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Pipe A can fill a tank in 10 hours and Pipe B can empty it in 15 hours · If both are opened together, how long will it take to fill the tank?
25 hours
30 hours
20 hours
35 hours
30 hours
Practice and solve "Pipe A can fill a tank in 10 hours and Pipe B can empty it in 15 hours · If both are opened together,..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option B: 30 hours · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Pipe A can fill a tank in 10 hours and Pipe B can empty it in 15 hours · If both are opened together,..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option B: 30 hours · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.