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  • In a library shelf 3 slots are available (one for each book).Then the numbers of ways in which 10 books can be arranged in these slots isOption: 1 71

In a library shelf 3 slots are available (one for each book).Then the numbers of ways in which 10 books can be arranged in these slots is

Option: 1

714


Option: 2

716


Option: 3

718


Option: 4

720


Answers (1)

best_answer

Number of ways = ^{10}P _3 = 10 ! / 7 ! = 720

Posted by

Gaurav

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