10th Class Mathematics Probability Question Bank Assertion And Reason (MCQs) - Probability

  • question_answer
    Assertion (A): The probability of getting a prime number.
    When a die is thrown once is \[\frac{2}{3}\].
    Reason (R): Prime numbers on a dice are 2, 3, 5.

    A) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

    B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A)

    C) Assertion (A) is true but reason (R) is false.

    D) Assertion (A) is false but reason (R) is true.

    Correct Answer: D

    Solution :

    [d] Assertion (A) is false but reason (R) is true.
    When a die is thrown once, total possible outcomes =6
    and prime numbers in it are \[\{2,3,5\}.\]
    Total possible outcomes =3
    Probability of getting a prime \[=\frac{3}{6}=\frac{1}{2}\]


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