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If the selling price of 10 pens is the same as the cost price of 12 pens then gain per cent is (a) 2 % (b) 12 % (c) 20 % (d) 25 % |
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Answer» If the selling price of 10 pens is the same as the cost price of 12 pens then gain per cent is (a) 2 % (b) 12 % (c) 20 % (d) 25 % |
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