A shopkeeper sold an article for ₹455 at a loss (in ₹). If he sells it for ₹490, then he would gain an amount four times the loss. At what price (in ₹) should he sell the article to gain 25%?

575 577.50 570.50 115.50

577.50

Let the cost price = x. According to the question, 4 × (x - 455) = (490 - x) 4x – 1820 = 490 - x CP = 462 Now, to make 25%, the shopkeeper has to it at  = (462 × 1.25) = Rs. 577.50