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How much per cent above the cost price should a shopkeeper mark his goods sothat after allowing a discount of 20% on the marked price, he gains 12967pt of 5% for |
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Answer» let the CP be Rs. 100 and MP be Rs. xgain % after discount = 12%gain = 12% of 100 = Rs. 12⇒SP of the article = CP + Gain = Rs. (100 + 12) = Rs. 112Discount % = 20%Discount = 20% of Marked Price= Rs.20/100 * x = Rs. 20x/100 = Rs. x/5as da question saysmarked Price - discount = SP=> x - x/5 = 112=> (5x - x)/5 = 112=> 4x/5 = 112=> x = 112 * 5/4 = Rs. 140marked Price = Rs. 140amount marked above the CP = MP - CP = Rs. (140 - 100) = Rs. 40 ∴% amount marked above the CP= Amount increased/CP * 100= 40/100 * 100= 40% |
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