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A tank with a capacity of 2,250 litres is filled by a pipe in 1 hour 15 minutes. How many litres per minute does the pipe deliver?

Competition practicePipes & Cisterns
  • A30 L/min
  • B1,800 L/min
  • C22.5 L/min
  • D18 L/min

Step-by-Step Solution

1 h 15 min min; L/min. (22.5 uses 100 minutes, 1,800 is per hour.)
Answer: A) 30 L/min

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