Average of 10 numbers 1130. If average of 6 is 1125, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 1130. If average of 6 is 1125, average of remaining 4?

A. 1135

B. 1137.5

C. 1140

D. 1136

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum10=11300. Sum6=6750. Remaining=4550. Average=1137.5.

This question belongs to: Maths Average

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Question #1

Average of 16,24,32,40,48 is

A. 34

B. 35

C. 32

D. 30

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Correct Answer: Option C

Explanation:
Sum=160. Average=32.

This question belongs to: Maths Average

Question #2

The average of 5 numbers is 18. If each number is multiplied by 3, what is the new average?

A. 60

B. 36

C. 54

D. 45

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Correct Answer: Option C

Explanation:
New average =18×3=54.

This question belongs to: Maths Average

Question #3

The average of 5 numbers is 33. If each number is decreased by 2, what is the new average?

A. 31

B. 35

C. 33

D. 29

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Correct Answer: Option A

Explanation:
New average =33-2=31.

This question belongs to: Maths Average

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