The table given below shows the cost price and selling price of four articles. Articles Cost Price Selling Price P 300 250 Q 400 375 R 350 250 S 500 350  What is the average value of loss of article ?

60.75 95.55 81.25 72.24

81.25

Total loss = (300-250) + (400-375) + (350-250) + (500-350) = 50 + 25 + 100 + 150 = 325 Average of loss of article = \(\frac{325}{4}\) = 81.25