The population of a town was 1 lakh. It increases by 10% every year for two years and then decreases by 10% every year for next two years. what is the population at the end of these four years?
Answer (1)
2nd Dec, 2019
Hi Simran,
So the population of a town is 1,00,000
As it increases by 10%, population after 1 year will be 1,10,000
Again, after two years, it will be 1,21,000
It decreases by 10%. So, the population after three years is 1,08,900
Again, it decreases by 10%. So, after four years, the total population of the town is 98,010.
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