Average of 40 numbers 30. If 10 numbers average 40, average of remaining 30? MCQ with Answer and Explanation

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Average of 40 numbers 30. If 10 numbers average 40, average of remaining 30?

A. 26.67

B. 25

C. 27

D. 28

Answer: Option A

Solution (By JKExamLibrary)

Total=1200. 10=400. Remaining=800/30≈26.67.

This question belongs to: Maths Average

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What is the average of the first 5 multiples of 3?

A. 9

B. 12

C. 8

D. 10

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Correct Answer: Option A

Explanation:
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This question belongs to: Maths Average

Question #2 Report Error

Find the average of the first 5 multiples of 7.

A. 21

B. 22

C. 20

D. 19.5

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Correct Answer: Option A

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Question #3 Report Error

Average of 1545,2060,2575 is

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D. 2050

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