- A36 h
- B45 h
- C25 h
- D40 h
Step-by-Step Solution
Let B fill 4 units/h, A 5 units/h. Tank units. A alone: h. (45 h is B alone.)
Answer: A) 36 h
Pipe A is 25% faster than pipe B. Together they fill a tank in 20 hours. How long would A take alone?
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