Question 45

A pump moves water at 6 litres per minute for 9 minutes. How much water does it move?

1.5 litres
15 litres
54 litresCorrect answer
63 litres

Explanation

Multiplying 6 litres per minute by 9 minutes cancels the time unit and gives 54 litres. Dividing 9 by 6 would produce a time-per-volume quantity rather than the requested total volume.

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Question 45: A pump moves water at 6 litres per minute for 9 minutes.… · Ratios and Proportions · Questena