Question

The simple interest of a sum of money in 5 years is equal to
the half of the sum. Find the rate of interest.
(Ans: 10% per year)​

Answer 1

Step-by-step explanation:

let the sum be x

Then SI=x/2

Then,

R=SI×100/P×T

R=x/2×100/x×5

R=50x/5x

R=10years