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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • question_answer
    The mean of 30 observations was found to be 45. Later on, it was detected that a number 46 was misread as 76. Find the correct mean of the given numbers.

    A)  43                               

    B)  46

    C)  42                               

    D)  44

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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