A shopkeeper sold his goods at half of the list price and thus lost 25%. If he had sold at the listed price, his gain %?

50% 60% 72% 35%

50%

Let the marked price of an article be x and CP = 100 according to the question, \(\frac{x}{2}\) = 75  ⇒ x = 150 if sold at MRP, them SP = 150 P% = \(\frac{50}{100}\) × 100% = 50%