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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    The following observations are arranged in ascending order: 36, 39, 45, 48, x, x + 4, 57, 62, 65, 68. If the median is 52, then the mean of the observations is _______.

    A)  52.4    

    B)  50.6

    C)  51.8                            

    D)  51.2

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available               


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