Word Problems Work Mock Tests

If 5 workers can paint a fence in 8 hours, how many hours would it take 10 workers to paint the same fence at the same rate?

Alice can complete a project in 12 days and Bob can complete the same project in 15 days. If they work together, approximately how many days will it take them to complete the project?

A can complete a job in 6 days and B can complete it in 3 days. Working together, how many days will they take?

Machine A can assemble 100 widgets in 5 hours and Machine B can assemble the same 100 widgets in 10 hours. If both machines work together, approximately how long will it take to assemble 100 widgets?

Alice can complete a task in 4 hours. Bob can complete the same task in 6 hours. If they work together, approximately how long will it take them to complete the task?

Alice can complete a task in 6 hours. Bob can complete the same task in 3 hours. How long will it take them to complete the task if they work together?