JEE Main & Advanced Mathematics Probability Question Bank Definition of probability

  • question_answer
    The probabilities of winning the race by two athletes A and B are \[\frac{1}{5}\]and \[\frac{1}{4}.\] The probability of winning by neither of them, is

    A)                 \[\frac{3}{5}\]       

    B)                 \[\frac{3}{4}\]

    C)                 \[\frac{2}{5}\]       

    D)                 \[\frac{4}{5}\]

    Correct Answer: A

    Solution :

                    \[P({A}'\cap {B}')=\frac{4}{5}.\frac{3}{4}=\frac{3}{5}.\]


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