A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of the son is?  Choose the correct option
A) 11  B) 25  C) 27  D) 22  E) 91

Rationale: "let the son ' s present age be x years . then , man ' s present age = ( x + 24 ) years . ( x + 24 ) + 2 = 2 ( x + 2 ) x + 26 = 2 x + 4 = > x = 22 . answer : d"
Answer: D