Question

if the population in a city has increased from 5,00,000 to 7,00,000 in a year, find the percentage increase in population.​

Answer 1

$\bold{first \:we \: have \: to \: mines \: 500000 \: from \: 700000} \\ \bold{if \: we \: want \: percentage \: we \: divide \:it \: with\:500000\:multiply\:with\:100}\\ \frac{200000}{500000}×100 \\ 40$

So 40 percent is your answer

Answer 2

$\bold{first \:we \: have \: to \: mines \: 500000 \: from \: 700000} \\ \bold{if \: we \: want \: percentage \: we \: divide \:it \: with\:500000\:multiply\:with\:100}\\ \frac{200000}{500000}×100 \\ 40$

So 40 percent is your answer