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Created October 18, 2013 17:31
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ROTW 10/18/2013
You must answer both questions to win ROTW this week. Please PM or email your answers:
Warmup:
My cousin Mary dropped an earring in her coffee, but the earring did not get
wet. How can this be?
The Harem:
The story goes that the harem of the Great Tamerlane was protected by a door with many locks.
The vizier and four slaves were in charge of guarding the door.
Knowledgeable of the weaknesses of the men, the Great Tamerlane had distributed keys in such
a way that the vizier could only open the door if he was with any one of the slaves, and the
slaves could only open it if three of them worked together.
How many locks did the door have?
(You must be able to explain your answer)
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