A sum of money becomes 7/6 of itself in 2 years at a certain rate of simple interest. The rate per annum is?	Answers:
A) 50/9
B) 50/7
C) 50/6
D) 50/8
E) 50/3
Let sum = x. Then, amount = 7x/6   S.I. = 7x/6 - x = x/6; Time = 2 years.   Rate = (100 * x) / (x * 6 * 2) = 50/6 %.   Answer:50/6
<result>C</result>
A sum of money becomes 7/6 of itself in 2 years at a certain rate of simple interest. The rate per annum is?