9th Class Mathematics Sample Paper Mathematics Sample Paper-5

  • question_answer If the mean of 5 observations\[\mathbf{x},\text{ }\mathbf{x}+2,\mathbf{x}+\mathbf{4},\text{ }\mathbf{x}+\mathbf{6}\]and\[\mathbf{x}+\mathbf{8}\]is 14, then find the value of x.

    A) 8                        

    B)  9

    C) 15                       

    D) 12

    E) None of these

    Correct Answer: E


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