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10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    The average of 15 numbers is 18. The average of first 8 is 19 and that last 8 is 17, then the 8th number is

    A)  15          

    B)  16

    C)  18                           

    D)         20

    Correct Answer: C

    Solution :

    Not available


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