# SOLUTION: if n people attened a social gathering and each person shakes hands with each of the other peopleexactly once, then the number of handshakesthat will take place is give by the form

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 Question 35709: if n people attened a social gathering and each person shakes hands with each of the other peopleexactly once, then the number of handshakesthat will take place is give by the formula n(n-1)= 36 handskes occured? /2Answer by venugopalramana(3286)   (Show Source): You can put this solution on YOUR website!if n people attened a social gathering and each person shakes hands with each of the other peopleexactly once, then the number of handshakesthat will take place is give by the formula n(n-1)= 36 handskes occured? FORMULA IS NC2 THAT IS N(N-1)/2=36 N(N-1)=72 HENCE N=9 BY INSPECTION SINCE 9*(9-1)=9*8=72