The difference between the simple interest received from two different sources on Rs.1500 for 3 years is Rs.13.50. The difference between their rates of interest is
Choose the most appropriate option.
A) 0.1%  B) 0.2%  C) 0.3%  D) 0.4%  E) 0.5%
(1500xR1x3)/100-(100xR2x3)/100 =13.50   4500(R1-R2)=1350   R1-R2 = 1350/4500= 
<gadget id="calculator">1350/4500</gadget>
<output>3/10 = around 0.3</output>
0.3%   answer : 0.4%
<result>D</result>
The difference between the simple interest received from two different sources on Rs.1500 for 3 years is Rs.13.50. The difference between their rates of interest is