Answer:
How do you discover something that does not exist?
Is an older one-hundred dollar bill worth more than a newer one?
How can you place a pencil on the floor so that no one can jump over it?
What can I not be tomorrow?
Two fathers and two sons are in a car, yet there are only three people in the car. How is this possible?
What is it that makes tears without sorrow. And takes its journey to heaven?
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?