The selling price of an article by two different vendors is Rs.900 and profit earned is 20%. One vendor counts his profit on cost price while other one counts his profit on selling price. Find the difference of profit earned by both the vendors.
CP of item for first vendor = 900/(100 + 20)% = Rs.750 CP of item for second vendor = 900 × (100 - 20)% = Rs.720 Profit earned by the first vendor = 900 – 750 = Rs.150 Profit earned by the second vendor = 900 – 720 = Rs.180 Required difference = Rs. (180 – 150) = Rs.30
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