Question

The population of a town increases by 4percent every year if its current population is 1.6lakh then how much was the population ayear ago

Answer 1

Step-by-step explanation:

present population 1.6lakhs

let ayear ago population X

then acc. to problems

$4x \div 100 = 1.6 \\ then \\ x = 160 \div 4 = 40$