Civil Service Exam Reviewer · Measurement and Geometry · hard

A rectangular tank 3 m × 1 m × 2 m is filled by a hose delivering 20 liters per minute. How long will it take to fill the tank?

  1. 30 minutes
  2. 0.3 minutes
  3. 600 minutes
  4. 300 minutes (5 h)

Answer

D. 300 minutes (5 h)

Solution

Volume = 6 m³ = 6,000 L. Time = 6,000 ÷ 20 = 300 minutes.

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