Word Problems Work Mock Tests

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?

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?

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 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?

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?

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