How can seven trees be planted such that there are six rows of trees in straight lines consisting of three trees?
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Echo , the dolphin
Echo, a dolphin is trying to jump through a circular hole in his enclosure to escape from the aquarium. From echo's perspective just u...
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Circle in a chess board Consider an infinite chessboard, where the squares have side length of 1. The squares are colored black and whit...
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Problem 6: The Two Doors You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don...
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Echo, a dolphin is trying to jump through a circular hole in his enclosure to escape from the aquarium. From echo's perspective just u...
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