Question

find the sum of first 20 odd natural number

Answer 1

Hey Mate ^_^

Sum of first 20 odd natural numbers :-

1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 + 31 + 33 + 35 + 37 + 39 = 400

So, the sum is $\bold{400.}$

⛄MERRY CHRISTMAS⛄