New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In how many ways can 6 boys and 3 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 4320 Correct Answer Incorrect Answer
    D 240 Correct Answer Incorrect Answer

    Solution

    First boys are seated in 6 position in 6! Ways. Now remaining 3 places can be filled by 3 girls in 3! Ways. So, number of ways = 6! × 3! = 4320

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