Good Riddles

Question: Tom wants to send Sally an expensive ring through the mail because they live thousands of miles apart. The only problem is that everything sent through the mail is stolen unless there is a lock put on it. Both Tom and Sally have plenty of locks and keys but they don't have any of the same locks or keys.

How can Tom send Sally the ring without it getting stolen?

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?

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

What am I?