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How many different ways can you choose 5 books from a shelf containing 12 books? Type a numerical answer in the space provided.
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How many different ways can you choose 5 books from a shelf containing 12 books? Type a numerical answer in the space provided.

User Martin Fahl
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1 Answer

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assuming that order in which you choose the 5 books is not important the its 12C5 - that is the number of combinations of 5 out of 12.

this is 12! / 5! 7! = 12*11*10*9*8
---------------- = 792 ways
5*4*3*2*1
User Ashokds
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