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Multiple Choice Questions

A question is given to three students A B and C whose chances of solving it are 1 2 1 3 and 1 4 resp...........

Mathematics (NDA) Probability
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    A question is given to three students A,B and C whose chances of solving it are 1/2,1/3 and 1/4 respectively. What is the probability that the question will be solved?

    1/24

    Incorrect Answer

    1/4

    Incorrect Answer

    3/4

    Correct Answer

    23/24

    Incorrect Answer
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    Explanation:

    Required probability
    =1-\left (\frac{1}{2}\times \frac{2}{3} \times \frac{3}{4} \right )=1-\frac{1}{4}=\frac{3}{4}

    By: Munesh Kumari
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