Answer:
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
What can be as big as an elephant but weighs nothing?
I am the building with the most number of stories.
I always have to work with something in my eye. What am I?
I fly forever Rest never.
When is it bad luck to see a black cat?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic