2. Solved Papers
  3. Railways

Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    The average age of a group of men is increased by 5 years when a person aged 18 years is replaced by a new person aged 38 years. How many men are there in the group?

    A) 3                                 

    B) 4

    C) 5                                 

    D) 6

    Correct Answer: B

    Solution :

    Suppose there are x men in the group. Then,    \[5x=38-18\] \[5x=20\] \[x=4\]


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