Answer:
What is the only question you can't answer yes to?
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?
What is the largest $ amount of change you can have in your pocket without having exact change for $1?
When is homework not homework?
What always comes into a house through the keyhole?
The profession of Jimi Hendrix and Eric Clapton