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10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    Someone is asked to make a number from 1 to 100. The probability that it is a prime is .........

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

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

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

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

    Correct Answer: C

    Solution :

    Prime number between 1 to 100 =2,3,5,7, 11, 13, 17, 19,23,29 31,37,41, 43, 47, 53, 59, 61 67, 71, 73, 79, 83, 89, 97 = 25 Total outcomes =100 \[P\left( E \right)=\frac{25}{100}=\frac{1}{4}\]


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