Pipes & Cisterns — practice questions, page 8
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QuestionThe tank in the figure is half full. Pipes A and B are opened alternately for one hour each,…QuestionPump A fills a tank in 30 minutes at a running cost of ₹ 5 per minute; pump B fills it in 60…QuestionAn inlet fills a tank in 4 hours. Two outlets sit at one-third and two-thirds of the height, and…QuestionPipe A fills a tank in 6 hours, pipe B in 9 hours, and pipe C empties it in 18 hours. They work…QuestionWater flows into an empty 6,000-litre tank at 10 litres per minute during the first hour, and the…QuestionA pipe that fills a tank in 12 hours is opened on the empty tank, and at the end of every hour one…QuestionPipe A fills a tank with plain water in 6 hours and pipe B fills it with juice concentrate in 9…QuestionA pipe fills a tank in 3 hours when it runs at full speed. It runs at full speed in the first…QuestionTwo inlets fill a tank in 12 and 18 hours, and an outlet empties it in 9 hours. The inlets are…QuestionPumps A and B fill a tank in 30 and 45 minutes. Both start together, but after 9 minutes A is…QuestionAn inlet fills a tank in 10 hours, and a leak would empty the full tank in 30 hours. When the tank…QuestionPipe A fills one-third of a tank in 4 hours and pipe B fills one-quarter of it in 2 hours. A is…QuestionA tap fills a cistern in 9 hours. When the cistern is one-third full, a leak starts that alone…QuestionPipe A fills a tank in 6 hours and pipe B in 12 hours. They were opened on the empty tank at 1…
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