What is the rate percent when the simple interest on Rs.1600 amount to Rs.200 in 4 Years?
Pick:
A) 4% B) 3.125% C) 5% D) 6% E) 7%
Interest for 1 year = 200/4= 
<gadget id="calculator">200/4</gadget>
<output>50</output>
50   Interest on Rs 1600 p/a= 50   interest rate = 50/1600*100= 
<gadget id="calculator">50/1600*100</gadget>
<output>25/8 = around 3.125</output>
3.125%   Answer : 3.125%
<result>B</result>
What is the rate percent when the simple interest on Rs.1600 amount to Rs.200 in 4 Years?