Average of 8 numbers 2550. If average of 5 is 2545, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2550. If average of 5 is 2545, average of remaining 3?

A. 2558.33

B. 2560

C. 2555

D. 2557

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum8=20400. Sum5=12725. Remaining=7675. Average≈2558.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 2 numbers is 15. If one number is 10, what is the other?

A. 20

B. 15

C. 5

D. 25

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Correct Answer: Option A

Explanation:
Sum =2×15=30. Other =30-10=20.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 2170. If average of 8 is 2165, average of remaining 4?

A. 2182

B. 2180

C. 2175

D. 2178

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Correct Answer: Option B

Explanation:
Sum12=26040. Sum8=17320. Remaining=8720. Average=2180.

This question belongs to: Maths Average

Question #3

The average of 8,16,24,32 is

A. 18

B. 22

C. 24

D. 20

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Correct Answer: Option D

Explanation:
Sum=80. Average=20.

This question belongs to: Maths Average

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