Research output: Contribution to journalReview articlepeer-review


The puzzle about opening the safe having 10 switches, each of which can be put in three settings, is discussed. There are exactly 310 possible combinations of switch settings. The problem is of opening the safe in as few trials as possible given the setting of two switches.

Original languageEnglish (US)
Pages (from-to)108
Number of pages1
JournalScientific American
Issue number3
StatePublished - Mar 2003

ASJC Scopus subject areas

  • General

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