Mathematics for IGCSE & O level - Rates (Section 2 - No. 11)
What is the average rate of flow if it takes 30 minutes to fill a 1000 liter tank?
1000 L/min
33.33 L/min
2000 L/hr
500 L/hr
Explanation
30 minutes = 0.5 hour. Rate = 1000 L / 0.5 hr = 2000 L/hr.
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