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If there are12 books on a rack,a person has to choose 5books. In how many ways can he choose if one particular book is always selected?​

If there are12 books on a rack,a person has to choose 5books. In how many ways can he choose if one particular book is always selected?​
asked 138k views
2 votes
If there are12 books on a rack,a person has to choose 5books.

In how many ways can he choose if one particular book is always selected?​

asked
User Alexander Huang
by
7.7k points

1 Answer

3 votes

Answer:

330

11 choose 4


=(11!)/(4!\left(11-4\right)!)\\= 330

Explanation:

answered
User Chammp
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