Question

If the population of a town decreases in two consecutive years 5% and 10%, then the percent of population decrease after 2 years is​

Answer 1

Answer:

Correct option is A)

Present population, P=68590

Let R=5%

The population three years ago 

= =(1−100R)3P=(1−1005)368590=(2019)368590=19×19×1968590×20×20×20=6859548720000=80,000