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8th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    A dealer makes her goods at 125% of cost price and then allow a 4% discount for cash payment. Calculate his profit on cash sales:

    A) 10%                      

    B) 15%

    C) 20%             

    D) 25%

    Correct Answer: C

    Solution :

    Let the cost price = 100 \[S{{P}_{2}}=\frac{1}{36}\times \frac{108}{96}=\frac{1}{32}\] Discount = 4%. \[\therefore \] S.P = M.P - Discount \[SP=\frac{M(100-d)}{100}\] Profit =\[\frac{SP}{M}=\frac{100-d}{100}\] Profit % = 20%   


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