Question

in what time will the sum of money double itself at 15%per annum

Answer 1

This is ur ans hope it will help you in case of any doubt comment below

Answer 2

Let the sum and simple interest be x.

We know that SI = PTR/100.

T = 100 * SI/P * R

   = 100 * x/x * 15

   = 100/15

   = 20/3

    = 6 2/3.


Hope this helps!