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Master | Next Rank: 500 Posts
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by shibal » Thu Jul 16, 2009 4:18 am
Seven men and seven women have to sit around a circular table so that no 2 women are together. In how many different ways can this be done?

i don't have the OA sorry...
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by kaulnikhil » Thu Jul 16, 2009 1:11 pm
7! *6!
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by shibal » Thu Jul 16, 2009 4:00 pm
could u pls give the way you did it?
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by kaulnikhil » Thu Jul 16, 2009 9:52 pm
keep one man fixed .... now u can arrange remaining six men in 6! ways .. there are 7 places left in between these 7 men ..so 7 women can be arranged at 7 places in 7! ways ..
so we have 6!*7!
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