Mathematics · Time and Work
Three pipes, A, B and C, together can fill a tank in 8 hours. After working together for 2 hours, C is closed, and A and B can fill the remaining part in 9 hours. Find the time taken by C to fill the empty tank alo ne.
- 116 hours
- 224 hours✓
- 312 hours
- 420 hours
Correct answer
24 hours
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