Answer:
What goes up the hill and down the hill, And spite of all, yet stand still?
A boy throws a baseball. It travels 40 feet and then goes right back to the boy. How is that possible?
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?
How can you place a pencil on the floor so that no one can jump over it?
When can you add two to eleven and get one as the correct answer?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?