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JCECE Engineering JCECE Engineering Solved Paper-2006

  • question_answer
    \[A\] and \[B\] play a game where each is asked to select a number from \[1\] to\[25\]. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trial is:

    A) \[\frac{1}{25}\]                                

    B) \[\frac{24}{25}\]

    C) \[\frac{2}{25}\]                                

    D)  none of these

    Correct Answer: B

    Solution :

    The number of ways in which either player can choose a number from \[1\] to \[25\] is\[25\], so the total number of ways a choosing numbers is\[25\times 25=625\]. So the probability that they will not win a prize in a single trial                 \[=1-\frac{1}{25}\]                 \[=\frac{24}{25}\]


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