Reena took a loan of $. 1200 with simple interest for as many years as the rate of interest. If she paid $ 108 as interest at the end of the loan period, what was the rate of interest?
Select the correct option
A) 3.6	B) 6	C) 18	D) 3	E) None of these
Let rate = R% and time = R years.   Then,1200 x R x R/100= 108   12R2 = 108   R2 = 9   R = 3.   Answer:3
<result>D</result>
Reena took a loan of $. 1200 with simple interest for as many years as the rate of interest. If she paid $ 108 as interest at the end of the loan period, what was the rate of interest?