2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-15

  • question_answer
    The average weight of 12 crewmen in a boat is increased by\[\frac{1}{3}\]kg, when one of the crewmen whose weight is 55 kg is replaced by a new man. What is the weight of that new men?

    A)  58                   

    B)  60

    C)  57                   

    D)  59

    Correct Answer: D

    Solution :

    [d] Short-cut method: Weight of new crewmen = Replaced man's weight + [No. of crew men\[\times \]Increment in average] \[=55+12\times \frac{1}{3}=59\,\,kg\]


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