The difference between the simple interest received from two different sources on Rs.1900 for 3 years is Rs.13.50. The difference between their rates of interest is  Select
A) 0.13%
B) 0.23%
C) 0.33%
D) 0.43%
E) 0.53%
(1900xR1x3)/100-(100xR2x3)/100 =13.50   5700(R1-R2)=1350   R1-R2 = 1350/5700=0.23%   answer : 0.23%
<result>B</result>
The difference between the simple interest received from two different sources on Rs.1900 for 3 years is Rs.13.50. The difference between their rates of interest is