Question

. The population of a city was 20,000 in 1997. It increased at the rate of
5% per annum. Find the population of city at the end of the year
2000.​

Answer 1

A=P(1+R/100)^N

=20,000(1+5/100)³

=20,000(1+1/20)³

=20,000(20+1/20)³

=20,000(21/20)³

=20,000×21/20×21/20×21/20

=23,152.5