Good Riddles

Question: You are playing a game of dodge ball with two other people, John and Tom. You're standing in a triangle and you all take turns throwing at one of the others of your choosing until there is only one person remaining. You have a 30 percent chance of hitting someone you aim at, John has a 50 percent chance, and Tom a 100 percent change (he never misses). If you hit somebody they are out and no longer get a turn.

If the order of throwing is you, John, then Tom; what should you do to have the best chance of winning?

Question: The more of me you have, the longer your life.
The more of me you have, the less you have left.

What am I?

Question: A book has 500 pages:

• The 1st page says "Exactly 1 page in this book is false."
• The 2nd page says "Exactly 2 pages in this book are false."
• ...
• The 500th page says "Exactly 500 pages in this book are false."

Question: Tom and Joe want to sit behind each other in class and the teacher arranges them so they are both happy.

How did the teacher do so?

Question: At the sound of me, men may dream, or they may stamp their feet.
At the sound of me, women may laugh, or even weep.

What am I?