2. Solved Papers
  3. Railways

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

  • question_answer
    If \[p:q\]\[=7:9\]and\[q:r=15:7\],then \[p:r\]is__

    A) 3 : 5                             

    B) 5 : 3

    C) 7 : 15               

    D) 7 : 21

    Correct Answer: B

    Solution :

    p : q = 7 : 9                q : r = 15 : 7 Then,     \[p:r=\frac{p}{q}\times \frac{q}{r}\]                \[=\frac{7}{9}\times \frac{15}{7}=5:3\]


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