Here's a few more riddles to tease our brains. Some of these may have been posted before, but the search feature isn't cooperating with me right now. I will post the answers in a day or two, after everyone who wants to participate has done so. 1. A drawer contains 10 brown socks and 10 black socks. In the dark, how many socks must you remove before you're guaranteed to have a pair of matching socks? 2. If a man and a half can catch a fish and a half in a day and a half, how many fish will six men catch in seven days? 3. A right-handed glove is turned inside out. The glove can now be worn on the left hand. Is the material that was touching the palm of the right hand now touching the palm of the left hand? 4. A man transports a fox, a duck and corn in a boat. The boat is only capable of transporting the man and one of the other three with each crossing. How did he succeed in crossing them all without letting the fox eat the duck or the duck eat the corn? 5. Take the letters ERGRO. Put three letters in front of this combination and the same three letters behind it to form a common English word. 6. What is black when you buy it, red when you use it and gray when you throw it away? 7. Would you rather a crocodile attack you or an alligator? 8. One brick is one kilogram and half a brick heavy. How heavy is one brick? 9. You are in a dark room with a candle, a wood stove and a gas lamp. If you only have one match, what do you light first? 10. A lily pad doubles in size each day. In 28 days, the lily pad will cover the entire pond. In how many days will the pond be half covered? 11. What is unusual about these words: assess, banana, dresser, grammar, potato, uneven and voodoo? 12. If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now? 13. What do you throw out when you want to use it but take in when you don't want to use it? 14. What is bought by the yard and worn by the foot? 15. Before Mount Everest was discovered, what was the highest mountain on earth? 16. A 29-inch x 29-inch square metal plate needs to be fixed by a carpenter onto a wooden board. The carpenter uses nails all along the edges of the square so that there are 30 nails on each side of the square. Each nail is at the same distance from the neighboring nails. How many nails does the carpenter use? 17. What is represented by this brain teaser? William March/William June/William September/William January 18. A doctor in Paris has a brother in Toronto who is a lawyer. The lawyer does not have a brother who is a doctor in Paris. How is this possible? 19. Two ducks in front of a duck, two ducks behind a duck, one duck in the middle. How many ducks?