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
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