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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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From (4) novels, (3) poetry books, and (5) drama books, (5) books are to be selected and arranged in a row. The selection must have exactly (2) poetry books and at least (1) novel. How many arrangements are possible?

Answer and explanation

Correct answer: (26640)

First choose exactly (2) poetry books, then choose the remaining (3) books from novels and dramas with at least (1) novel. After selection, arrange in (5!) ways.

Related tags

BooksSelection-ArrangementCountingFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
सुधार सुझाएँ / Earn

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