Two shopkeepers, 'A' and 'B', sell a certain kind of machine at the same list price. However, shopkeeper 'A' allows two successive discounts of 20% and 15%, while shopkeeper 'B' allows two successive discounts of 10% and 25%. Which of the following statements is correct?

A shopkeeper offers a 50% discount on the marked price of a certain item and then announces an additional 32% discount for cash payment. A customer paid ₹629 in cash. Find the marked price of the item.

On a marked price of ₹10,000, what is the difference in the selling price between a single discount of 40% and two successive discounts of 30% and 10%?