Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3?

A. 2498

B. 2495

C. 2500

D. 2505

Answer: Option C

Solution (By JKExamLibrary)

Sum9=22410. Sum6=14910. Remaining=7500. Average=2500.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers 1590. If average of 6 is 1585, average of remaining 3?

A. 1605

B. 1595

C. 1598

D. 1600

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Correct Answer: Option D

Explanation:
Sum9=14310. Sum6=9510. Remaining=4800. Average=1600.

This question belongs to: Maths Average

Question #2

The average of 7 numbers is 39. If one number is 48, find the average of the remaining 6.

A. 37.5

B. 36.5

C. 38

D. 37

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Correct Answer: Option A

Explanation:
Sum=7×39=273. Remaining sum=273-48=225. Avg=225/6=37.5.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 1630. If average of 6 is 1625, average of remaining 4?

A. 1635

B. 1637.5

C. 1636

D. 1640

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Correct Answer: Option B

Explanation:
Sum10=16300. Sum6=9750. Remaining=6550. Average=1637.5.

This question belongs to: Maths Average

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