Multiple Choice Questions on 12 persons are seated at a circular table Find the probability that 3 particular persons always seat........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

12 persons are seated at a circular table Find the probability that 3 particular persons always seat...........

Quantitative Aptitude ( CCS) Probability
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    12 persons are seated at a circular table. Find the probability that 3 particular persons always seated together?

    9/55

    Incorrect Answer

    7/55

    Incorrect Answer

    4/55

    Incorrect Answer

    3/55

    Correct Answer
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    Explanation:

    Answer – 3/55
    Explanation :
    total probability = (12-1)! = 11!
    Desired probability = (10 – 1)! = 9!
    So, p = (9! *3!) /11! = 3/55

    By: Sandeep Dubey
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