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Every year on the second Thursday of November, the world observes World Usability Day. “Usability” is a quality that evaluates how efficiently and effectively a person can use a product, as well as how satisfied he or she is with the process.
An item is sold at 70% of its marked price, resulting in a 40% profit. Determine the ratio of the marked price to the cost price for this item.
An anicle was sold for ₹1,215 after giving a discount of 19%. If a discount of 17.5% is given, then for how much (in ₹) should the article be sold?