4024/11 Oct/Nov 2025, Question 12: Compound Measures
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 3 marks
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The question, in short
A cuboid container measuring 10 cm by 8 cm by 9 cm is filled by water entering at 6 millilitres each second. Work out how many seconds are needed to fill it completely.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Volume = 10 × 8 × 9 = 720 cm³ = 720 ml
- 2Time = 720 ÷ 6 = 120 seconds
Answer120
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