Question

4) find sum
natural
of all odd number between 1 to 350​

Answer 1

Answer:

30625

Step-by-step explanation:

let us take an AP 1,3,5,......,,349

here we find out that : 349=1+(n-1)*2

n=175

sum of odd no.s = n^2

here n= 175

therefore, n^2 = 30625

Answer 2

Answer:

30625 ctitiftdtdtctt88ddt