GATE | CS | 2021 | Set 1 | Quantitative Aptitude | Question 7

Details of prices of two items P and Q are presented in the above table. The ratio of cost of item P to cost of item Q is 3:4. Discount is calculated as the difference between the marked price and the selling price. The profit percentage is calculated as the ratio of the difference between selling price and cost, to the cost. Discount is being offered to the products and new labels are used with marked price that represent the final price after discount. ( Marked Price = Normal Selling Price - Discount )

Profit% = ((Selling price – Cost)/Cost)×100 

The discount on item Q, as a percentage of its marked price, is _______ .