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rahul has a list of 24 friends he wishes some of them in such a manner that he can enjoy maximum number of parties but in each party the number of friends be same and each party must have different set of persons.the no. of parties that rahul can enjoy?

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THIS QUESTIOIN IS BASED ON FORMULA
nCr
so condition for nCr to be maximum r must be equal to n/2
here in question n=24 so r = 24/2 = 12

so the parties he can enjoy = 12(one group) + 12 (other group)
= 2 parties
12 years agoHelpfull: Yes(12) No(10)

he can attend 12 parties of 2 friends each..
12 years agoHelpfull: Yes(11) No(3)
cant he attain 24 part with 1 frnd each....
12 years agoHelpfull: Yes(9) No(2)
24c12
is the max parties number
12 years agoHelpfull: Yes(3) No(0)
@ mohd
why not each party have 4 friends he can attend 6
plz explain ....................
12 years agoHelpfull: Yes(2) No(3)

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