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2 March, 22:45

How many ways can four math books, three history books, three chemistry books, and two computer science books be arranged on a shelf so that all books of the same subject are together?

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  1. 2 March, 22:55
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    The total number of ways = 1728 ways

    Step-by-step explanation:

    Given,

    Math books = 4, History books = 3, Chemistry books = 3 and

    Computer science books = 2

    To find, the total number of ways = ?

    ∴ The total number of ways = 4! * 3! * 3! * 2!

    = 24 * 6 * 6 * 2

    = 24 * 72

    = 1728 ways

    ∴ The total number of ways = 1728 ways
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