Answer:
A boy throws a baseball. It travels 40 feet and then goes right back to the boy. How is that possible?
How do you discover something that does not exist?
How is it possible to always find what your looking for in the last place you look?
Is an older one-hundred dollar bill worth more than a newer one?
How can you throw a ball 20 meters, and have it come back to you without hitting anything?
When is it bad luck to see a black cat?