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10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    A purse contains 10 notes of Rs.1000, 20 notes of Rs.500 and 20 notes of Rs.100. One note is drawn at random. What is the probability that the note of Rs.500?

    A) \[\frac{1}{5}\]

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

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

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

    Correct Answer: B

    Solution :

    [b] Number of favourable outcomes = 20
    Number of all possible outcomes   
    \[=10(Rs.1000)+20(Rs.500)+20(Rs.100)=50.\]


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