average

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