Multiple Choice Questions on Find the probability that in a random arrangement of the letter of words in the word lsquo PROBABILI........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Find the probability that in a random arrangement of the letter of words in the word lsquo PROBABILI...........

Quantitative Aptitude ( CCS) Probability
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    Find the probability that in a random arrangement of the letter of words in the word ‘PROBABILITY’ the two I’s come together ?

    2/11

    Correct Answer

    1/11

    Incorrect Answer

    3/11

    Incorrect Answer

    4/11

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer – 2/11
    Explanation :
    Total outcomes = 11!/(2!*2!)
    favourable outcomes = (10!*2!)/(2!*2!)
    p = 2/11

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