Question

Population of the village decreasee at the rate of 12%pa.If its population 2 years ago was 62500.Find its present population

Answer 1

$using \: formula \: of \: compound \: interest = p {(1 - \frac{r}{100}) }^{t} \\ = 62500 {(1 - \frac{12}{100}) }^{2} \\ = 62500 \times {0.88}^{2} \\ = 48400$
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