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Discussion Response Post to: permutations n combinations

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12 May 2008 09:41:25 IST

Subject: permutations n combinations

chinnu (83)

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total no. of arrangements r 6!
of which a person can have same neighbours twice.
hence the ans is 6!/2
rate me if m correct.

this reply: 2 points (with 0 Olaaa!! Perrrfect answer.

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