16. What happens when you throw a green rock into the Red Sea?
17. What is drawn by everyone without pen or pencil?
18. What kind of coach has no wheels?
19. What people travel the most?
20. When a dirty kid has finished taking a bath, what is still dirty?
21. Which is correct, "Nine and five is thirteen," or "Nine and five are thirteen?"
22. If cows talked all at once, what would they say?
23. What bird can lift the most?
24. What did the big chimney say to the little chimney?
25. What do people make that you can't see?
26. What has four legs and a back but no body?
27. What is the best day to go to the beach?
28. What person is always in a hurry?
29. What kind of cup doesn't hold water?
30. If you had to swallow one pill every half hour, how much time would it take for you to swallow three pills?