The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 4%.A60%B45%C40%D50%Answer: D. 50% Read Explanation: 100 is the selling price 64 is the cost price after 4% discount selling price is 100−4=96100-4=96100−4=9696−64=3296-64=3296−64=3232/64=5032/64=5032/64=50% Read more in App