The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is:  Pick one:
A) 12%
B) 40/3%
C) 15%
D) 14%
E) 24%
si of 4 month ie of 1/3 years=122   so p=2562-122= 
<gadget id="calculator">2562-122</gadget>
<output>2_440</output>
2440   now R=(si*100)/p*time   so R=122*100*3/2440*1= 
<gadget id="calculator">122*100*3/2440*1</gadget>
<output>15</output>
15   ANSWER:15%
<result>C</result>
The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is: