Question

the sum of first thirteen odd numbers is ​

Answer 1

We know that the first thirteen odd numbers are

1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25.

let the sum of numbers be X .

Now,

X= 1+3+5+7+9+11+13+15+17+19+21+23+25

=169

therefore , the sum of first thirteen odd numbers is 169

hope you may understand!!!!!

Answer 2

Answer:

The number series 1, 3, 5, 7, 9, 11 , 13 , 15, 17, 19, 21, 23, 25. Therefore, 169 is the sum of first 13 odd numbers.