Answer:
What is 9 added to any number ending in 1
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
How tall is a spider?
What do elfs learn in school?
The Titanic is still chilling there!
What did the piece of wood say when he saw the screwdriver and screws approaching?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?