If task C must be completed before task A, and task A must be completed before t

Practice Questions

Q1
If task C must be completed before task A, and task A must be completed before task D, which of the following is a correct inference?
  1. C can start after A
  2. D can start before A
  3. A can start before C
  4. D can start only after C

Questions & Step-by-Step Solutions

If task C must be completed before task A, and task A must be completed before task D, which of the following is a correct inference?
  • Step 1: Identify the tasks and their order. We have three tasks: C, A, and D.
  • Step 2: Understand the relationships: Task C must be completed before Task A. This means C comes first.
  • Step 3: Next, Task A must be completed before Task D. This means A comes before D.
  • Step 4: Combine the information: Since C must be done before A, and A must be done before D, we can say C -> A -> D.
  • Step 5: Determine when Task D can start: Task D can only start after both Task A and Task C are completed.
  • Step 6: Conclude that the inference is correct: D can only start after both A and C are completed.
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