Question

Simple interest on a sum of money at the end of five years is 4/5 of the sum itself. Find the rate percent per annum.​

Answer 1

Answer:

let the principal be rs. x

so interest=(4/5)x

(4x)/5=(x*5*r)/100

solving we get r= 16

so rate= 16% ans.

Answer 2

Answer:

let the principal be rs. x

so interest=(4/5)x

(4x)/5=(x*5*r)/100

solving we get r= 16

so rate= 16% ans.