vixen95877 vixen95877

28-02-2017
Mathematics

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A group of 11 friends heads to the pub on quiz night. The maximum size allowed for a quiz team is 3 and nobody wants to compete solo! In how many different groupings can the friends enter into the quiz?

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nobillionaireNobley nobillionaireNobley

07-03-2017

The number of groupings = 11C3 + 11C2 = 165 + 55 = 220

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