If eleven plus two equals one, what does nine plus five equal?

What has many keys but can’t open a single lock?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

What breaks yet never falls, and what falls yet never breaks?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?