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

  • question_answer
    A merchant allows a discount of \[10%\] on marked price for the cash payment. To make a profit of \[17%,\] he must mark his goods higher than their cost price by

    A)  \[30%\]                      

    B)  \[33%\]          

    C)         40%                

    D)         \[27%\]                      

    Correct Answer: A

    Solution :

    Solving this type of question by short cut. Net profit \[%=x+y+\frac{xy}{100}\] \[17%=-10+y+\frac{\left( -10 \right)\times y}{100}\][\[\therefore \,\,'-'\]for discount] \[27=y-\frac{y}{10}\Rightarrow 27=\frac{10y-y}{10}\] \[27\times 10=9y\] \[y=30%\] Hence, He must mark his goods 30% higher than their cost price.


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