BSSC Inter Level · General Mathematics
Work efficiency and pipes-and-cisterns problems.
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Q1 · Time and Work · EASY
A can complete a piece of work in 12 days and B can complete the same work in 18 days. If they work together, in how many days will they complete the work?
Q2 · Time and Work · MEDIUM
15 workers can complete a construction work in 20 days. After 10 days of work, 5 workers left. In how many more days will the remaining workers complete the work?
Q3 · Time and Work · MEDIUM
A pipe can fill a tank in 6 hours. Another pipe can empty the same tank in 9 hours. If both pipes are opened together, in how many hours will the tank be filled?
Q4 · Time and Work · HARD
A and B together can complete a work in 8 days. B and C together can complete the same work in 12 days. A and C together can complete it in 16 days. In how many days can A alone complete the work?
Q5 · Time and Work · MEDIUM
A can complete a work in 15 days and B can complete the same work in 20 days. They work together for 6 days and then A leaves. In how many more days will B finish the remaining work?