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    dillka's Avatar
    dillka Posts: 12, Reputation: 1
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    #1

    Oct 26, 2008, 01:45 PM
    Only face cards
    How many different selections of 3 cards can be made from 12 face cards?
    dillka's Avatar
    dillka Posts: 12, Reputation: 1
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    #2

    Oct 26, 2008, 01:46 PM

    Would you do 12 times 12 = 144 selections?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #3

    Oct 26, 2008, 02:17 PM
    How many ways can you choose 3 objects from 12?

    In your case, n=12 and r=3
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