RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    100 tickets are numbered 1 to 100. One ticket is selected randomly. The probability that the number appearing on a selected ticket be a perfect square, is

    A)  \[\frac{1}{5}\]

    B)  \[\frac{2}{5}\]

    C)  \[\frac{1}{10}\]               

    D)  None of these

    Correct Answer: C

    Solution :

     Total number of ways of selecting one ticket \[{{=}^{100}}{{C}_{1}}=100\] Perfect square number between 1 to 100 are 10. [ie, 1, 4, 9, 16, 36, 49, 64, 81, 100) \[\therefore \]Required probability \[=\frac{10}{100}=\frac{1}{10}\]


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