ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



15 vote

What is the arithmetic mean of first 20 odd natural numbers?

Asked on by | Votes 15 | Views: 1078 | Tags: average     | quantitative aptitude     | Add Bounty

What is the arithmetic mean of first 20 odd natural numbers?
1). 17
2). 19
3). 22
4). 20


Share on Facebook      Share on Whatsapp       Share on Twitter




2 answers

55 vote
Answered by on | Votes 55 |

Sum of first n odd natural numbers = n2.

So, the arithmetic mean of first n odd natural numbers = n2/n = n.

Here n = 20.

∴ the arithmetic mean of first 20 odd natural numbers = 20.
Accepted Answer

Join Telegram Group




1 vote
Answered by on | Votes 1 |

What is the arithematic mean of first 20 odd natural numbers