A shopkeeper purchased an article for Rs. ‘a’ and marked it 150% above its cost price and sold it after giving two successive discounts of 300 and 25%, respectively and earned a profit of Rs. 4a/5. Find the marked price of the article.
Selling price of the article = a + (4a/5) = Rs. (9a/5) So, (9a/5) = (2.5 × a – 300) × 0.75 Or, 1.8a = (2.5a – 300) × 0.75 Or, 2.4a = 2.5a – 300 Or, 0.10a = 300 Or, a = 3000 So, marked price of the article = 2.5 × 3000 = Rs. 7500
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