An article is sold at a loss of 10%. Had it been sold for Rs. 9 more, there would have a gain of 12 1/2% on it, then what is the cost price of the articleA80B40C65D36Answer: B. 40 Read Explanation: if cost price CP = 100% loss = 90% 90% + 9 = 112.5% 112.5% - 90% = 9 22.5% = 9 100% = 9 × 100/22.5 = 40Read more in App