Multiple Choice Questions on What is the probability of choosing one blue ball ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

What is the probability of choosing one blue ball ........

Quantitative Aptitude ( CCS) Probability
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    Directions : An urn contains some balls colored white, blue and green. The probability of choosing a white ball is 4/15 and the probability of choosing a green ball is 2/5. There are 10 blue balls.

    What is the probability of choosing one blue ball?

    2/7

    Incorrect Answer

    1/4

    Incorrect Answer

    1/3

    Correct Answer

    2/5

    Incorrect Answer
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    Explanation:

    Probability of choosing one blue ball = 1 – (4/15 + 2/5) = 1/3

    Hence, option 3 is the correct answer.

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