Question

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

Answer 1

Answer:

(13)²=169

169 is your answer

Answer 2

Answer:

169

Step-by-step explanation:

We can find the sum without actual addition.

If odd no are given in an order to find the sum like given above.

Count the number of numbers given and square it.

So here 13 no are given square 13.

13^2

13×13

169.

HOPE IT HELPS YOU......