The population of Krosur village in 2012 is 6250. If it increases at rate of 8% then the population of the village in 2014 is ………………
The population of Krosur village in 2012 is 6250. If it increases at rate of 8% then the population of the village in 2014 is ………………
A) 7920
B) 7190
C) 7490
D) 7290
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Correct option is (D) 7290
Population of village after 2 years (in 2014)
\(=P(1+\frac R{100})^n\)
\(=6250(1+\frac8{100})^2\) \((\because\) P = 6250, R = 8% and n = 2)
\(=6250(1+\frac2{25})^2\)
\(=6250\times\frac{27^2}{25^2}\)
\(=729\times10=7290\)
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