2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Simplification

Railways Quantitative Aptitude Simplification Sample Paper Simplification Sample Test Paper-3

  • question_answer
    If \[\frac{x}{pq}+\frac{x}{qr}+\frac{x}{pr}=p+q+r,\] then x=

    A)  \[pqr\]              

    B)  \[\frac{pq}{r}\]

    C)  \[\frac{p}{qr}\]            

    D)  \[\frac{q}{pr}\]

    Correct Answer: A

    Solution :

    [a] \[\frac{x}{pq}+\frac{x}{qr}+\frac{x}{pr}=p+q+r\] \[x\left( \frac{r+p+q}{pqr} \right)=p+q+r\] \[\therefore \,\,\,\,x=pqr\]


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