Mathematics · Time and Work
A swimming pool has 3 taps. The first tap takes 3 days, the second tap takes 2 days, and the third tap takes 18 hours to fill the pool. All three taps are opened together. After 8 hours, the second tap is closed. What is the total time taken to fill the pool completely?
- 114 hours
- 213 hours
- 312 hours✓
- 411 hours
Correct answer
12 hours
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