In a project involving tasks A, B, C, and D, if task D cannot start until task B

Practice Questions

Q1
In a project involving tasks A, B, C, and D, if task D cannot start until task B is completed, which of the following is a valid inference?
  1. B must be completed before D.
  2. D can start before B.
  3. A can start before B.
  4. C must be completed before D.

Questions & Step-by-Step Solutions

In a project involving tasks A, B, C, and D, if task D cannot start until task B is completed, which of the following is a valid inference?
  • Step 1: Identify the tasks involved in the project: A, B, C, and D.
  • Step 2: Understand the relationship between the tasks. The question states that task D cannot start until task B is completed.
  • Step 3: Recognize that this means task B must be finished before task D can begin.
  • Step 4: Conclude that since task D depends on task B, it is valid to say that B must be completed before D starts.
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