10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    A man is known to speak truth 5 out of 7 times. He draws face card from a pack of 52 playing cards. Find the probability that he reports it is a face card.

    A) \[\frac{2}{7}\]

    B) \[\frac{3}{13}\]

    C) \[\frac{5}{7}\]

    D) \[\frac{10}{13}\]

    Correct Answer: C

    Solution :

    [c] In this case man speaks the truth
    \[\therefore \]  Required probability \[=\frac{5}{7}\]


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