Mahibur paid an interest of Rs. 750 for 2 years on a sum of Rs. 4500 on simple interest. If the rate of interest is x13% p.a, then 'x' is ___.
Mahibur paid an interest of Rs. 750 for 2 years on a sum of Rs. 4500. If the rate of interest is x13, then 'x' is ___.