Question

The simple interest on a sum of money for 5 years is 3/5 of the sum.find the rate per cent per annum

Answer 1

12% is the rate percent take si 3/5x and principal is x

Answer 2

Answer:

Let Rsx be the sum.

so,the simple interest will be $\frac{3x}{5}$

S.I.= $\frac{P×R×T}{100}$

$\frac{3x}{5}$ = $\frac{x×R×5}{100}$

R = $\frac{3x × 100}{5 × x × 5}$

R = 12%