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?
What can you fill a room with that takes up no space?
Mary gets in the shower, but surprisingly her hair is not wet when she gets out. How is this possible?
When you put this in a heavy wooden box the box will become lighter
What can you stick between a 3 and a 4 so that the result is more than three but less than four?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.