Average of 15 numbers 1110. If average of 9 is 1105, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 1110. If average of 9 is 1105, average of remaining 6?

A. 1115

B. 1118

C. 1120

D. 1117.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum15=16650. Sum9=9945. Remaining=6705. Average=1117.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 5 numbers is 33. If each number is decreased by 2, what is the new average?

A. 35

B. 31

C. 29

D. 33

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Correct Answer: Option B

Explanation:
New average =33-2=31.

This question belongs to: Maths Average

Question #2

Average of 15 numbers 1560. If average of 9 is 1555, average of remaining 6?

A. 1568

B. 1567.5

C. 1565

D. 1570

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Correct Answer: Option B

Explanation:
Sum15=23400. Sum9=13995. Remaining=9405. Average=1567.5.

This question belongs to: Maths Average

Question #3

The average of 3 numbers is 15. If each number is multiplied by 4, what is the new average?

A. 45

B. 60

C. 30

D. 75

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Correct Answer: Option B

Explanation:
New average =15×4=60.

This question belongs to: Maths Average

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