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Question

There are 3 copies each of 4 different books. The number of ways they can be arranged on a shelf is?


A

369600

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B

400400

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C

420600

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D

440720

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Solution

The correct option is A

369600


Find the number of arrangements based on given information

Given: 3 copies each of 4 different books.

Total number of books =3×4=12

Required number of arrangements

=12!3!×3!×3!×3!=12!3!4=369600

Hence, option A is correct .


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