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59. A water tank has two inlet pipes and one outlet pipe. The inlet pipes can fill the tank in 4 hours and 6 hours, respectively. The outlet pipe can empty the tank in 8 hours. If all three pipes are opened simultaneously, how long will it take to fill the tank?
This question appeared in the OPSC Prelims 2023 examination (GS-II). It is Question 59 out of 174 questions in this paper.
This question was part of the OPSC Prelims 2023 (GS-II). The OPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all OPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.