Arithmetic Aptitudes → Average → MCQ Details
MCQ Practice Single Best Answer Topic: Average

Q The average of odd numbers upto 100 is___

Question ID
#5489
Subchapter
Average
Action
Choose one option below

Choose Your Answer

Click an option to check whether your answer is correct.

  • A 49 ✔ ✖
  • B 49.5 ✔ ✖
  • C 50 ✔ ✖
  • D 50.5 ✔ ✖
Correct Answer: C

Explanation

Output:

Sum of odd numbers =1+3+5+7+....+99

=25[2+(50-1)×2]

=2500

Required average=2500/50=50

sum of n terms of an A.P is

½n[2a+(n-1)d]

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