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By mixing two brands of tea and sellin...

By mixing two brands of tea and selling the mixture at the rate of Rs. 177 per kg, a shopkeeper makes a profit of 18%. if to every 2 kg of one brand costing Rs. 200 per kg, 3 kg of the other brand is added, then how much per kg does the other brand cost? a. Rs. 110 b. Rs. 120 c. Rs. 140 d. none of these

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