Question

find the population of a city after 2 years which is at present 12 lakh , if the rate of increase is 4%

Answer 1

the answer is 12,49,920 after two years

Answer 2

Answer:

Given, present population (p)=12 lakh

rate of increase (R)=4%

Time=2 yr

Population after 2yr=p(1+R/100)²

=1200000(1+4/100)²

=1200000(100+4/100)²

=1200000×(104/100)²

=1200000×104/100×104/100

=120×104×104

=1297920

Hence,the population of the city after 2yr will be 1297920