Nimra bought a laptop at a 20% discount on the original price and then sold it at a 40% profit on her purchase price. What was her total percentage profit on the original price?
Q1. Nimra bought a laptop at a 20% discount on the original price and then sold it at a 40% profit on her purchase price. What was her total percentage profit on the original price?
Answer: 12%
Explanation: Purchase price = 80% of original; selling at 40% profit on that gives 0.8 × 1.4 = 1.12 times original, a net profit of 12%.