Rani , who is y yr old at present, is x yr older than Hamid 15 yr ago, Hamid's age was `(1)/(4)` of the age of Rani. Which of the following is true ?

Options

A. `2y-x=15`
B. `y/x-15=1/4`
C. 3x-4y=45
D. 3y-4x=45

Answer

D