Question

find the time after which the simple interest on a sum of money will be double the sum at the rate of 10% per annum ​
a) 55%
b) 70 years
c)78%

Answer 1

Answer:

10 years

Step-by-step explanation:

Let

P=x

Then i=x when t=t

R=10

T=I*100/P*R

=100*X/10*X

=10