The difference between simple interest and compound interest on Rs. 1200 for one year at 10% per annum reckoned half yearly is	Choose the correct choice:
A) 2	B) 7	C) 3	D) 0	E) 8
Explanation:   S.I   = Rs.(1200x10x1/100)   = Rs.120.   C.I   = Rs[(1200x1+5/100)² -1200]   = Rs.123.   Difference   = Rs.[123-120]   = Rs. 3.   Answer: 7
<result>B</result>
The difference between simple interest and compound interest on Rs. 1200 for one year at 10% per annum reckoned half yearly is