Answer:
How do you discover something that does not exist?
You have a bucket full with 5 gallons of water. What can you ADD to it in order to make it 3 gallons?
What is the only question you can't answer yes to?
What is the difference between yesterday and tomorrow?
What starts with an E, ends with an E & only contains one letter but is not the letter E
When is it bad luck to see a black cat?
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?