Problem-Solving and Data AnalysisHardLitres lost from a dripping tap in a day
Problem-Solving and Data Analysis practice question
A tap drips 4 millilitres of water every 10 seconds. How many litres does it drip in one day?
Answer: 34.56
0.4 mL per second × 86,400 seconds = 34,560 mL = 34.56 L.
Common wrong answers
- If you answered 3456
- 3456 slips two decimal places, giving centilitres or a unit error.
- If you answered 0.576
- 0.576 uses one hour instead of one day.
- If you answered 345.6
- 345.6 slips one decimal place.
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