Move through this maze to collect 100 points. Pass each way or junction only once. Two arrows indicate your points of entry and exit.
Answer:
Answer:
Tuesday, February 5, 2013
Five Card Trick (Hard)
A mathematician asks a volunteer to give him five cards drawn from a pack of fifty-two. He hands one card back to the volunteer and arranges the remaining four in some sequence he chooses. He then hands the sequence to a second volunteer and leaves the room. His assistant enters. The assistant asks the second volunteer to read out aloud the sequence handed to him. The assistant ponders a little and correctly announces the identity of the card held by the first volunteer. How could this be done? In general, how large a deck of cards can be handled if n cards are drawn initially?
Solution: Click here for the solution!
Solution: Click here for the solution!
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