Question
A shopkeeper bought article βAβ for Rs. βxβ and
marked it 20% above its cost price and sold it for Rs. 1500. Marked price of article βBβ is Rs. 1000 more than that of article βAβ while selling price of article βBβ is Rs. 170 more than that of βAβ. Find the cost price of article βAβ if article βBβ is sold at a discount of 20%.Solution
Selling price of article βBβ = 170 + 1500 = Rs. 1670 Marked price of article βBβ = 1670/0.80 = Rs. 2087.5 Marked price of article βAβ = 2087.5 β 1000 = Rs. 1087.5 Cost price of article βAβ = 1087.5/1.2 = Rs. 906.25
Lamberts law is related to β
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