16. What goes up but never comes down?
Answer: Your age.
17. What gets wet while drying?
Answer: A towel.
18. I shave every day, but my beard stays the same. What am I?
Answer: A barber
19. Is it legal for a man to marry his widow’s sister?
Answer: No, but since he’s dead it would be kind of difficult.
20. You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
Answer: All the people on the boat are married.