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A tap can fill a cistern in 10 hours and another tap can empty it in 20 hours. If both taps are opened, the time (in hours) taken to fill the tank will be:
18 hours
20 hours
15 hours
30 hours
20 hours
Practice and solve "A tap can fill a cistern in 10 hours and another tap can empty it in 20 hours. If both taps are open..." for Mathematics - Previous Year Paper 2026. The correct answer is Option B: 20 hours. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A tap can fill a cistern in 10 hours and another tap can empty it in 20 hours. If both taps are open..." for Mathematics - Previous Year Paper 2026. The correct answer is Option B: 20 hours. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.