Time & Work

Question: A machine completes a job in 10 hours. What fraction of the job does it do in one hour? […]

Question: A machine completes a job in 7 hours. What fraction of the job does it do in one hour? […]

Question: If 4 equally productive workers finish a task in 5 days, how many worker-days does it require? 21 worker-days […]

Question: If 9 workers finish a task in 11 days, how many days will 18 equal workers need? 6 days […]

Question: A machine completes a job in 13 hours. What fraction of the job does it do in one hour? […]

Question: One worker takes 18 hours and another 20 hours for the same job. How long working together? 180/19 hours […]

Question: If 9 workers finish a task in 13 days, how many days will 18 equal workers need? 7 days […]

Question: If 3 workers finish a task in 9 days, how many days will 6 equal workers need? 5 days […]

Question: If 7 equally productive workers finish a task in 13 days, how many worker-days does it require? 92 worker-days […]

Question: If 9 equally productive workers finish a task in 13 days, how many worker-days does it require? 118 worker-days […]