Can you solve the stolen rubies riddle? - Dennis Shasha
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Townspeople are demanding that a corrupt merchant’s collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the king’s most clever advisor – you. Can you outfox the merchant and win back the greatest amount of rubies to help his victims? Dennis Shasha shows how.
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Additional Resources for you to Explore
Interested in solving more puzzles? Follow The Puzzling Adventures of Dr. Ecco, written by the educator.
Check out “The Pesky Problem of Two Doors,” a riddle published in the New York Times.
Want to continue deep-diving into the world of math? Check out Math for Love.
Check out “The Pesky Problem of Two Doors,” a riddle published in the New York Times.
Want to continue deep-diving into the world of math? Check out Math for Love.

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