The difference between simple and compound interest on Rs. 1700 for one year at 10% per annum reckoned half-yearly is? Choose the most appropriate option:  A) 8.25  B) 4.25  C) 9.25  D) 3.25  E) 2.25
S.I. = (1700 * 10 * 1)/100 = Rs. 170   C.I. = [1700 * (1 + 5/100)2 - 1700]   = Rs. 174.25 Difference = (174.25 - 174)   = Rs.4.25.   Answer:4.25
<result>B</result>
The difference between simple and compound interest on Rs. 1700 for one year at 10% per annum reckoned half-yearly is?