Total volume = Edge³. Initial water + tap water added.

• Total capacity = 16 × 16 × 16 = 4096 cm³
• Initial water = \(\frac{1}{4}\) × 4096 = 1024 cm³
• Tap adds 1 l/min for 2 min = 2 l = 2000 cm³
• Total water in tank = 1024 + 2000 = 3024 cm³
• 3024 ÷ 1000 = 3 remainder 24
• 3 l 24 ml

Final Answer: 3 l 24 ml