Question 71
The population of Varanasi is 2,25,000. If the annual birth rate and death rate are 9 % and 7 %, calculate the population of city after 2 years.
Solution
In this case the net increase per year is (9-7)%=2%.
so after 1 year the increase will be 225000*1.02=229500
After 1 more year the increase will be 229500*1.02=234090
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