Civil Service Exam Reviewer · Measurement and Geometry · hard
A rectangular tank 1 m × 1 m × 1 m is filled by a hose delivering 40 liters per minute. How long will it take to fill the tank?
- 2.5 minutes
- 0.03 minutes
- 50 minutes
- 25 minutes
Answer
D. 25 minutes
Solution
Volume = 1 m³ = 1,000 L. Time = 1,000 ÷ 40 = 25 minutes.
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