Puzzle #1: The Doctor and the Lawyer.

Here is an interesting puzzle. Try solving it.

One of Mr.Horton, his wife, their son and Mr.Horton's mother is a doctor and another is a lawyer.

a. If the doctor is younger than the lawyer then the doctor and the lawyer are not blood relatives
b. If the doctor is a woman, then the doctor and the lawyer are blood relatives
c. If the lawyer is a man, then the doctor is also a man.

Whose occupation do you know?

Click here to know the answer.

Source :  George Summer's  Book.