1 . A shopkeeper mixes two varieties of tea. One costing Tk.35 per kg and another at Tk.45 per kg in the ratio 3 : 2. If he sells the mixed variety at 41.60 per kg, his gain or loss percent is---

• A. 4% gain
• B. 4% loss
• C. 20/3% gain
• D. 20/3% loss

Answer: Option C

Explanation: