- A8 L/min
- B240 L/min
- C12 L/min
- D4 L/min
Step-by-Step Solution
Leak L/h; net L/h. Tap L/h L/min. (240 is per hour.)
Answer: D) 4 L/min
A full 4,320-litre cistern leaks empty in 6 hours. If a tap is opened at the same time, the full cistern empties in 9 hours instead. How many litres per minute does the tap bring in?
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