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![[Post New]](/templates/default/images/icon_minipost_new.gif) 9 Jun 2007 10:59:43 IST
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number of identical diamonds = n
.: number of ways of arranging these in a circle is (n-1)!/n
similarly for pearls .... total ways = (k-1)!/k
So total ways of arranging the diaomds and the pearls
=[(n-1)!(k-1)!]/nk
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