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Pipe A can fill a tank in 12 hours, and Pipe B can fill it in 18 hours · If both are opened together, how long will it take to fill the tank?
7.2 hours
7.5 hours
8.0 hours
8.4 hours
7.2 hours
Practice and solve "Pipe A can fill a tank in 12 hours, and Pipe B can fill it in 18 hours · If both are opened together,..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option A: 7.2 hours · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Pipe A can fill a tank in 12 hours, and Pipe B can fill it in 18 hours · If both are opened together,..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option A: 7.2 hours · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.