Average of 4,8,12,...,36 is MCQ with Answer and Explanation

Average of 4,8,12,...,36 is

A. 20

B. 18

C. 24

D. 22

Answer: Option A

9 numbers. Average=(4+36)/2=20.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 8 numbers 2250. If average of 5 is 2245, average of remaining 3?

A. 2255

B. 2260

C. 2257

D. 2258.33

Correct Answer: Option D

Explanation:
Sum8=18000. Sum5=11225. Remaining=6775. Average≈2258.33.

This question belongs to: Maths Average

Question #2 Report Error

The average of 3 numbers is 12. If the first is 10 and the second is 15, find the third.

A. 11

B. 9

C. 13

D. 12

Correct Answer: Option A

Explanation:
Sum=3×12=36. Third=36-10-15=11.

This question belongs to: Maths Average

Question #3 Report Error

The average of 1050,1400,1750 is

A. 1410

B. 1395

C. 1390

D. 1400

Correct Answer: Option D

Explanation:
4200/3=1400.

This question belongs to: Maths Average