Answer:
What's get sharp the more you use it
When does an Irish potato change its nationality?
Why did the man throw the butter out of the window?
What has a tongue but cannot talk, gets around a lot but cannot walk?
What can be right but never wrong?
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?