Average of 25 numbers 60. If 5 numbers average 70, average of remaining 20? MCQ with Answer and Explanation

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Average of 25 numbers 60. If 5 numbers average 70, average of remaining 20?

A. 58

B. 55

C. 56

D. 57.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Total=1500. 5=350. Remaining=1150/20=57.5.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers 2590. If average of 6 is 2585, average of remaining 3?

A. 2598

B. 2605

C. 2595

D. 2600

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Correct Answer: Option D

Explanation:
Sum9=23310. Sum6=15510. Remaining=7800. Average=2600.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 1370. If average of 8 is 1365, average of remaining 4?

A. 1375

B. 1380

C. 1378

D. 1382

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Correct Answer: Option B

Explanation:
Sum12=16440. Sum8=10920. Remaining=5520. Average=1380.

This question belongs to: Maths Average

Question #3

The average of 1320,1760,2200 is

A. 1750

B. 1760

C. 1755

D. 1770

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Correct Answer: Option B

Explanation:
5280/3=1760.

This question belongs to: Maths Average

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