If average of 6 numbers is 30 and average of 3 is 25, average of remaining 3? MCQ with Answer and Explanation

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If average of 6 numbers is 30 and average of 3 is 25, average of remaining 3?

A. 36

B. 35

C. 30

D. 32

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum6=180. Sum3=75. Remaining=105. Average=35.

This question belongs to: Maths Average

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Question #1

Average of 1335,1780,2225 is

A. 1775

B. 1770

C. 1780

D. 1790

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Correct Answer: Option C

Explanation:
5340/3=1780.

This question belongs to: Maths Average

Question #2

The average of 9 numbers is 28. If one number is 50, find the average of the remaining 8.

A. 25.25

B. 24.75

C. 25.5

D. 26

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Correct Answer: Option A

Explanation:
Sum=9×28=252. Remaining sum=252-50=202. Avg=202/8=25.25.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 1730. If average of 6 is 1725, average of remaining 4?

A. 1737.5

B. 1736

C. 1740

D. 1735

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Correct Answer: Option A

Explanation:
Sum10=17300. Sum6=10350. Remaining=6950. Average=1737.5.

This question belongs to: Maths Average

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