A retailer cheats both to his whole-seller and his customer by 10% by his faulty balance i.e.,he actually weighs 10% more while purchasing from wholesaler and weighs 10% less while selling to his customer. What is his net profit percentage, when he sells at CP ?
22 2/2 %
22 2/9%
20 %
21 %
Correct Option: B
Amount purchased = 1100 g Amount sold = 900 g Profit % = (200 / 900) X 100 = 22 2/9%