| In what ratio must we mix tea costing Rs 72 per kg with the tea costing Rs 82 per kg so that the mixture is worth Rs 74.50 per kg? |
3:1 3:2 4:3 5:3 |
| 3:1 |
| let C = Rs. 72 / KG , D = Rs. 82 / KG and M = Rs. 74.5 / KG Then the ratio of mixes is (D-M): (M-C) |