Question

rs 31250 for 3 years at 8% per annum compound annually.​

Answer 1

Answer:

$\mathfrak \red { \boxed{compound \: int. =Rs. 8116}} \\ \\ \\ \huge \underline{answer \implies} \\ \\ \\ \\ given \: that \: \\ \\ \green{ present \: value = Rs.31250 \: } \\ interest \: rate \: = \: 8 \\ \red{ time = \: 3 \: years \: } \\ \\ amount \: = p { \bigg(1 + \frac{r}{100} \bigg)}^{t} \\ \\ \implies \: 31250 { \bigg(1 + \frac{8}{100} \bigg)}^{3} \\ \\ \implies \: 31250 { \bigg(\frac{27}{25} \bigg) }^{3} \\ \\ \implies \: 31250 \times \frac{19683}{15625} \\ \\ \implies \: 2 \times 19683 \\ amount\implies \: Rs.39366 \\ \\ compound \: interest = Rs.(39366 - 31250) \\ \\ \implies \:Rs. 8166$