Usha took a loan of Rs. 1500 with simple interest for as many years as the rate of interest. If she paid Rs. 375 as interest at the end of the loan period, what was the rate of interest?	Pick one:
A) 4  B) 5  C) 6  D) 7  E) 8
Let rate = R% and time = R years.   Then, (1500 * R * R) / 100 = 375   15R2 = 375   R2 = 25 =&gt; R = 5   Answer:5
<result>B</result>
Usha took a loan of Rs. 1500 with simple interest for as many years as the rate of interest. If she paid Rs. 375 as interest at the end of the loan period, what was the rate of interest?