Wipro Written Test Qs.(Quantitative Aptitude) :: Profit and Loss - Discussion

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Explanation:
cost price of irfan is : 90x/100=4,95,000 => x=5,50,000;
profit =(5,50,000-4,50,000)/4,50,000; = 1,00,000/4,50,000
profit % for atul = .2222 * 100 = 22.22%