True or False:
Mean of first n odd natural numbers is n.

The mean of first 10 natural numbers is

The arithmetic mean of first n odd natural numbers is :

Statement 1 The difference between the sum of the first 100 even natural numbers and the sum of the first 100 odd natural numbers is 100. Statement 2 The difference between the sum opf the first n even natural numbers and sum of the first n odd natural numbers is n.

Find the mean of first five natural numbers.

Find the sum of first n natural numbers.

The sum of the first n odd number is :

By the Principle of Mathematical Induction, prove the following for all n in N : 1+3+5+....... +(2n-1) =n^2 i.e. the sum of first » odd natural numbers is n^2 .

If the sum of first n even natural numbers is equal to k times the sum of first n odd natural numbers, then k is equal to: