Question

The sum of first 50 odd natural numbers is
​

Answer 1

Here Is Your Ans

******

$sum = \frac{n}{2} (2a + (n - 1)d) \\ \\ sum = \frac{50}{2} (2 \times 1 + 49 \times 2 \\ \\ sum = 25 (2 + 98) \\ \\ sum = 25 \times 100 \\ \\ sum = 2500$

******

Follow Me