Time & Work / Pipes — practice questions, page 10
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QuestionIn a day 2 men do as much work as 3 women, and 3 women do as much as 5 children. If 4 men, 6 women…QuestionTwo taps fill a storage drum in 36 minutes and 45 minutes respectively when each works alone. Both…QuestionKavita is 25% more efficient than Lalit. Working together they finish a stock-taking task in 20…QuestionDeepak alone can whitewash a community hall in 33 days and Eshwar alone in 22 days. They work on…QuestionA borewell pump fills an overhead tank in 8 hours when the tank is sound. Because of a crack in…QuestionA water tanker is filled by two nozzles that are never run together — one is used first and the…QuestionA job worth ₹36,000 is taken on jointly by Rajan and Sanjay. Rajan alone would need 30 days and…QuestionA tank has two inlets that alone would fill it in 40 minutes and 60 minutes, and an outlet that…QuestionA godown has to be stacked with 6,480 cartons. Each loader stacks 12 cartons per hour of work. If…QuestionA tank of capacity 7,200 litres stands empty. An inlet delivering 240 litres a minute and a drain…QuestionArun can complete a survey on his own in 30 days, and Bipin is 50% more efficient than Arun. Both…QuestionPipe P alone fills a tank in 50 minutes and pipe Q alone empties a full tank in 75 minutes. Both…QuestionTwelve labourers of equal skill were engaged to finish a job in 20 days. At the end of the fifth…QuestionAn empty cistern can be filled by tap A in 1 hour 12 minutes and by tap B in 1 hour 48 minutes.…QuestionEight machines running 6 hours a day take 15 days to complete an order. How many days will 12…QuestionA tank is being filled by a pipe that alone would fill it in 12 hours. Unnoticed, a leak that…Question5 men and 8 women can finish a harvesting job in 6 days, and 4 men and 12 women can also finish it…QuestionTaps X, Y and Z alone would fill a tank in 20, 30 and 60 minutes respectively. X and Y are opened…QuestionA tank of capacity 6,000 litres is filled by a single inlet. The inlet delivers 120 litres a…QuestionA workshop's 12 tailors turn out 240 shirts in 5 days. For a fresh order of 480 shirts the…QuestionA full tank can be emptied by its outlet in 30 minutes. An inlet that alone would fill the empty…QuestionThree welders are hired at ₹900, ₹750 and ₹600 a day. The job runs for 14 days, but the second…QuestionNaveen alone can compile a report in 24 days and Om alone in 36 days. They compile it on alternate…QuestionThree inlets that alone would fill a tank in 30, 20 and 60 minutes are opened together on an empty…QuestionA contractor agreed to finish a job in 30 days, with a penalty of ₹2,500 for each day beyond that.…
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