Question

    In how many ways can 3 boys and 2 girls can be seated in

    a row so that they are in alternate position.
    A 720 Correct Answer Incorrect Answer
    B 2880 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 240 Correct Answer Incorrect Answer

    Solution

    First boys are seated in 3 position in 3! Ways. Now remaining 2 places can be filled by 2 girls in 2! Ways. So, number of ways = 3! × 2! = 12

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