Average of 15 numbers 760. If average of 9 is 755, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 760. If average of 9 is 755, average of remaining 6?

A. 768

B. 767.5

C. 770

D. 765

Answer: Option B

Solution (By JKExamLibrary)

Sum15=11400. Sum9=6795. Remaining=4605. Average=767.5.

This question belongs to: Maths Average

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Question #1

Average of 25 numbers 60. If 5 numbers average 70, average of remaining 20?

A. 58

B. 56

C. 57.5

D. 55

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Correct Answer: Option C

Explanation:
Total=1500. 5=350. Remaining=1150/20=57.5.

This question belongs to: Maths Average

Question #2

The average of 9 consecutive integers is 15. What is the largest integer?

A. 18

B. 19

C. 17

D. 20

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Correct Answer: Option B

Explanation:
Middle (5th) is 15. Largest =15 +4 =19.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 830. If average of 6 is 825, average of remaining 4?

A. 835

B. 836

C. 840

D. 837.5

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Correct Answer: Option D

Explanation:
Sum10=8300. Sum6=4950. Remaining=3350. Average=837.5.

This question belongs to: Maths Average

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