Time and Work Fundamentals and Methods

Time and Work Fundamentals and Methods

#### If 12 workers can build a wall in 6 days, how many workers are needed to build the same wall in 3 days? 1. [ ] 4 workers 2. [ ] 6 workers 3. [x] 24 workers 4. [ ] 72 workers #### A pipe can fill a tank in 24 hours. However, if there is a leak in the tank, it would take 30 hours for the tank to be full. How long would it take for the leak to drain the full tank? 1. [ ] 60 hours 2. [x] 120 hours 3. [ ] 48 hours 4. [ ] 24 hours #### If 16 workers can complete a project in 12 days, how many workers are required to finish the same project in 6 days? 1. [x] 32 workers 2. [ ] 24 workers 3. [ ] 16 workers 4. [ ] 8 workers #### If 12 workers can complete a job in 8 days, how many days it would take for 24 workers to complete the same job? 1. [x] 4 days 2. [ ] 5 days 3. [ ] 6 days 4. [ ] 8 days #### "John can complete a certain task in 12 hours, while Lisa can complete the same task in 8 hours. If they work together on the task, how long will it take them to complete it?" 1. [x] 4.8 hours 2. [ ] 6 hours 3. [ ] 7.2 hours 4. [ ] 9 hours