Answer:
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
There were 5 children in a room. Iris drew a picture, Barry played video games, Andrew played chess, and Trina read a book. What is the fifth child, Mindy, doing?
How do you discover something that does not exist?
What can you hold in your right hand but never in your left hand?
What goes up and never comes down?
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?