-
The population of a village has increased annually at the rate of 25%. If at the end of 3 years it is 10,000, the population in the beginning of the first year was
-
- 5120
- 5000
- 4900
- 4500
Correct Option: A
Using Rule 17,
Population in the beginning of the year
| = | Population after 3 years | ||||
 | 1 + |  | Time | ||
| 100 | |||||
| = | 10000 | ||||
| 1 + | | 3 | ||
| 100 | |||||
| = | 10000 | ||||
| | 3 | |||
| 4 | |||||
| = | = 5120 | |
| 125 |
