The sum of money will be double itself in 30years and simple interest find rate of interest?  Choose the correct option.
A) A)2.33%	B) B)3.33%	C) C)4.33%	D) D)5.33%	E) E)6.33%
T = 30 years   P= principle amount = x   A = total amount = 2x   SI = simple interest = A-P = 2x-x = x   R = 100SI/PT = 100x/30x =3.33%   Answer is 3.33%
<result>B</result>
The sum of money will be double itself in 30years and simple interest find rate of interest?