Average of 21, 28, 35, 42 is MCQ with Answer and Explanation

Average of 21, 28, 35, 42 is

A. 32

B. 31.5

C. 33

D. 30

Answer: Option B

Sum=126. Average=31.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 18,27,36,45 is

A. 31.5

B. 30

C. 32

D. 33

Correct Answer: Option A

Explanation:
Sum=126. Average=31.5.

This question belongs to: Maths Average

Question #2 Report Error

The average of 7 numbers is 28. If one number is 40, find the average of the remaining 6.

A. 24

B. 26

C. 25

D. 27

Correct Answer: Option B

Explanation:
Sum=7×28=196. Remaining sum=196-40=156. Average=156/6=26.

This question belongs to: Maths Average

Question #3 Report Error

Average of 15 numbers 25. If each increased by 3, new average?

A. 27

B. 25

C. 28

D. 26

Correct Answer: Option C

Explanation:
New average =25+3=28.

This question belongs to: Maths Average