New Enroll here to Join NaBFID Analyst Into Class on May 6

    Question

    In how many different ways can 6 teachers and 5 students

    be seated in a row so that they sit alternately?
    A 78900 Correct Answer Incorrect Answer
    B 62780 Correct Answer Incorrect Answer
    C 86400 Correct Answer Incorrect Answer
    D 92850 Correct Answer Incorrect Answer

    Solution

    T S T S T S T S T S T Now 6 teachers can be seated in 6 places in 6! Ways. 5 students can be seated in 5! ways Required no. of ways = 6! × 5! = 720 × 120 = 86400

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