Brainteasers

Test your smarts with the brain teasers below!

1. Two men play five complete games of checkers. Each man wins the same number of games. There are no ties. How? 
2. A farmer has seventeen sheep. All but nine of them die. How many sheep does he have left? 
3. What can you break without touching it?
4. What starts with a P and ends with an E and has a thousand letters in it?
5.  What is it that is deaf, dumb and blind and always tells the truth?

How did you know?

Answers:

1. The two men were not playing against each other 
2. Nine 
3. A promise 
4. The post office  
5. A mirror 

 Brain teasers selected by Ana Pena from http://www.squiglysplayhouse.com.