Answer:
When is homework not homework?
How is it possible to always find what your looking for in the last place you look?
There is a dog on one side of a lake and a woman on the other. The woman calls the dog over and when he gets there he is not wet at all. How is this possible?
What goes up the hill and down the hill, And spite of all, yet stand still?
What is a ten letter word that starts with gas?
When is it bad luck to see a black cat?