Average of 5 numbers 22. If average of 3 is 20, average of remaining 2? MCQ with Answer and Explanation

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Average of 5 numbers 22. If average of 3 is 20, average of remaining 2?

A. 24

B. 23

C. 25

D. 26

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum5=110. Sum3=60. Remaining=50. Average=25.

This question belongs to: Maths Average

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Question #1

The average of 36,48,60 is

A. 52

B. 48

C. 50

D. 45

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Correct Answer: Option B

Explanation:
144/3=48.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 2530. If average of 6 is 2525, average of remaining 4?

A. 2535

B. 2540

C. 2537.5

D. 2536

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Correct Answer: Option C

Explanation:
Sum10=25300. Sum6=15150. Remaining=10150. Average=2537.5.

This question belongs to: Maths Average

Question #3

The average of 6 numbers is 28. If two numbers are 22 and 30, find the average of the remaining four.

A. 29

B. 29.5

C. 28

D. 28.5

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Correct Answer: Option A

Explanation:
Sum=6×28=168. Sum of two=22+30=52. Sum of four=116. Avg=116/4=29.

This question belongs to: Maths Average

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