A shopkeeper bought 30 books and sold 25 books for same price. What percentage had he gained or lost?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 20% gain.
Cost price of 30 books = Selling price of 25 books
So, profit on 25 books = Cost of 5 books
Profit % = (5 / 25) × 100 = 20%
Answer: 20% gain