If the population of a village went from 2105 to 1705, then the percent decrease in population is closest to

If the population of a village went from 2105 to 1705, then the percent decrease in population is closest to

A 19

B 21

C 22

D 29

Solution

Correct Answer: Option A

জনসংখ্যার শতকরা হ্রাস
{(২১০৫ - ১৭০৫)/২১০৫}×১০০
=(৪০০/২১০৫)×১০০
=১৯.০০২৩%
=১৯%