Find the ratio in which rice at Tk. 7.20 a kg be mixed with rice at Tk. 5.70 a kg to produce a mixture worth Tk. 6.30 a kg-

• ক 2 : 3 ✅ সঠিক উত্তর
• খ 6 : 8
• গ 2 : 5
• ঘ 3 : 2