The average of 1, 3, 5, 7, 9, 11, ………..25 term is-

  1.  125
  2. 25
  3.  625
  4.  50
Anurag Mishra Professor Asked on 7th October 2015 in Maths.
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1 Answer(s)

Answer: (2) 25

Explanation:-
Formula-
The sum of first odd natural numbers = n^2

Here, n = 25
Then, the sum of 25 odd natural numbers = 25^2
= 25 x 25
= 625
Then, the average of 25 odd terms = 625/25
= 25

Hence, the answer is (2) 25.

Anurag Mishra Professor Answered on 11th October 2015.
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