Multiple Choice Questions on A and B are two persons sitting in a circular arrangement with 8 other persons Find the probability ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A and B are two persons sitting in a circular arrangement with 8 other persons Find the probability ...........

Quantitative Aptitude ( CCS) Probability
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    A and B are two persons sitting in a circular arrangement with 8 other persons. Find the probability that both A and B sit together ?

    1/9

    Incorrect Answer

    2/7

    Incorrect Answer

    2/9

    Correct Answer

    2/5

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer –  2/9
    Explanation :
    Total outcomes = (10 -1)!  = 9!
    Favourable outcomes = (9 -1)!*2!
    So p = 2/9

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