Average of 12,24,36,48,60,72 is MCQ with Answer and Explanation

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Average of 12,24,36,48,60,72 is

A. 45

B. 36

C. 42

D. 40

Answer: Option C

Solution (By JKExamLibrary)

Sum=252. Average=42.

This question belongs to: Maths Average

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Question #1

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The average of 7 numbers is 48. If each number is increased by 7, what is the new average?

A. 41

B. 55

C. 62

D. 48

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Correct Answer: Option B

Explanation:
New average =48+7=55.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers is 50. If average of 5 is 45, average of other 3?

A. 58.33

B. 60

C. 50

D. 55

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Correct Answer: Option A

Explanation:
Sum8=400. Sum5=225. Remaining=175. Average≈58.33.

This question belongs to: Maths Average

Question #3

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The average of 9 numbers is 25. If one number is 45, find the average of the remaining 8.

A. 22

B. 22.5

C. 23

D. 24

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Correct Answer: Option B

Explanation:
Sum=9×25=225. Remaining sum=225-45=180. Avg=180/8=22.5.

This question belongs to: Maths Average

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