A man is 20 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is: Select.
A) 14 years  B) 18 years  C) 20 years  D) 22 years  E) 16 years
Let the son's present age be x years. Then, man's present age = (x + 24) years.   (x + 20) + 2 = 2(x + 2)   x + 22 = 2x + 4   x = 18.   answer :18 years
<result>B</result>
A man is 20 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is: