Rs. x invested at 9% simple interest per annum for 5 years yields the same interest as that on Rs.y invested at 7.5% simple interest per annum for 4 years. Find x:y?

Rs. x invested at 9% simple interest per annum for 5 years yields the

1.	Rs. x invested at 9% simple interest per annum for 5 years yields the same interest as that on Rs.y invested at 7.5% simple interest per annum for 4 years. Find x:y?
A.	1.8958333333333
B.	0.085416666666667
C.	0.67708333333333
D.	0.33958333333333
Answer» C. 0.67708333333333