Time & Work / Pipes — practice questions, page 7
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QuestionTwo pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. Both are opened…QuestionP alone can lay a road in 30 days, Q alone in 45 days. They work together for 9 days and then P…QuestionEight painters can finish painting a school in 21 days. How many days will 14 painters need,…QuestionA is twice as efficient as B. Working together, they complete a piece of work in 8 days. In how…QuestionMeena can do a job in 12 days and Lata in 18 days. They start together, but Meena leaves 3 days…QuestionA housing society in Nagpur has two inlet pipes for its sump. One fills the empty sump in 18 hours…QuestionOn a Jaipur rooftop, a tap fills an empty water tank in 9 hours, but a crack at the bottom can…QuestionTwo hoses fill a temple tank in 24 minutes and 40 minutes respectively. Both are started together,…QuestionA pipe fills an empty fish pond in 16 hours, but an outlet at its base drains a full pond in 80…QuestionGeeta can finish a job in 24 days and Farhan in 36 days. They start together, but Geeta leaves…QuestionPranav is 50% more efficient than Vikas. Together they complete a project in 18 days. How many…QuestionHow many hours will a large school sump take to fill if two taps feed it together, one able to…QuestionA can do a piece of work in 24 days. He works alone for 6 days, then B joins him and together they…QuestionPipe P fills a tank in 11 hours and pipe Q fills it in 33 hours. With both open, in how many hours…QuestionAn inlet pipe can fill a cistern in 14 hours, but a crack at the bottom can drain the full cistern…QuestionTwo taps fill a school's water tank in 21 hours and 42 hours respectively. Opened together, in how…QuestionTwo painters, Salim and Deepak, take 36 days and 60 days respectively to paint a school building…QuestionGita can embroider a set of cushion covers in 45 days and her apprentice needs 180 days for the…QuestionA is twice as efficient as B, and together they complete a work in 8 days. In how many days can B…QuestionNikhil alone can paint a community hall in 24 days. He paints for 8 days and leaves, and Arjun…QuestionPipe X fills a tank in 12 hours and pipe Y in 18 hours. Both are opened together, but Y is turned…QuestionHarish can type a thesis in 36 hours and Leela can type it in 44 hours. If they split the typing…QuestionMeena can embroider a set of cushion covers in 9 days and Farida in 18 days. They start together,…QuestionA is twice as efficient as B. Working together they finish a work in 12 days. In how many days can…QuestionTwo hoses can fill a garden pool in 10 minutes and 15 minutes. Both are turned on, but after 3…
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