In what time a sum of money double itself at 6% per annum simple interest?  Options.
A) 33 1/8%
B) 16 2/3%
C) 33 7/3%
D) 32 1/3%
E) 23 1/3%
P = (P*6*R)/100   R = 16 2/3%   Answer: 16 2/3%
<result>B</result>
In what time a sum of money double itself at 6% per annum simple interest?