Question

the population of a city is 7.26 lakh today . if the population has been increasing at the rate of 10% per year,then 2 year ago the population could

Answer 1

Let's do it step-by-step :-

The population today is 7,26,000
Let's find the 10% of the population today

10/100*726000
= 72,600

Now you're saying that 2 year ago so,
Multiply it with 2

72,600*2
=1,45,200

Now for the final step, subtracting
7,26,000 - 1,45,200
= 5,80,800

The answer is 5.808 Lakhs...