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ATQ, Selling price after 15% discount = 85x Cost price C=85x−850 From the condition: 1.25×C=85x−200 1.25×(85x−850)=85x−200 106.25x−1062.5=85x−200 21.25x=862.5 x= 40.59 So, the cost price C=85×40.59−850=Rs.2600
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