The population of a town increased from 145000 to 200000 in a decade. What will be the simple growth rate percent of population per annum?

Question

Question

This question was previously asked in

SSC GD Constable (2022) Official Paper (Held On : 10 Jan 2023 Shift 4)

Answer 1

Given:

Initial population (P1) = 145,000

Final population after a decade (P2) = 200,000

Time (t) = 10 years

We need to find:

Simple growth rate per annum (r)

The formula for simple growth rate is given by:

r = ((P2 - P1)/P1)/t

Where:

P2 is the final population,

P1 is the initial population,

r is the simple growth rate,

t is the time (in years).

We plug in the values:

r = ((200000 - 145000)/145000) × 10

r = (55000 / 145000) × 10

r = 0.03793 × 10

r = 3.793%

So, the simple growth rate of the population per annum is approximately 3.793%.