Answer:
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
How could all of your cousins have an aunt who is not your aunt?
What man can shave 10 times a day and still have a beard?
The more that there is of this, the less you see. What is it?
What is the largest $ amount of change you can have in your pocket without having exact change for $1?
What goes around and around the wood, but never goes into the wood?