-
The arithmetic mean (average) of the first 10 whole numbers is
-
- 5
- 4
- 5.5
- 4.5
- 5
Correct Option: D
The first 10 whole numbers are :
0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9
Sum of first 10 whole numbers = 0 + 1 + 2 + 3 +.....+ 9
| Required average = | |
| 10 |
| Required average = | |
| 2 × 10 |
Required average = 4.5
