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JCECE Engineering JCECE Engineering Solved Paper-2004

  • question_answer
    Two cards are drawn one by one from a pack of cards. The probability of getting first card an ace and second a coloured one is (before drawing second card first card is not placed again in the pack):

    A) \[4/13\]                               

    B) \[1/26\]

    C) \[5/52\]                               

    D) \[5/221\]

    Correct Answer: D

    Solution :

    Let \[{{E}_{1}}=\]Event of getting an ace card \[\therefore \]  \[P({{E}_{1}})=\frac{4}{52}\] And \[{{E}_{2}}=\]Event of getting an coloured card                 \[P({{E}_{2}})=\frac{15}{51}\] \[\therefore \]Required probability\[=\frac{4}{52}\times \frac{15}{51}\]                                            \[=\frac{5}{221}\]


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