What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?  Choose the correct choice from the following:  A) 5%  B) 8%  C) 3%  D) 9%  E) 1%
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?