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Average of first 'N' odd natural numbers is 27. What is the value of 'N'?
Question

Average of first 'N' odd natural numbers is 27. What is the value of 'N'?

A.

23

B.

25

C.

27

D.

29

Correct option is C

Given:
Average of first N odd natural numbers = 27
Formula Used:
The average of the first N odd natural numbers is strictly equal to N.
Solution:
Using the mathematical property of the arithmetic progression of odd numbers, the average of the first N odd natural numbers is simply N itself.
N = 27
Final Answer
So the correct answer is (c)

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