A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened. A club member knocked on the door and the doorman said, "twelve." The member replied, "six " and was let in. A second member came to the door and the doorman said, "six." The member replied, "three" and was let in. The man thought he had heard enough and walked up to the door. The doorman said ,"ten" and the man replied, "five." But he was not let in.
What should have he said?
I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Thursday, October 06, 2005
Wednesday, October 05, 2005
Chicken and an egg
A man was walking down a road carrying a basket of eggs. As he is walked he met someone who buys one-half of his eggs plus one-half of an egg. A little further and meets another person who buys one-half of his eggs plus one-half of an egg. Later he meets another person who buys one-half of his eggs plus one half an egg. At thispoint he has sold all of his eggs, and he never broke an egg. How many eggs did the man have to start with?
Tuesday, October 04, 2005
Carnival
A lady was at a carnival and went to the booth of the Amazing Psychic.
The Amazing Psychic told her, "If I can write your exact weight on this piece of paper then you must give me 20 but if I cannot I will give you 20."
The lady looked around the room. There were no scales or anything else that could be used to find her weight. She agrees to the bet - certain that the Amazing Psychic could never guess her weight exactly.
In the end the lady had to pay the Amazing Psychic. 20. How did he win the bet?
The Amazing Psychic told her, "If I can write your exact weight on this piece of paper then you must give me 20 but if I cannot I will give you 20."
The lady looked around the room. There were no scales or anything else that could be used to find her weight. She agrees to the bet - certain that the Amazing Psychic could never guess her weight exactly.
In the end the lady had to pay the Amazing Psychic. 20. How did he win the bet?
Monday, October 03, 2005
Not a zebra?
Sunday, October 02, 2005
What's so special?
The following number is the only one of its kind. '8,549,176,320' Can you figure out what is so special about it?
Saturday, October 01, 2005
What am I?
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