Eleven books consisting of 5 Mathematics, 4 Physics and 2 Chemistry are placed on a shelf. The number of possible ways of arranging them on the assumption that the books of the same subject are all together is [AMU 2002]

Eleven books consisting of 5 Mathematics, 4 Physics and 2 Chemistry ar

1.	Eleven books consisting of 5 Mathematics, 4 Physics and 2 Chemistry are placed on a shelf. The number of possible ways of arranging them on the assumption that the books of the same subject are all together is [AMU 2002]
A.	4! 2!
B.	11!
C.	5! 4! 3! 2!
D.	None of these
Answer» D. None of these

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Eleven books consisting of 5 Mathematics, 4 Physics and 2 Chemistry are placed on a shelf. The number of possible ways of arranging them on the assumption that the books of the same subject are all together is [AMU 2002]

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