Europe Cake Riddle
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The Same Birthday Riddle
How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?
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Only twenty-three people need be in the room, a surprisingly small number. The probability that there will not be two matching birthdays is then, ignoring leap years, 365x364x363x...x343/365 over 23 which is approximately 0.493. this is less than half, and therefore the probability that a pair occurs is greater than 50-50. With as few as fourteen people in the room the chances are better than 50-50 that a pair will have birthdays on the same day or on consecutive days. Did you answer this riddle correctly?
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YES NO
Billie's Birthday Riddle
Billie was born on December 28th, yet her birthday always falls in the summer. How is this possible?
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Elves In Kindergarten Riddle
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Cakes And Knives
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Thirteenth Birthday
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Surprise Birthday Party Riddle
David is throwing Robert a surprise birthday party but he has to stay within his budget. He spent half of his money plus $2.00 on the cake. Half of what he had left plus $2.00 was spent on balloons and streamers. Then he spent half of what he had left plus $1.00 on candy. Now he is out of money, how much did he start with?
Hint:
This one is best solved working backwards, the last part David spent half of what was left plus $1.00 on candy and then was out of money. That means he must have spent $2.00 on Candy as $1.00 was half of what he had using the same logic backwards: $2.00 on candy $6.00 on Balloons and Streamers $12.00 on the cake Total of $20.00. Did you answer this riddle correctly?
YES NO
YES NO
What Kind Of Room Has No Doors Or Windows Riddle
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Gods Favorite Food Riddle
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Snake's Favorite Subject Riddle
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Baking A Cake Riddle
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A Cows Favorite Day
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Sheep's Favorite Chocolate
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French Cat's Favorite Dessert
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Lions Favorite Cookie Riddle
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