2. Solved Papers
  3. Railways

Railways R.R.C.(Ranchi) Solved Paper Held on 24-11-2013

  • question_answer
    Vijay and Sushil can do a work in 15 days and 10 days respectively. They begin the work together but Vijay left after some days and Sushil finished the remaining work in 5 days. After how many days did Vijay leave?

    A) 5 days              

    B) 3 days

    C) 4 days              

    D) 6 days

    Correct Answer: B

    Solution :

    Let Vijay leaved a work after x days Then,    \[\frac{x}{15}+\frac{x+5}{10}=1\] \[\frac{2x+3x+15}{30}=1\] \[5x+15=30\] \[5x=15\] \[x=3\,\,days\]


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