10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    A coin and a die is tossed simultaneously. The probability of the event that 'tail' and a prime number turns up

    A) \[\frac{1}{2}\]

    B) \[\frac{1}{4}\]

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

    D) \[\frac{2}{3}\]

    Correct Answer: B

    Solution :

    Total number of outcomes \[=\text{ }2\times 6\text{ }=\text{ }12\] Favourable outcomes are [T2, T3, T5] i.e. 3 in number. \[\therefore \] Required probability \[=\frac{3}{12}=\frac{1}{4}\]


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