2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Profit and Loss

Railways Quantitative Aptitude Profit and Loss Sample Paper Profit and Loss Sample Test Paper-9

  • question_answer
    A cloth merchant decides to sell his material at the cost price, but measures 80 cm for a metre. His gain % is.

    A)  Rs. 15%           

    B)  Rs. 18%

    C)  Rs. 20%           

    D)  Rs. 25%

    Correct Answer: D

    Solution :

    [d] Error in measurement \[=10080=20\,\,cm\] \[\therefore \] \[%\,\,gain=\left( \frac{Error}{True\,\,value-Error}\times 100 \right)%\] \[\,%\,\,gain=\left( \frac{20}{100-20} \right)\times 100%\] \[=\frac{20\times 100}{80}%\] = 25%


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