Saved Bookmarks
| 1. |
The average of first 50 natural numbers is …………. . |
|
Answer» The first 50 natural numbers are 1, 2, 3, ..., 50 So, the 1ST term (a₁) = 1, the last term (a₅₀) = 50 Then, the sum of 1st N = 50 natural numbers be = n/2 * (a₁ + a₅₀) = 50/2 * (1 + 50) = 25 * 51 = 1275 Hence, the average of 1st 50 natural numbers be = 1275/50 = 25.5 # |
|