By selling 24 items, a shopkeeper gains the selling price of 4 items. His gain percentage is :A20%B50%C25%D10%Answer: A. 20% Read Explanation: SP of an item = 100. Total SP of 24 items = 24 × 100 = 2,400 Gain = 4 × 100 = 400 Cost Price of 24 items = 2400 – 400 = 2,000 Gain Percentage = [400/2000] × 100 = 20%Read more in App