Question

At what rate of simple interest per annum will a sum become 7/4 of itself in 4 years. Explan

Answer 1

Let sum is Rs. 100 ,then it become 7/4 times i.e. Rs. 700/4 in 4 years.

Interest = (700/4)-100 = Rs. 300/4;

Hence, Rate = Total interest/ given time = 300/4*4 = 300%.

Answer 2

let sum is Rs 100 then it becomes 7/4times Eg :700/4 in 4years
interest= (700/4)-100=Rs 300/4
hence rate =total interest /given time
=300/4*4=300%