Question

the population of a city 20000 it increases at the rate of 5%per annum find the population after 3 years​

Answer 1

let year =n(3)

rate =r(5%)

now

20000(1+r/100)^n

20000(1+5/100)^3

20000(1+1/20)^3

20000(21/20)^3

20000(9261/8000)

5*9261/2

5*4630.5

23152.5

or 23153(approx)