Average of 10 numbers 2530. If average of 6 is 2525, average of remaining 4? MCQ with Answer and Explanation

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

A. 2540

B. 2536

C. 2537.5

D. 2535

Answer: Option C

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Question #1

The average of 5 numbers is 18. If 3 numbers average 15, average of remaining 2?

A. 21

B. 22.5

C. 20

D. 25

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Correct Answer: Option B

Explanation:
Sum5=90. Sum3=45. Remaining=45. Average=22.5.

This question belongs to: Maths Average

Question #2

Average of multiples of 8 from 8 to 64 is

A. 32

B. 36

C. 40

D. 30

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Correct Answer: Option B

Explanation:
(8+64)/2=36.

This question belongs to: Maths Average

Question #3

Average of 6 numbers 45. If average of 4 is 40, average of remaining 2?

A. 50

B. 60

C. 52.5

D. 55

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Correct Answer: Option D

Explanation:
Sum6=270. Sum4=160. Remaining=110. Average=55.

This question belongs to: Maths Average

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