Multiple Choice Questions on A box contains 10 electric bulbs from which 2 bulbs are defective Two bulbs are chosen at random Wha........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A box contains 10 electric bulbs from which 2 bulbs are defective Two bulbs are chosen at random Wha...........

Quantitative Aptitude ( CCS) Probability
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    A box contains 10 electric bulbs from which 2 bulbs are defective. Two bulbs are chosen at random. What is the probability that one of them is defective?

    3/10

    Incorrect Answer

    16/45

    Correct Answer

    25/68

    Incorrect Answer

    8/33

    Incorrect Answer
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    Explanation:

    Answer & Explanation

    16/45
    Explanation: 
    2C1*8C1/10C2 = 16/45

    By: Sandeep Dubey
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