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10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    A bag contains 11 red bails and some white balls. If the probability of drawing a white ball is double that of a red ball, then the number of white ball in the bag is ________

    A) 20                                                                    

    B)  11          

    C)  22                                                                   

    D)  28

    E)   None of these

    Correct Answer: C

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