Question

Find the sum of the following numbers without actually adding
1+3+5+7+9+11+13 + 15 +17+19+21 +23+25​

Answer 1

Answer:

it's 169

Step-by-step explanation:

bro the sum of first 'n' odd number is equal to 'n²'

like in your question there 13 no. therefore there sum is

(13)²=169 { it's a short trick}