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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-23

  • question_answer
    The average age of a family with 6 members is 28 years. If one of the member of age 26 years is excluded then the average age of the family becomes -

    A)  \[28.4\]years                 

    B)  \[29.5\]years

    C)  30 years                      

    D)  27 years

    Correct Answer: A

    Solution :

     Total age of 6 members \[=28\times 6=168\]years If one member is excluded then total members \[=6-1=5\] Average age of 5 members \[=\,\,\,\,\,\,\,\frac{168-26}{5}=\frac{142}{5}=\underline{\mathbf{28}\mathbf{.4}\,\mathbf{years}}\]


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