Riddles

Riddles
1 .When is a door not a door?
2. What has a mouth but cannot eat what moves but has no legs and has bank but cannot put money in it?
3. What stinks when living and smells good when dead?
4. Why wasn’t Bertha put in jail after killing dozens of people?
5. What goes up and never comes down?
6. What do you serve that you can’t eat?
7. What has no beginning, middle or end?
8. I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?
9. What is black when you buy it, red when you use it and gray when you throw it away?
10. I pass before the sun yet make no shadow. What am I?