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:	Answers.
A) 12 years	B) 11 years	C) 10years	D) 20 years	E) 9 years
Answer: Option D   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.
<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: