How much time will it take for an amount of Rs. 600 to yield Rs. 12 as interest at 2% per annum of simple interest?	Choose the correct choice:
A) 8 years B) 4 years C) 7 years D) 1 years E) 2 years
Explanation:   Time = (100 x 12)/(600 x 2) years   = 1 years.   Answer: 1 years
<result>D</result>
How much time will it take for an amount of Rs. 600 to yield Rs. 12 as interest at 2% per annum of simple interest?