A company blends two varieties of tea from two different tea gardens, one variety costing Tk. 30 per kg and the other Tk. 20 per kg in the ratio 4 : 3. He sells the blended tea at Tk. 27 per kg. Find the profit or loss percent.

• ক 7%
• খ 8%
• গ 10%
• ঘ 5% ✅ সঠিক উত্তর