question_answer

When principal = Rs. S, rate of interest = 2r% p.a   then a person will get the amount after 3 years at compound interest

A)  \[Rs.\,\,S{{\left( 1+\frac{r}{100} \right)}^{3}}\]

B)  \[Rs.\,\,3S\,\,{{\left( 1+\frac{r}{100} \right)}^{3}}\]

C)  \[Rs.\,\,\frac{6Sr}{100}\]                       

D)  \[Rs.\,\,S{{\left( 1+\frac{r}{50} \right)}^{3}}\]

E)  None of these