10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    Ramesh buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random a tank containing 5 male fish and 9 female fish. Then, the probability that the fish taken out is a male fish, is:

    A) \[\frac{5}{13}\]

    B) \[\frac{5}{14}\]

    C) \[\frac{6}{13}\]

    D) \[\frac{7}{13}\]

    Correct Answer: A

    Solution :

    [b] There are \[14=(5+9)\] fish out of which one can be chosen in 14 ways.
    Hence, total number of possible outcomes =13
    There are 5 male fish out of which are male fish can be chosen in 5 ways.
    Hence, favourable number of elementary events = 5
    Hence, required probability \[=\frac{5}{14}\]


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