P n C, A person wishes to make sa many diffrent parties as he can out of 20 friends,eachparty consisting of

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Title: P n C

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Posted On: Dec 23, 2011 03:57 PM

A person wishes to make sa many diffrent parties as he can out of 20 friends,eachparty consisting of the same number.How many should he invite at a time? In how many of these would the same man be found?

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priyaranjan kuamr
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pranjal shukla

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Dec 23, 2011 08:53 PM

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