Answer:
Two fathers and two sons are in a car, yet there are only three people in the car. How is this possible?
When is homework not homework?
How do you blink twice without blinking twice?
What is as big as you are and yet does not weigh anything?
Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?