Answer:
What always comes into a house through the keyhole?
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
How do you blink twice without blinking twice?
You can see me when two prisons throw light from one side and other side but odd number?
How do you discover something that does not exist?
What can you lose that will cause other people to lose theirs too?
Logic
Animal
Difficult
Easy
Food
Funny
Kids
What am I?