Question

rs 1200 is invested at 8% simple interest per annum .in how much time will it double itself

Answer 1

12.5 yrs is the correct answer

Answer 2

Answer:

We know that SI = PRT/100

We know that SI = A - P.

A - P = PRT/100

2400 - 1200 = 1200 * 8 * T/100

1200 = 96T

T = 1200/96

   = 12.5 years.

                                                      

Hope this helps!