Question
A trader marked an article 35% above its cost price and
sold it after allowing a discount of 25%. If the transaction resulted in a profit of Rs. 20, then find the cost price of the articleSolution
Let the cost price of the article be Rs. ‘x’ Marked price of the article = x × 1.35 = Rs. ‘1.35x’ Selling price of the article = 1.35x × 0.75 = Rs. ‘1.0125x’ Profit = 1.0125x – x = Rs. ‘0.0125x’ ATQ; 0.0125x = 20 So, x = 1600 Therefore, cost price of the article is Rs. 1600.
Parts per million (ppm) is equal to
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