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. 8

B. 7

C. 6

D. 9

Answer: Option A

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 20 numbers is 45. Later two numbers 30 and 50 replaced by 40 and 60, new average?

A. 47

B. 44

C. 45

D. 46

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Correct Answer: Option D

Explanation:
Net change +20. Increase 1. New average=46.

This question belongs to: Maths Average

Question #2

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The average weight of 8 persons increases by 2.5 kg when one person weighing 65 kg is replaced by a new person. What is the weight of the new person?

A. 85

B. 75

C. 80

D. 90

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Correct Answer: Option A

Explanation:
Increase in total weight = 8 × 2.5 = 20 kg. New person weight = 65 + 20 = 85 kg.

This question belongs to: Maths Average

Question #3

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Average of 15 numbers 95. If average of 9 is 90, average of remaining 6?

A. 102.5

B. 98

C. 105

D. 100

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Correct Answer: Option A

Explanation:
Sum15=1425. Sum9=810. Remaining=615. Average=102.5.

This question belongs to: Maths Average

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