Fun Riddles

Question: I am a cave full of bones,
and the house of a worm.

What am I?

Question: I have more shoes than anybody,
but less feet than everyone.
I am met in the morning,
but departed in the night.
I may shake as if I'm angry,
but I won't bite.

What am I?

Question: If you have two twins, three triplets and four quadruplets; how many people do you have?

Question: Which side of a cat has the most fur?

Question: A group of ten people are going out for pizza but only two of them have an umbrella to keep them dry. But they manage to walk all the way to the pizza place without getting wet.

How is this possible?