The average of 63,72,81 is MCQ with Answer and Explanation

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The average of 63,72,81 is

A. 75

B. 68

C. 70

D. 72

Answer: Option D

Solution (By JKExamLibrary)

216/3=72.

This question belongs to: Maths Average

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Question #1

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The average of 10 numbers is 15. If each number is increased by 10, what is the new average?

A. 15

B. 25

C. 20

D. 30

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Correct Answer: Option B

Explanation:
New average =15+10=25.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 910. If average of 9 is 905, average of remaining 6?

A. 917.5

B. 920

C. 918

D. 915

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Correct Answer: Option A

Explanation:
Sum15=13650. Sum9=8145. Remaining=5505. Average=917.5.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 38. If average of 9 is 35, average of remaining 3?

A. 47

B. 48

C. 45

D. 50

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Correct Answer: Option A

Explanation:
Sum12=456. Sum9=315. Remaining=141. Average=47.

This question belongs to: Maths Average

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