1.

4) find sumnaturalof all odd number between 1 to 350​

Answer»

ong>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



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