A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

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?

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

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I make two people out of one. What am I?

What has to be broken before you can use it?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.