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SSC Sample Paper SSC CGL - Sample Paper-21

  • question_answer
    The average of 7 consecutive number is 20. The largest of these numbers is

    A) 24                                

    B) 23

    C) 22                                

    D) 20

    Correct Answer: B

    Solution :

    Let the numbers are \[x,\,x+1,x+2,x+3,x+4,x+5,x+6\] \[\therefore \frac{x+x+1+x+2+x+3+x+4+x+5+x+6}{7}\]             = 20 \[\Rightarrow \]   \[7x=140-21\] \[\Rightarrow \] \[x=17\] \[\therefore \] The largest number \[=17+6=23\]


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