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 his son is  Choose the correct choice from the following answers:
A) 20 years	B) 21 years	C) 22 years	D) 24 years	E) none of these

Rationale: "explanation : 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 so , x = 22 option c"
Answer: C