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In a project with tasks P, Q, R, and S, if P must be completed before Q and R, a

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Question: In a project with tasks P, Q, R, and S, if P must be completed before Q and R, and S can be done at any time, which of the following is a possible order of completion?

Options:

  1. P, Q, R, S
  2. R, P, Q, S
  3. S, P, Q, R
  4. Q, R, P, S

Correct Answer: P, Q, R, S

Solution: 

The order P, Q, R, S respects the dependency of P on Q and R.

In a project with tasks P, Q, R, and S, if P must be completed before Q and R, a

Practice Questions

Q1
In a project with tasks P, Q, R, and S, if P must be completed before Q and R, and S can be done at any time, which of the following is a possible order of completion?
  1. P, Q, R, S
  2. R, P, Q, S
  3. S, P, Q, R
  4. Q, R, P, S

Questions & Step-by-Step Solutions

In a project with tasks P, Q, R, and S, if P must be completed before Q and R, and S can be done at any time, which of the following is a possible order of completion?
  • Step 1: Identify the tasks involved in the project: P, Q, R, and S.
  • Step 2: Understand the dependencies: P must be completed before Q and R.
  • Step 3: Note that S can be completed at any time, with no dependencies.
  • Step 4: Determine a possible order of completion that respects the dependencies.
  • Step 5: One valid order is to complete P first, then Q, then R, and finally S.
  • Step 6: Verify that this order follows the rules: P is done before Q and R, and S can be last.
  • Task Dependency – Understanding the order in which tasks must be completed based on their dependencies.
  • Project Management – Applying principles of project management to determine task sequences.
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