Find the average of first 91 natural numbers.

  1. 45
  2.  49
  3.  6
  4.  46
Gaurav Pal Default Asked on 29th July 2015 in Maths.
Add Comment
1 Answer(s)

Answer: (4) 46
Explanation:-
Formula-
The sum of natural numbers = n(n + 1)/2
Where, ‘n’ denotes the numbers observation.

Then, the sum of first 91 natural numbers = 91 (91 + 1)/2
= 91 x 92/2
= 91 x 46
= 4186
Now, the average of first 91 natural numbers = 4186/91
= 46
Hence, the answer is (4) 46.

Anurag Mishra Professor Answered on 29th July 2015.
Add Comment

Your Answer

By posting your answer, you agree to the privacy policy and terms of service.