You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

What brings you down but never up?

When it's bad luck to meet a black cat?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

How can a man go eight days without sleep?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What has one letter and starts with an E?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How can you leave a room with two legs and return with six legs?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?