Tk. 9,000 is divided among Abu, Rabu, Babu and Habu by 1 : 2 : 3 : 4 ratio. How much money do Rabu and Habu have together?

• ক Tk. 4,500
• খ Tk. 5,400 ✅ সঠিক উত্তর
• গ Tk. 3,600
• ঘ Tk. 6,300