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 options:	A) 5%	B) 7%	C) 9%	D) 2%	E) 4%
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?