The age of father 7 years ago was five times the age of his son. Five years hence, father's age will be thrice that of his son. The ratio of their present ages is:  Choose the correct choice:
A) 67 : 19	B) 65 : 17	C) 61 : 19	D) 63 : 15	E) 67 : 17
Let the ages of father and son 7 years ago be 5x and x years respectively.   Then, (5x + 7) + 5 = 3[(x + 7) + 5]   5x + 12 = 3x + 36   x = 12.   Required ratio = (5x + 7) : (x + 7) = 67 : 19.   67 : 19nswer: Option 67 : 19
<result>A</result>
The age of father 7 years ago was five times the age of his son. Five years hence, father's age will be thrice that of his son. The ratio of their present ages is: