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A shopkeeper incurs 10% loss by selling a washing machine for Rs. 16200. At what price should the washing machine be sold to earn 15% profit?1). Rs. 187002). Rs. 197003). Rs. 207004). Rs. 20250 |
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Answer» LET cost PRICE of washing machine is x. Cost price of washing machine when SHOPKEEPER incurs 10% loss. ⇒ Cost price = [Selling price/(1 - loss)] × 100 ⇒ Cost price = [16200/(1 - 10)] × 100 = 18000 Selling price of washing machine when shopkeeper earn 15% profit. ⇒ Selling price = Cost price × (1 + profit %) ⇒ Selling price = 18000 × (1 + 15/100) ⇒ Selling price = 18000 × 1.15 = Rs. 20700 |
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