The ratio of water and alcohol in two different containers is 2 : 3 and 4 : 5. In what ratio we are required to mix the mixtures of two containers in order to get the new mixture in which the ratio of alcohol and water be 7 : 5?

• ক 5:3 ✅ সঠিক উত্তর
• খ 8:5
• গ 2:7
• ঘ 7:3
• 5 3:5