Volume of water poured = 36 × 10 = 360 L Convert litres to cubic metres: 360 L = 0.36 m³ Base area of tank = 2 × 1.5 = 3 m² Rise in water level = Volume ÷ Base area • 0.36 ÷ 3 = 0.12 m • 0.12 m = 12 cm Final Answer: 12 cm