A shopkeeper sold an item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find the overall profit percent? एक दुकानदार ने एक वस्तु को 20% लाभ पर और दूसरी वस्तु को 10% हानि पर बेचा। यदि दोनों वस्तुओं की लागत मूल्य समान है, तो कुल लाभ प्रतिशत ज्ञात कीजिए ?

Let the cost price of each item be Rs. x. First item: 20% profit means selling price = x + 0.2x = 1.2x. Second item: 10% loss means selling price = x - 0.1x = 0.9x. Total cost price = 2x. Total selling price = 1.2x + 0.9x = 2.1x. Overall profit = 2.1x - 2x = 0.1x. Profit percentage = (Profit/CP) × 100 = (0.1x/2x) × 100 = 5%.