The sum of the first 25 odd numbers starting from 1 is 625.
Understanding the Sum of Odd Numbers
The sum of the first n odd numbers is equal to n2. This is a well-known mathematical property. Therefore, to find the sum of the first 25 odd numbers, we simply need to calculate 252.
Calculation
252 = 25 * 25 = 625
Reference Confirmation
According to a previous calculation, the number series 1, 3, 5, 7, 9, . . . . , 49 shows that 625 is indeed the sum of the first 25 odd numbers (as stated on 15-Jul-2020).
Table Summary
| Number of Odd Numbers | Sum |
|---|---|
| 25 | 625 |
