The population of a city increases by 6% per year but due to migration it decrease by 1% per years. What will be the percentage increase in population in 3 years? Choose one.
A) 9%
B) 9.27%
C) 27%
D) 15.76%
E) None of these
Actual increase in population=5%   Let, earlier population=100 then the population after 3 years   =100(1+5/100)^3=115.7625   ∴Required percentage=15.7625%   ANSWER:15.76%
<result>D</result>
The population of a city increases by 6% per year but due to migration it decrease by 1% per years. What will be the percentage increase in population in 3 years?