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70% of the cost price of a article is equal to the 40% of its selling price. What is the profit or loss percentage?1). 63% loss2). 70% loss3). 75% profit4). 80% profit |
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Answer» LET the cost price be RS. 100 and SELLING price be y According to the question ⇒ 70 × 100/100 = 40y/100 ⇒ y = 175 ⇒ Profit = 175 – 100 ⇒ Profit = Rs. 75 ∴ net profit % is 75% |
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