Average of 15 numbers 2660. If average of 9 is 2655, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2660. If average of 9 is 2655, average of remaining 6?

A. 2667.5

B. 2670

C. 2668

D. 2665

Answer: Option A

Solution (By JKExamLibrary)

Sum15=39900. Sum9=23895. Remaining=16005. Average=2667.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 1 to 25 is

A. 13

B. 12

C. 12.5

D. 13.5

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Correct Answer: Option A

Explanation:
(25+1)/2=13.

This question belongs to: Maths Average

Question #2

The average of 6 consecutive even numbers is 25. What is the largest number?

A. 30

B. 28

C. 32

D. 34

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Correct Answer: Option A

Explanation:
Numbers are 20,22,24,26,28,30. Their average is 25. Largest number = 30.

This question belongs to: Maths Average

Question #3

The average weight increases by 1 kg when one of 60 kg is replaced by new. For 10 people, new weight?

A. 80

B. 65

C. 70

D. 75

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Correct Answer: Option C

Explanation:
Increase 10*1=10. New weight=60+10=70 kg.

This question belongs to: Maths Average

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