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Railways R.R.C. (Gorakhpur) Solved Paper Held on 1st Shift 23-11-2014

  • question_answer
    Average of 8 numbers is 24. If one of the numbers is taken out the average of the remaining 7 is 20. What is that number?

    A) 22                    

    B)   52

    C) 7.5                               

    D) 16

    Correct Answer: B

    Solution :

    Required number \[=8\times 24-7\times 20\]                         \[=192-140=52\]


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