How many places are there on earth where one could walk one mile south, then one mile west, then one mile north and end up in the same spot? Assume the earth is a solid smooth sphere.
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Who is the murderer? Th is is a story about three people (A, B and C) crossing a desert. A hated C and decided...
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100 Gold Coins Five pirates have obtained 100 gold coins and have to divide up the loot. The pirates are all...
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A inch diameter round pizza has been sliced by straight cuts, leaving a right triangle in the middle as shown here The edge of the...
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