The rate of simple interest per annum atÂ which a sum of money double itself in 162â„3 yrs. is

The rate of simple interest per annum atÂ which a sum of money doubl

1.	The rate of simple interest per annum atÂ which a sum of money double itself in 162â„3 yrs. is
A.	0.04
B.	0.05
C.	0.06
D.	0.066666666666667
Answer» D. 0.066666666666667