Question

The simple interest on a sum of money for 5 years is 3/5 of the sum find the rate per percent per annum?​

Answer 1

Answer:

rate =60 per cent

Step-by-step explanation:

Principal-P

Simple Interest-3/5p

SI-p*r*t/100

3/5p-pr*1/100

3/5-r/100

r-3*5/100

r-60 per cent

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%