If a merchant offers a discount of 40% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up? (Answer in Percent)

The selling price of an article is Rs. 1920 and the discount given is 4%. The market price of the article is -

A shopkeeper offers 10% discount on every   purchase of an article. It also offers an additional discount of 12%. If the payment is made in cash. If the original price of an item is Rs. 250, how  much a customer will pay. If he wants to pay the price in cash?

An article seller allows a discount of 10% on the marked price. He gets 30% commission from the publisher. What will be his profit percentage?

The difference between B a discount of 30% on ₹2,000 and two successive discounts of 25% and 5% on the same amount is 

Giving two successive discount of 25 % at a article is equal to giving one discount of ___%.

Rahim bought a T.V. with 20% discount on list price. Had he bought it with 25% discount he would have saved ₹ 500. At what price did he buy the T.V?  

The equivalent single discount for two successive discounts of 15% and 10% is