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9th Class Mathematics Probability Question Bank Probability

  • question_answer
    A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, find the number of blue balls in the bag.

    A)  15                                         

    B)         12                         

    C)         5                                            

    D)         10                         

    Correct Answer: D

    Solution :

    Not Available


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