Average of 10 numbers 1630. If average of 6 is 1625, average of remaining 4? MCQ with Answer and Explanation

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

A. 1636

B. 1640

C. 1635

D. 1637.5

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of all numbers from 1 to 60 divisible by 5 is

A. 30

B. 25

C. 35

D. 32.5

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Correct Answer: Option D

Explanation:
5 to 60. 12 numbers. Average 5*(1+12)/2=32.5.

This question belongs to: Maths Average

Question #2

The average of 6 numbers is 28. If two numbers are 22 and 30, find the average of the remaining four.

A. 29

B. 29.5

C. 28

D. 28.5

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Correct Answer: Option A

Explanation:
Sum=6×28=168. Sum of two=22+30=52. Sum of four=116. Avg=116/4=29.

This question belongs to: Maths Average

Question #3

Find the average of all numbers from 1 to 25 that are divisible by 5.

A. 15.5

B. 15

C. 14.5

D. 14

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Correct Answer: Option B

Explanation:
Numbers: 5,10,15,20,25 sum=75, count=5, avg=15.

This question belongs to: Maths Average

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