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    Question

    Geography books are always

    together. In how many ways 5 History books and 7 geography books can be arranged in a row so that :
    A 6! × 8! Correct Answer Incorrect Answer
    B 5! × 8! Correct Answer Incorrect Answer
    C 6! × 7! Correct Answer Incorrect Answer
    D 5! × 7! Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Reqd. no. of ways = 6! X 7!

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