The total age of A and B is 14 years more than the total age of B and C. C is how many year younger than A
Choose the correct choice from the following answers:  A) 11  B) 12  C) 13  D) 14  E) 15

Rationale: "explanation : given that a + b = 14 + b + c = > a ? c = 14 + b ? b = 14 = > c is younger than a by 14 years answer : option d"
Answer: D