The population of a town 3 years ago was 56000 Due to migration to cities and decreases every year at the rate of 5% per annum. Find its present population.
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Step-by-step explanation:
population is v= 56000
N=3
R=5
P is present population
P=V(1-R/100)^N
=56000(1-5/100)^3
=56000(1-1/20)^3
=56000×19/20×19/20×19/20
= 7×19×19×19
= 48013
Therefore the present population of a town is 48013
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