The population of a town increas es by 5% every year. If the present population is 9261, the population 3 years ago was

Options

A. 6000
B. 8000
C. 5700
D. 7500

Answer

B

Explanation

`x (1+ 5/100)^3 = 9261`
` rArr x = (9261)/(21 xx 21 xx 21) xx 20 xx 20 xx 20`
` rArr x = 8000`