Average of 10 numbers 930. If average of 6 is 925, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 930. If average of 6 is 925, average of remaining 4?

A. 935

B. 937.5

C. 936

D. 940

Answer: Option B

Solution (By JKExamLibrary)

Sum10=9300. Sum6=5550. Remaining=3750. Average=937.5.

This question belongs to: Maths Average

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Question #1 Report Error

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

A. 1736

B. 1740

C. 1735

D. 1737.5

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Correct Answer: Option D

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

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 40. If average of 6 is 38, average of remaining 3?

A. 44

B. 46

C. 45

D. 42

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Sum9=360. Sum6=228. Remaining=132. Average=44.

This question belongs to: Maths Average

Question #3 Report Error

The average of 15 observations is 20. If each observation is increased by 3, what is the new average?

A. 23

B. 20

C. 30

D. 17

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
New average = old average + increase =20+3=23.

This question belongs to: Maths Average

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