The average of 5 numbers is 40. If each number is decreased by 5, what is the new average? MCQ with Answer and Explanation

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The average of 5 numbers is 40. If each number is decreased by 5, what is the new average?

A. 35

B. 45

C. 40

D. 30

Answer: Option A

Solution (By JKSSB Mock Tests)

If each number is decreased by a constant, the average also decreases by that constant. New average =40-5=35.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 10 numbers 15. If each multiplied by 3, new average?

A. 45

B. 5

C. 30

D. 15

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Correct Answer: Option A

Explanation:
Multiplied by 3, average 45.

This question belongs to: Maths Average

Question #2

Average of 15,30,45,60 is

A. 35

B. 38

C. 40

D. 37.5

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Correct Answer: Option D

Explanation:
Sum=150. Average=37.5.

This question belongs to: Maths Average

Question #3

If average of 9, 12, 15, x is 13, x is

A. 14

B. 17

C. 16

D. 15

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Correct Answer: Option C

Explanation:
Sum=52. 9+12+15+x=52. x=16.

This question belongs to: Maths Average

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