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How many different selections of 4 books can be made from a bookcase displaying 12 books?

How many different selections of 4 books can be made from a bookcase displaying 12 books?
asked 24.4k views
17 votes
How many different selections of 4 books can be made from a bookcase displaying 12 books?

asked
User MivaScott
by
8.3k points

2 Answers

4 votes

Answer:

495

Explanation:

12C4 = 12*11*10*9/(4*3*2*1) = 495

answered
User Thomas Turner
by
8.2k points
3 votes

Answer:

495

Explanation:

12C4 = 12*11*10*9/(4*3*2*1) = 495

answered
User Anton Kupias
by
9.0k points
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