The difference between the simple interest received from two different sources on Rs.1600 for 3 years is Rs.13.50. The difference between their rates of interest is	Choose one
A) 0.1% B) 0.28% C) 0.35% D) 0.42% E) 0.5%
(1600xR1x3)/100-(100xR2x3)/100 =13.50   4800(R1-R2)=1350   R1-R2 = 1350/4800=0.28%   answer : 0.28%
<result>B</result>
The difference between the simple interest received from two different sources on Rs.1600 for 3 years is Rs.13.50. The difference between their rates of interest is