A man is 46 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:	Options.
A) 44 years	B) 18 years	C) 20 years	D) 22 years	E) 16 years

Rationale: "let the son ' s present age be x years . then , man ' s present age = ( x + 24 ) years . ( x + 46 ) + 2 = 2 ( x + 2 ) x + 48 = 2 x + 4 x = 44 . answer : a"
Answer: A