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A pipe can fill a tank in 18 hours. Another pipe can empty the filled tank in 21 hours. If both the pipes are opened simultaneously, then the time (in hours) in which the tank will be filled is:
126
128
129
127
126
Practice and solve "A pipe can fill a tank in 18 hours. Another pipe can empty the filled tank in 21 hours. If both the ..." for General Awareness - Previous Year Paper 2024. The correct answer is Option A: 126. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A pipe can fill a tank in 18 hours. Another pipe can empty the filled tank in 21 hours. If both the ..." for General Awareness - Previous Year Paper 2024. The correct answer is Option A: 126. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.