JEE Main & Advanced Mathematics Probability Question Bank Odds in favour and odds against Addition theorem on probability

  • question_answer
    A card is drawn from a pack of cards. Find the probability that the card will be a queen or a heart           [RPET 2003]

    A)                 \[\frac{4}{3}\]       

    B)                 \[\frac{16}{3}\]

    C)                 \[\frac{4}{13}\]    

    D)                 \[\frac{5}{3}\]

    Correct Answer: C

    Solution :

                    P(queen or heart) = \[\frac{4}{52}+\frac{13}{52}-\frac{1}{52}=\frac{4}{13}.\]


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