Average of 1 to 20 is MCQ with Answer and Explanation

Average of 1 to 20 is

A. 10

B. 11

C. 9.5

D. 10.5

Answer: Option D

(20×21)/2 /20 =10.5.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 20 and 40 is 30, average of 40 and 60 is 50, average of 20,40,60 is

A. 38

B. 45

C. 40

D. 42

Correct Answer: Option C

Explanation:
Sum=120. Average=40.

This question belongs to: Maths Average

Question #2 Report Error

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

A. 1737.5

B. 1735

C. 1740

D. 1736

Correct Answer: Option A

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

This question belongs to: Maths Average

Question #3 Report Error

Average of 315,420,525 is

A. 420

B. 415

C. 430

D. 410

Correct Answer: Option A

Explanation:
1260/3=420.

This question belongs to: Maths Average