Mathematics · Pipes and Cisterns
A tank has an inlet pipe which can fill it from the empty state in 4 hours. When the tap was opened and the tank became 75% full, the tank developed a leak at the bottom which can empty the full tank in 2 hours. After the tank had leaked for an hour, it was noticed and the inlet tap was closed. What percentage of the tank will be empty after another hour?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 150%
- 275%
- 3100%✓
- 425%
Correct answer
100%
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