The average of 5 numbers is 24. If each number is divided by 3, what is the new average? MCQ with Answer and Explanation

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The average of 5 numbers is 24. If each number is divided by 3, what is the new average?

A. 6

B. 8

C. 9

D. 7

Answer: Option B

Solution (By JKSSB Mock Tests)

New average =24/3=8.

This question belongs to: Maths Average

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Question #1

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Average of 25 numbers 42. If one number 60 replaced by 30, new average?

A. 40

B. 43

C. 42

D. 41

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Correct Answer: Option D

Explanation:
Change -30, decrease 1.2, new 40.8 approx 41.

This question belongs to: Maths Average

Question #2

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Average of 10 numbers 1480. If average of 6 is 1475, average of remaining 4?

A. 1490

B. 1485

C. 1486

D. 1487.5

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Correct Answer: Option D

Explanation:
Sum10=14800. Sum6=8850. Remaining=5950. Average=1487.5.

This question belongs to: Maths Average

Question #3

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If average of 15 numbers is 40 and one number 50 is replaced by 30, new average?

A. 41

B. 40

C. 38

D. 39

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Correct Answer: Option D

Explanation:
Change -20, decrease 20/15≈1.33, new≈38.67 approx but use exact.

This question belongs to: Maths Average

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