A fruit seller purchases oranges at the rate of 3 for Rs. 5 and sells them at 2 for Rs. 4. His profit in the transaction is:

🧠 Explanation:

A fruit seller buys 3 oranges for Rs. 5 and sells 2 for Rs. 4, earning a 20% profit. To calculate, find the cost and selling price for 6 oranges: cost is Rs. 10 (3 × Rs. 5), and selling price is Rs. 12 (3 × Rs. 4). Profit is Rs. 2, which is 20% of Rs. 10. This shows how percentage profit works in trading, helping students and sellers understand business calculations easily.