Question

The population of a town increase by 5% annually. if the population is now 1,85,220 what was it a year ago?​

Answer 1

Answer:

It was nearly around 1,80,215.

Answer 2

The correct Answer is 1,76,400.

Step-by-step explanation:

Let the number of population in the town be x

A.T.Q,

Given, Rate=5%, Time=1, Principal=x

Growth of population after one year = 1,85,220

So,

=> P(1+R/100)^n

=> x(1+5/100)¹ = 1,85,220

=> x × 21/20 = 1,85,220

=> 21x/20 = 1,85,220

=> 1,85,220 × 20/21

=> 1,76,400

therefore, the required answer is 1,76,400.

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