The marked price of an article is 10 % higher than cost price. A discount of 10 % is given on marked price. In this kind of sale, the seller bears: 

A article is marked at Rs. 65 and a customer buys it for Rs. 56.16 and got two successive discount of 4% and k%. Find the value of   k?

A shopkeeper increases the price of an object by 40 % and then sells it at 25 % discount on the marked price. If the selling price of such an object be ₹ 2100, its cost price for the shopkeeper was? 

If in a sale, the discount given on a saree is equal to one-fourth of the marked price and the loss due to this discount is 15%, then the ratio of the cost price to the selling price is-

What is single discount equivalent to two successive discounts of 15% and 20%?

A discount of 15 % on one article is the same as discount of 20% on a second article. The costs of the two articles can be:

Arvind purchased a wrist watch with 30% discount on the labelled price. He sold it with 40 % profit on the price he bought, what was his percent loss on the labelled price? 

Akshay has 30 articles, each having the same cost price. He marked the price of each article at 30% above its cost price. He sold 15 of the articles at a discount of 20% each, and the remaining 15 articles at a discount of 10% each, thereby gaining a total profit of ₹630. What was the cost price of each article?