A man is 22 years older than his son. In two years, his age will be twice the age of his son. The present age of this son is Choose the correct choice from the following choices.
A) 21 years
B) 22 years
C) 20 years
D) 24 years
E) 26 years

Rationale: "explanation : let ' s son age is x , then father age is x + 22 . = > 2 ( x + 2 ) = ( x + 22 + 2 ) = > 2 x + 4 = x + 24 = > x = 20 years option c"
Answer: C