SOLUTION: from a list of 12 books, how many groups of 5 can be selected?
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Question 948947: from a list of 12 books, how many groups of 5 can be selected?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
from a list of 12 books, how many groups of 5 can be selected?
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Ans: 12C5 = 12!/[(12-5)!*5!] = (12*11*10*9*8)/(1*2*3*4*5) = 792 groups
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Cheers,
Stan H.
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