Question

At what rate per cent per annum simple interest will a sum double itself in 12 years
​

Answer 1

Answer:

The rate will be 8.33°/. pee annum

Step-by-step explanation:

Let the principal/sum be $100

Amount=$2×100=$200

Interest=Amount - Principal

Interest=$200 - $100

Interest=$100

Time=12years

Rate=S.I × 100/P × T

Rate=100×100/100×12

Rate=8.33°/.