2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-12

  • question_answer
    If \[\left( \frac{a}{b} \right)x-1=\left( \frac{b}{a} \right)x-3,\] then the value of \[x\] is:

    A)  \[\frac{1}{2}\]                         

    B)  \[1\]

    C)   \[2\]                    

    D)       \[\frac{7}{2}\]

    Correct Answer: C

    Solution :

     Given \[\left( \frac{a}{b} \right)x\,\,\,\,\,\,1=\left( \frac{b}{a} \right)x\,\,\,\,\,3\] \[\Rightarrow \] \[\left( \frac{a}{b} \right)x\,\,\,\,\,1=\left( \frac{a}{b} \right)\,\,\,(x\,\,\,\,3)\] \[\Rightarrow \] \[x-1=3-x\] \[\Rightarrow \] \[2x=4\] \[\Rightarrow \] \[x=2\]


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