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If Tank is full with Pipe A in 15 minutes and empty from Pipe B and C in 40 minutes and 45 minutes respectively, how much time will it take to fill the tank if all pipes are open while the tank is 2/9 full?

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If Tank is full with Pipe A in 15 minutes and empty from Pipe B and C in 40 minutes and 45 minutes respectively, how much time will it take to fill the tank if all pipes are open while the tank is 2/9 full? Answer: 40 minutes

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the Education Testing Council by HEC preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.