1.

The population of Hyderabad was 68,09,000 in the year 2011. Ifit increases at the rate of47% per annum. What will be the population at the end ofthe year 2015.

Answer»

We can consider the increase in population as a problem of compound interest.

Here, P= 6809000 t= 4 year and r= 4.7%pa

Population at the end of 2015 = P(1+r/100)⁴

= 6809000(1+0.047)⁴=6809000(1.047)⁴= 6809000*1.2016=81,81,694.4≈8181694

Hence the population at the end of 2015 will be 8181694.



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