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1. You can find roads without cars, And roam through forests without trees, Cities exist without houses? Whatever can I be?

2. You are driving in a car at a constant speed. On your left side is a 'drop off' (The ground is 18-20 inches below the level you are traveling on), and on your right side is a fire engine traveling at the same speed as you. In front of you is a galloping horse which is the same size as your car and you cannot overtake it. Behind you is another galloping horse. Both horses are also traveling at the same speed as you. What must you do to safely get out of this highly dangerous situation?

3. Julie is going on an extended trip for three weeks. She lives in a remote area where there are frequent electrical power outages which can last up to three or four days. Julie has quite a bit of food in her freezer which would go bad if it thawed and then re-froze. She does have digital clock and a VCR which would flash 12:00 if the power went out. Unfortunately the clock and VCR flash even if the power only goes out for a few seconds. What can Julie do so that when she returns home she will be able to determine whether the power was out long enough to thaw her food? Asking a neighbor whether the power was out, isn't a reliable option because the nearest house is half a mile away, and one house may have power, while another house may have no power. She won't be able to have a neighbour check on her house every day, and has no one to house sit.


4. I'm not an airplane, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?

5. What is the fastest time that a group of four people can row to the other side of the river with the following rules in place?
The speed of the rowers is as follows:
Rower #1 -- rows in 1 minute
Rower #2 -- rows in 2 minutes
Rower #5 -- rows in 5 minutes
Rower #10 -- rows in 10 minutes
All four people must get to the other side of the river using the rowboat
Only two people can travel in, on, or around the boat at any one time.
The person in the boat who rows at the slowest speed must do the rowing (they travel at the speed of the slowest person).

6. The "he" puzzle: Name an English word of more than 2 letters that both begins and ends with the letters 'he' (in that order). (Actually, there are two possible correct answers -- and "hehe" is not an acceptable solution.)

7. What kind of cheese is made backwards?

8. Hundreds of years ago, a king of an Asian country who lived in a port city, received a visit from a king of adjacent country, his friend. The visitor brought a present with him. It was an elephant. The visitor gave it and said, "Can you measure the elephant's rough weight in a day?" The king of the port city consulted with the retainers. "We just have beam scales weighing bags. Do you have any ideas?" One vassal said, "I can make the relevant measuring equipment assembling large levers and pulleys, your majesty." "Can you make it in a day?" "......I can't." Another vassal said, "How about weighing in pieces after killing the elephant?" "I won't." At last they found the method and measured the elephant's approximate weight without sophisticated devices. What was the method?

9. There are eight ways a baseball player can legally reach first base without getting a hit. Name them.

10. You have four unmarked bottles of pills each containing 100 tablets. One bottle of pills is poisoned. The good pills weigh exactly 1 gram a piece. The poisoned ones weigh exactly 1.1 gram a piece. You also have use of a scale, but can only use it one time. How can you determine with certainty which bottle of pills is poisoned?