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9th Class Mathematics Statistics Question Bank Self Test-11

  • question_answer
    The mean age of 6 person is increased by 4 years if one of them whose age is 26 years is replaced by new man then the age of new man is:

    A)  50 years

    B)  30 years      

    C)  32 years

    D)  34 years

    E)  None of these

    Correct Answer: A

    Solution :

       


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