10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number, which is a multiple of 5 is: (NCERT EXEMPLAR)

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

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

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

    D) \[\frac{1}{3}\]

    Correct Answer: A

    Solution :

    [a] Total number of outcomes = 40
    Multiples of 5 from 1 to 40 are
    \[\{5,10,15,20,25,30,35,40\}\]
    So, favourable number of outcomes = 8
    \[\therefore \] Required probability \[=\frac{8}{40}=\frac{1}{5}\]


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