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    Question

    In how many ways can 6 boys and 2 girls can be seated in

    a row so that girls are in alternate position.
    A 120 Correct Answer Incorrect Answer
    B 148 Correct Answer Incorrect Answer
    C 1440 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    First boys are seated in 6 position in 6! Ways. Now remaining 2 places can be filled by 2 girls in 2! Ways. So, number of ways = 6! × 2! = 1440

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