A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for 3200 Tk. With the help of C they completed the work in 3 days. How much is to be paid to C?

• ক 400 Tk. ✅ সঠিক উত্তর
• খ 600 Tk.
• গ 1210 Tk.
• ঘ 1600 Tk.