A man is 27 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 choice from the following options
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 + 27 ) years . ( x + 27 ) + 2 = 2 ( x + 2 ) x + 29 = 2 x + 4 = > x = 25 . answer : b
Answer: B