Mathematics · Time and Work
Pipe A can fill a cistern in 6 hours and B can fill it in 30 hours. Both pipes were turned on together, but due to a leakage at the bottom of the cistern, it took 30 minutes more to fill. Find the time that the leakage alone will take to empty the full cistern.
- 160 hours
- 254 hours✓
- 355 hours
- 465 hours
Correct answer
54 hours
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