What Color Is the Bear?
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A hunter leaves his campsite and travels one mile due south. He then travels one mile due east, where he shoots a bear. He drags the bear back to his campsite by traveling one mile due north. What color is the bear?
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Contributed by: John Kiehl (March 2011)
Open content licensed under CC BY-NC-SA
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There is one campsite at the North Pole that satisfies the puzzle, but surprisingly, an infinity of sites near the South Pole. To understand this, just imagine that the eastward leg of the journey completes one (or more) complete circles around the South Pole.
Permanent Citation
"What Color Is the Bear?"
http://demonstrations.wolfram.com/WhatColorIsTheBear/
Wolfram Demonstrations Project
Published: March 7 2011