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

Which is the correct shadow of the bird?

What you cannot hold but it is yours?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

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

Can you write down eight eights so that they add up to one thousand?

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?

How many times can you subtract the number 5 from 25?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?