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1. 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?

2. Sometimes this planet of our solar system is referred to as the evening star because it shines so brightly in the early evening. Which planet happily maintains this epithet?
Venus
Mars
Mercury
Jupiter

3. If you were locked in a concrete room with no windows or doors, and all you have with you is a bed and a calendar, what would you eat and drink?

4. During a baseball game in Mudville, Casey was Mudville's lead-off batter. There were no substitutions or changes in the batting order of the nine Mudville men throughout the nine-inning game. It turned out that Casey came to bat in every inning. What is the least number of runs Mudville could have scored?

5. What relation would your father's sister's sister-in-law be to you?

6. If three cats catch three mice in three minutes, how many cats would be needed to catch 100 mice in 100 minutes?

7. In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city's phone directory, how many people selected will have unlisted phone numbers?

8. The day before yesterday, Chris was 7 years old. Next year, she'll turn 10. How is this possible?

9. On December 10th, 1967, four band members of the Bar-Kays perished in a plane crash in Lake Monona, near Madison, Wisconsin. Also killed was a singer who will always be remembered for one of the classics. Who was that man?
Richie Havens
J P Richardson
Don McLean
Otis Redding

10. A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?