Civil Service Exam Reviewer · Measurement and Geometry · hard
A rectangular tank 3 m × 2 m × 1 m is filled by a hose delivering 40 liters per minute. How long will it take to fill the tank?
- 15 minutes
- 150 minutes (2.5 h)
- 0.15 minutes
- 300 minutes
Answer
B. 150 minutes (2.5 h)
Solution
Volume = 6 m³ = 6,000 L. Time = 6,000 ÷ 40 = 150 minutes.
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