JEE Main & Advanced Mathematics Probability Question Bank Definition of probability

  • question_answer
    There are n letters and n addressed envelops. The probability that each letter takes place in right envelop is

    A)                 \[\frac{1}{n\,!}\]    

    B)                 \[\frac{1}{(n-1)\,!}\]

    C)                 \[1-\frac{1}{n\,!}\]

    D)                 None of these

    Correct Answer: A

    Solution :

                    It is a fundamental concept.


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