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Two pipes can fill a tank in 10 hours and 12 hours respectively while a third pipe empties the tank in 20 hours. If all the three pipes operate simultaneously, in how much time will the tank be filled?
This question appeared in the UKPSC Prelims 2016 examination (Paper-II). It is Question 38 out of 250 questions in this paper.
This question was part of the UKPSC Prelims 2016 (Paper-II). The UKPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all UKPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.