A trader marked the price of a article 30% above the cost price and gave the buyes 10& discount on market price, thereby gaining Tk. 340. The cost of the article is?

A trader marked the price of a article 30% above the cost price and gave the buyes 10& discount on market price, thereby gaining Tk. 340. The cost of the article is? Correct Answer 2000

Let, the cp = x tk then the market price = x + (x*30%) = 13x/10 tk. Now,10% discount on mp, sp = 13x/10 - (13x/10*10%) = 117x/100 tk profit = (117x/100 - x) = 17x/100 ATQ, 17x/100 = 340 or, x = 2000
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