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a man sold a watch for 600 rs at a loss . had he sold it for 750 rs , his gain would have been double the former loss . the cost price of the watch is ? |
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Answer» Step-by-step EXPLANATION: LET the cost PRICE of watch is Rs. x Then loss = Rs. x−600 If watch sold Rs. 750, then PROFIT = Rs. 750−x Given gain has been double the loss Then 750−x=2(x−600) ⇒750−x=2x−1200 ⇒x=650 Therefore, the cost price of the watch is Rs. 650. |
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