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SSC Sample Paper SSC CGL - Sample Paper-30

  • question_answer
    A trader marked the selling price of an article at 10% above the cost price. At the time of selling, he allows certain discount and suffers a loss of 1%. He allowed the discount of

    A) 11%                             

    B) 10%

    C) 9%                               

    D) 10.5%

    Correct Answer: B

    Solution :

    Let the CP of the article\[=Rs.\,x\] \[\therefore \] Marked price of the article\[=Rs.\frac{11x}{10}\] Let the trader allows y % discount. \[\therefore \] SP of the article\[=Rs.\frac{11x}{1000}(100-y)\] According to question,             \[\frac{11x}{10}\left( 1-\frac{y}{100} \right)=\frac{99x}{100}\] \[\Rightarrow \]   \[\frac{y}{100}=1-\frac{9}{10}=\frac{1}{10}\] \[\Rightarrow \]   \[y=10%\]


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