Reena took a loan of 1500 with simple interest for as many years as the rate of interest. If she paid 735 as interest at the end of the loan period, what was the rate of interest?
Pick
A) 3.6	B) 7	C) 18	D) Cannot be determined	E) None
Explanation: Let rate = R% and time = R years.   Then, (1500 x R x R)/100 = 735   15RÂ² = 735   RÂ² = 49   R = 7.   Answer: Option 7
<result>B</result>
Reena took a loan of 1500 with simple interest for as many years as the rate of interest. If she paid 735 as interest at the end of the loan period, what was the rate of interest?