Answer:
What did zero say to eight?
What did the left eye say to the right eye?
What has eyes but can not see?
What do you call a sleepwalking nun?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
You throw me out when you use me and take me in when you are done.
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?