7. The list price of an article is 25% above the selling price and cost price

is 40% below the list price, then rate of discount is:a. 15%b. 20%C. 25%d. 40%

7. The list price of an article is 25% above the selling price and cost price

is 40% below the list price, then rate of discount is:a. 15%b. 20%C. 25%d. 40%