Average of 40 numbers is 36. If 4 numbers average 40 removed, new average of 36 numbers? MCQ with Answer and Explanation

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Average of 40 numbers is 36. If 4 numbers average 40 removed, new average of 36 numbers?

A. 36

B. 35.56

C. 34

D. 35

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum40=1440. Sum4=160. Remaining=1280/36≈35.56.

This question belongs to: Maths Average

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Question #1

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A batsman average 40 in 10 innings. To raise average to 42 in 11 innings, runs in 11th?

A. 64

B. 58

C. 62

D. 60

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Correct Answer: Option C

Explanation:
Total for 11=462. In 10=400. Required=62.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers is 25. If 3 is added to each number, what will be the new average?

A. 28

B. 26

C. 25

D. 27

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Correct Answer: Option A

Explanation:
When a constant is added to each number, the average also increases by the same constant. New average = 25 + 3 = 28.

This question belongs to: Maths Average

Question #3

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Average of 765,1020,1275 is

A. 1030

B. 1010

C. 1015

D. 1020

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Correct Answer: Option D

Explanation:
3060/3=1020.

This question belongs to: Maths Average

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