Son: Dad, Who amongst father and son is more intelligent?
Father: The father, naturally.
Son: Really? Then why did Columbus discover America and not his father!
Wife: Darling now that we are engaged, can you give me a ring?
Husband: Certainly, what's your phone number?
Son: Father, how much am I worth to you?
Father: Why son, you're worth millions to me.
Son: Please can I have some advance of that sum?
Wife: Wherever we keep the money, our son steals it. I don't know what to do about it.
Husband: Keep it in his textbook. He never touches it!
Mom: Can the children travel in the bus on a half ticket?
Conductor: Yes, provided they are less than 12.
Mom: Thank God, I have only 9!