If the simple interest on Rs.3100 amount to Rs. 632.40 in 2 Years, What is the rate percent?  Pick.
A) 11.2%
B) 10.2%
C) 12.2%
D) 13.2%
E) 18.2%
$632.40 = (3100*2*R)/100   R = 10.2%   Answer: 10.2%
<result>B</result>
If the simple interest on Rs.3100 amount to Rs. 632.40 in 2 Years, What is the rate percent?