Question

From 1980 - 1990, the population of a country increased by 20%.
From 1990 - 2000, the population of the country increased by 20%.
From 2000 - 2010, the population of the country increased by 20%.
Then the overall increased population (in percentage) of the country from 1980 -2010 was​

Answer 1

The overall increased population will be 60%