1. What is the difference between a cat and a complex sentence?
2. What has four wheels and flies?
3. What has four legs in the morning, two legs in the afternoon, and three legs at night?
(by the way, this IS one of the original Sphinx riddles)
4. No sooner spoken than broken. What is it?
5. Feed me and I live. Give me a drink and I die. What am I?
6. I pass before the sun, yet make no shadow.
7. This is a light as a feather, yet no man can hold it for long.
8. If you break me, I'll not stop working. If you can touch me, my work is done. If you lose me, you must find me with a ring soon after.
9. What may go up a chimney down but cannot go down a chimney up?
10. We are very little creatures; all of us have different features. One of us in glass is set; one of us you'll find in jet. Another you may see in tin, and a fourth is boxed within. If the fifth you should pursue, it can never fly from you.
What are we?
11. Where may you find roads without carts, forests without trees, cities without houses?
12. I have a hundred legs but cannot stand, a long neck but no head; I eat the maid's life.
13. Cannot be seen, cannot be felt, cannot be heard, cannot be smelt. It lies behind the stars and beneath the hills. Ends life and kills laughter.
14. This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head has a face.
15. What builds up castles, tears down mountains, makes some blind, helps others to see?
16. What lives in winter, dies in summer, and grows with its roots upward?
17. Man walks over; man walks under; in time of war he burns asunder?
18. What has eyes yet cannot see? (this has more than one possibly answer).
19. In a tunnel of darkness lies a beast of iron. It can only attack when pulled back.
20. Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.