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Q: A shopkeeper sells an article at 20% profit. If he had bought the article at 10% less and sold it at `18 more than the previous selling price, he would have made 40% profit. What is the original cost price of the article? (in `)
  • A. ` 350
  • B. ` 320
  • C. ` 300
  • D. ` 280
Correct Answer: Option C -
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Explanations:

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