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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-1

  • question_answer
    The average of 11 numbers is 63. If the average of first six numbers is 60 and the last six numbers is 65, then the 6th numbers is

    A)  57                                 

    B)  60

    C)  62                   

    D)         64

    Correct Answer: A

    Solution :

     Sixth number\[=6\times 60+6\times 65-11\times 63\] \[=360+390-693=57\]


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