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Ramya gives a dinner party for 5 guests. The number of ways in which they may be selected from among 9 friends if two of the friends will not attend the party together is?

Ramya gives a dinner party for 5 guests. The number of ways in which they may be selected from among 9 friends if two of the friends will not attend the party together is?

Grade:11

1 Answers

Amit Jain
askIITians Faculty 32 Points
7 years ago

2058_96662_Magical Mathematics_Permutations and Combinations_ 30 Oct 2013 1039AM_Abhishek.gif

 

Thanks & Regards
Amit Jain, 
askIITians Faculty
B.Tech., IIT Delhi

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