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The cost of a mobile phone, purchased 3 years ago, depreciates at the rate of 20% every year. If its present worth is ₹ 3000, find its purchase price. |
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Answer» The cost of a mobile phone, purchased 3 years ago, depreciates at the rate of 20% every year. If its present worth is ₹ 3000, find its purchase price. |
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