Description:
Puzzles, problems, and quizzes.
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Enigma 1566 - Consistently older
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Enigma 1566 - Consistently older New Scientist magazine, 7 October 2009. By Richard England. Yesterday was Harry's birthday and also Tom's birthday. Harry is the older. Harry's current age, Tom's current age and the difference between their ages are each the product of two primes. The six primes are... more »
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Probability Of At Least One Chocolate In Dish
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Here is a puzzle given Terry Stickels in the Toronto Daily Star of Nov. 18th, 2009. I and he have a difference in interpretation of this puzzle and hence its solution. Here it is. Diana walks by the candy dish in her home. She knows there are three pieces of candy left in the dish and that those candies are either... more »
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