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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    A trader marks his goods at 20% above the cost price. If he allows a discount of 5% on the marked price, what profit per cent does he make?

    A)  14%                

    B)  16%

    C)  18%                            

    D)  20%

    Correct Answer: A

    Solution :

    Let the cost price \[=Rs.\,x\] \[\therefore \] Marked price \[=x+20%\text{ of}\,x\]             \[=x+\frac{x}{5}=Rs.\frac{6x}{5}\] Selling Price             \[=Rs.\left( \frac{6x}{5}-5%\,\,\text{of}\,\,\frac{6x}{5} \right)\]             \[=Rs.\frac{6x}{5}\left( 1-\frac{1}{20} \right)\]             \[=Rs.\frac{6x}{5}\times \frac{19}{20}\]             \[=Rs.\frac{57x}{50}\] Profit \[=Rs.\frac{57x}{50}-x=Rs.\frac{7x}{50}\] \[\therefore \]      Profit per cent \[=\frac{50}{x}\times 100=14%\]  


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