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Mathematics, 03.12.2020 07:10 hollicious1384

when a pen is sold at a discount of 15%, there is a gain of rs10, but if it is sold at 25% discount, there is a loss of rs2. find the marked price of the pen.

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when a pen is sold at a discount of 15%, there is a gain of rs10, but if it is sold at 25% discount,...
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