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9th Class Mathematics Probability Question Bank Self Test-13

  • question_answer
    A bag contains 12 balls out of which x are red. If three more red balls are put in the bag the probability of drawing the red balls is twice then the value ofis:

    A)  2

    B)  4             

    C)  6

    D)  5

    E)  None of these

    Correct Answer: A

    Solution :

       


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