Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3?

A. 2655

B. 2657

C. 2658.33

D. 2660

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum8=21200. Sum5=13225. Remaining=7975. Average≈2658.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 1 to 20 is

A. 9.5

B. 11

C. 10

D. 10.5

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Correct Answer: Option D

Explanation:
(20×21)/2 /20 =10.5.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 1670. If average of 8 is 1665, average of remaining 4?

A. 1675

B. 1678

C. 1680

D. 1682

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Correct Answer: Option C

Explanation:
Sum12=20040. Sum8=13320. Remaining=6720. Average=1680.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 1750. If average of 5 is 1745, average of remaining 3?

A. 1760

B. 1758.33

C. 1757

D. 1755

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Correct Answer: Option B

Explanation:
Sum8=14000. Sum5=8725. Remaining=5275. Average≈1758.33.

This question belongs to: Maths Average

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