The sum of the present ages of father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be:  Choose the correct choice from the following answers:	A) 12 years	B) 14 years	C) 18 years	D) 20 years	E) 22 years
Let the present ages of son and father be x and (60 - x) years respectively.   Then, (60 - x) - 6 = 5(x - 6)   6x = 84 =&gt; x = 14   Son's age after 6 years = (x + 6) = 20 years.   ANSWER:20 years
<result>D</result>
The sum of the present ages of father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be: