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The selling price and cost price of article is in the ratio 7 ∶ 5 then find the profit / loss percentage?1. 20%2. 25%3. 40%4. 50% |
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Answer» Correct Answer - Option 3 : 40% Given: The selling price and cost price of the article is in the ratio 7 ∶ 5 Concept Used: Basic concept of ratio and proportion Profit percent = (Profit/cost price) × 100 Calculation: Let the ratio be x ∴ The ratio = 7x ∶ 5x Now, profit = 7x – 5x = 2x We know that Profit percent = (Profit/cost price) × 100 = (2x/5x) × 100 = 40% Hence, option (3) is correct |
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