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A merchant paid Rs.300 for a shipment of x identical calculators. The merchant used 2 of the calculators as demonstrators and sold each of the others for Rs.5 more than the average...
Solution
Total amount merchant paid for x identical calculators = Rs.300Average cost of each calculator = 300/xTotal number of calculators sold = x − 2Profit made = Rs.120Selling price of x − 2 calculators = 300 + 120...
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By selling x −2 calculators for a profit of Rs.5, he made an overall profit of Rs.120.5(x − 2) = 120 + (cost of 2 calculators which are...
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