Problem-Solving and Data AnalysisVery hardConverting a leak rate to litres per second
Problem-Solving and Data Analysis practice question
A pipe leaks 5 cubic metres of water per hour. To the nearest hundredth, how many litres does it leak per second? (1 cubic metre is 1,000 litres.)
Answer: 1.39
5,000 litres per hour ÷ 3,600 seconds ≈ 1.39.
Common wrong answers
- If you answered 83.33
- 83.33 is litres per minute.
- If you answered 0.0014
- 0.0014 is cubic metres per second.
- If you answered 13.89
- 13.89 slips a decimal place.
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