What is the average of the first 10 odd numbers? MCQ with Answer and Explanation

What is the average of the first 10 odd numbers?

A. 10

B. 10.5

C. 9.5

D. 11

Answer: Option A

Sum of first 10 odd =10^2=100. Average=100/10=10.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 6 numbers is 32. If each number is increased by 5, what is the new average?

A. 32

B. 27

C. 37

D. 42

Correct Answer: Option C

Explanation:
New average =32+5=37.

This question belongs to: Maths Average

Question #2 Report Error

The average of 42,56,70 is

A. 55

B. 50

C. 56

D. 60

Correct Answer: Option C

Explanation:
168/3=56.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers is 25. If 3 is added to each number, what will be the new average?

A. 25

B. 27

C. 26

D. 28

Correct Answer: Option D

Explanation:
When a constant is added to each number, the average also increases by the same constant. New average = 25 + 3 = 28.

This question belongs to: Maths Average