Armed Forces Classification Test (AFCT) Arithmetic Reasoning Practice Test 2026 - Free AFCT Practice Questions and Study Guide

Question: 1 / 400

If it takes 5 workers 10 hours to complete a task, how long will it take 10 workers to complete the same task?

5 hours

To determine how long it will take 10 workers to complete the same task, we can first calculate the total amount of work that needs to be done in worker-hours. If 5 workers complete the task in 10 hours, the total work can be expressed as:

Total Work = Number of Workers × Time

= 5 workers × 10 hours

= 50 worker-hours.

Now, if we have 10 workers, we can find out how long it will take them to complete the same amount of work.

Using the formula:

Time = Total Work / Number of Workers

Substituting the numbers we have:

Time = 50 worker-hours / 10 workers

= 5 hours.

This calculation shows that with twice the number of workers, the time taken to complete the task is halved. Therefore, with 10 workers, the task can be completed in 5 hours.

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