- A
- B20 h
- C12 h
- D16 h
Step-by-Step Solution
A in 2 h: . The next took 8 h → net . B → 16 h h is the net time.)
Answer: D) 16 h
Pipe A fills a tank in 10 hours. Starting with the tank empty, A is opened; 2 hours later outlet B is also opened, and after 8 more hours the tank is exactly half full. How long would B alone take to empty the full tank?
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