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Railways Sample Paper RRB (Group D) Sample Test Paper-7

  • question_answer
    The average age of25 suboridinates in an office is 30 years. If the age of Manager is added, the average increases to 31 years. What is the age of the Manager?

    A)  26                   

    B)  36

    C)  46       

    D)  56

    Correct Answer: D

    Solution :

    [d] Age of Manager = New Average Age+(No. of Subordinates\[\times \]Change in Average) \[=31+(25\times 1)=56\]Years


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