Average of 8 numbers 85. If average of 5 is 80, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 85. If average of 5 is 80, average of remaining 3?

A. 92

B. 95

C. 93.33

D. 90

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum8=680. Sum5=400. Remaining=280. Average≈93.33.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 2470. If average of 8 is 2465, average of remaining 4?

A. 2480

B. 2478

C. 2482

D. 2475

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Correct Answer: Option A

Explanation:
Sum12=29640. Sum8=19720. Remaining=9920. Average=2480.

This question belongs to: Maths Average

Question #2

The average of 660,880,1100 is

A. 875

B. 870

C. 890

D. 880

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Correct Answer: Option D

Explanation:
2640/3=880.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2360. If average of 9 is 2355, average of remaining 6?

A. 2365

B. 2367.5

C. 2368

D. 2370

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Correct Answer: Option B

Explanation:
Sum15=35400. Sum9=21195. Remaining=14205. Average=2367.5.

This question belongs to: Maths Average

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