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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-22

  • question_answer
    If the average of 5 numbers is 7 and average of 7 numbers is 5, then the average of all numbers taken together is -

    A)  \[\frac{35}{6}\]                        

    B)  \[\frac{36}{7}\]

    C)  \[\frac{35}{12}\]                                  

    D)  \[\frac{6}{35}\]

    Correct Answer: A

    Solution :

     Total of 5 numbers \[=7\times 5=35\] Total of 7 numbers \[=7\times 5=35\] Total \[=35+35=70\] Average of 12 numbers \[=\frac{70}{12}=\underline{\frac{\mathbf{35}}{\mathbf{6}}}\]


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