Question

14. In how much time will a sum of money double if invested at the rate of 8% simple interest per
annum?​

Answer 1

Answer:

12.5%

Step-by-step explanation:

Let the principal be X.

So, Amount=2*X=2X

So, Interest=2X-X=X

SI=P*R*T/100

X=X*8*T/100

100x=8XT

100X/8X=T

T=12.5%