Multiple choice general knowledge A Five minute shower requires about ____litres of water ? 80 90 150 110 Reveal answer Fill a bubble to check yourself D Correct answer Explanation A 5-minute shower with a standard flow rate uses about 110 liters of water. Older showerheads can use even more - low-flow fixtures reduce this to about 60-75 liters. Shorter showers are a key water-saving recommendation.