I have an eye but still cannot see.

Who am I?

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

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

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

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The more of this there is, the less you see. What is it?

During which month do people sleep the least?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

The more you take me, the more you leave me behind.
Who Am I?