What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?	Select the correct option.
A) 5%  B) 7%  C) 2%  D) 1%  E) 9%
160 = (180*4*R)/100   R = 5%   5%nswer: 5%
<result>A</result>
What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?