What kind of storm is always in a rush?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

How can a man go eight days without sleep?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

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

Move four matchsticks to the below square to form three squares?

81 x 9 = 801. What must you do to make the this equation true?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?