Question

A sum of rupees 12500 amounts to ruppess
1500 in four years at the rate of
simple interest.what is the rate of interest​

Answer 1

$\huge\bf\red{Answer}$

First let's find the the simple interest.

$s.i = rs \: (15500 - 12500) \\ = rs. \: 3000 \\ s.i = \frac{p.n.r}{100} \\ rate = \frac{100 \times 3000}{ 12500 \times 4}\% \\ = 6\%$

Therefore, the rate is 6%