A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is?
Pick one:
A) 5 5/9
B) 5 5/7
C) 5 5/2
D) 5 5/8
E) 5 5/1
Let sum = x. Then, amount = 7x/6   S.I. = 7x/6 - x = x/6; Time = 3 years.   Rate = (100 * x) / (x * 6 * 3) = 5 5/9 %.   5 5/9nswer:5 5/9
<result>A</result>
A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is?