Question

The present population of a town is 25000.It grows at 4%,5% and 8% during first year, second year and third year respectively. Find its population after 3 year.

Answer 1

present population = 25000

it grows after five years = 8%

so,

population after 3 years ⤵️

==>25000 + 8%of 25000

==>25000+ 2000

==>27000

Answer 2

${\red{hOlA!!!}}$

Population during 3rd year =???

population during 1st year=

=2500+(2500×4/100)
=2500+100
=2600

Population during 2nd year=2600+(2600×5/100)
=2600+130
=2730

During 3rd year=2730+(2730×8/100)
=2730+218.4
=2948.4