Railways R.R.C. (Gorakhpur) Solved Paper Held on 1st Shift 9-11-2014

  • question_answer
    Average of 20 numbers is 54. If one of the numbers is 54, what will be the average if it is taken out?

    A) 54                    

    B) 56.84         

    C) 19.5                             

    D) 37           

    Correct Answer: A

    Solution :

    Required average\[=\frac{54\times 20-54}{19}\] \[=\frac{54\times 19}{19}\] \[=54\]


You need to login to perform this action.
You will be redirected in 3 sec spinner