Time & Work / Pipes — practice questions, page 11
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QuestionPramod can finish three-eighths of a job in 15 days. Qadir works at one-third of Pramod's daily…QuestionA, B and C can do a piece of work in 20, 30 and 60 days. In how many days can A do the work if he…QuestionA does half as much work as B in three-fourths of the time. If together they take 18 days, how…QuestionA does a work in 90 days, B in 40 days and C in 12 days. They work one day each in turn, A on day…QuestionA completes 7/10 of a work in 14 days and then, with B's help, finishes the rest in 3 days. How…QuestionA does 20% of a work in 5 days. B then joins and together they finish the rest in 10 days. How…QuestionA can finish a task in 10 days working 6 hours a day. B can finish it in 12 days working 5 hours a…QuestionA and B can finish a work in 12 days, B and C in 16 days. A works 5 days and B 7 days, then C…QuestionA can finish a work in 12 days and B in 16 days. A starts; A and B work on alternate days. In how…QuestionA can do a work in 16 days and B in 24 days. A works every day, but B helps only on every second…QuestionA can do a piece of work in 30 days, B in 40 days, C in 60 days. A and B work for 6 days, then C…QuestionA can do a work in 24 days. After A has worked 6 days, B joins, and they finish in 8 more days.…QuestionA can finish a work in 6 days and B in 9 days. They work together for 2 days; then C joins and the…Question15 men working 8 hours a day finish a job in 20 days. How many men are needed to finish it in 12…Question12 men working 8 hours a day dig a 360 m trench in 18 days. In how many days will 16 men working 9…Question3 men or 5 women can do a job in 12 days. How long will 6 men and 5 women take?Question2 men and 3 women finish a job in 10 days; 3 men and 2 women finish it in 8 days. How long will 2…Question8 men or 12 women finish a job in 25 days. How long will 6 men and 12 women take?Question6 men and 8 boys finish a job in 10 days; 26 men and 48 boys finish it in 2 days. How long will 15…Question4 men = 6 women = 9 boys in work. 4 men finish a job in 27 days. How long will 2 men, 3 women and…Question2 men and 7 children finish a job in 4 days; 4 men and 4 children finish it in 3 days. How long…QuestionA contractor employs 30 workers to finish in 45 days. After 15 days only one-fourth is done. How…Question20 men do 60% of a job in 12 days. How many more men are needed to finish the rest in 4 days?Question12 men or 15 women can finish a job in 14 days. How long will 7 men and 5 women take?Question4 men and 6 women finish a job in 8 days; 3 men and 7 women finish it in 10 days. How long will 10…
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