20%, 10% and 5% की क्रमिक छूट के समतुल्य एकल छूट ज्ञात कीजिए।

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%?