Profit and Loss same on an article = x Sale price = Rs 575 Profit = x CP = (575 - x) ......(1) Sale price = Rs 385 Loss = x CP = (358 + x) .......(2) Equating equation (1) and (2) 515 - x = 385 + x 575 - 385 = 2 x 190 = 2 x x = 95 So, cost price = 575 - 95 = Rs 480