The sum of the present age of Henry and Jill is 40. What is their present ages if 11 years ago Henry was twice the age of Jill? Pick.
A) and 27 B) and 24 C) and 23 D) and 29 E) of these

Rationale: "let the age of jill 11 years ago be x , age of henry be 2 x x + 11 + 2 x + 11 = 40 x = 6 present ages will be 17 and 23 answer : c"
Answer: C