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. 30

B. 36

C. 32

D. 35

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 1060. If average of 9 is 1055, average of remaining 6?

A. 1068

B. 1065

C. 1070

D. 1067.5

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Correct Answer: Option D

Explanation:
Sum15=15900. Sum9=9495. Remaining=6405. Average=1067.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 numbers 1650. If average of 5 is 1645, average of remaining 3?

A. 1657

B. 1658.33

C. 1655

D. 1660

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Correct Answer: Option B

Explanation:
Sum8=13200. Sum5=8225. Remaining=4975. Average≈1658.33.

This question belongs to: Maths Average

Question #3 Report Error

The average of 20,40,60,80,100 is

A. 50

B. 60

C. 70

D. 55

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Correct Answer: Option B

Explanation:
300/5=60.

This question belongs to: Maths Average

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