Multiple Choice Questions on A bag contains 5 red balls and 4 green balls What is the probability that both balls are same in col........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A bag contains 5 red balls and 4 green balls What is the probability that both balls are same in col...........

Quantitative Aptitude ( CCS) Probability
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    A bag contains 5 red balls and 4 green balls. What is the probability that both balls are same in color?

    5/11

    Incorrect Answer

    4/9

    Correct Answer

    3/13

    Incorrect Answer

    6/17

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    4/9
    Explanation: 
    Case 1: both red
    5C2/9C2
    Case 2: both green
    4C2/9C2
    Add both cases

    By: Sandeep Dubey
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