The profit percentage on three articles A, B and C is 10%, 20%, and 25% and the ratio of the cost price is 1 : 2 : 4. Also the ratio of number of articles sold of A, B and C is 2 : 5 : 2, then overall profit percentage is:

• ক 0.185
• খ 0.23
• গ 0.21 ✅ সঠিক উত্তর
• ঘ 0.27