Question

Sum of all odd numbers from 1 to 100

Answer 1

(Sum of all consecutive integers from 1 to 100) - (Sum of even consecutive integers from 1 to 100). Sum of odds = (100 x 101/2) - [ (50 x 51)] = 5050 - 2550 = 2500.

UWU

your welcome

Answer 2

Answer:

the formula of the sum of n odd -

$( {n}^{2} )$

where n is the number of digits of odd.

so that , total odd from 1 to 100 :- 25

again,

$= ( {25}^{2} )$

$= (625)$

I hope it will help you.