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Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C

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Question: Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C must be completed before D, which of the following is a possible order of completion?

Options:

  1. B, A, C, D, E
  2. C, A, B, D, E
  3. A, C, B, D, E
  4. D, C, A, B, E

Correct Answer: B, A, C, D, E

Solution: 

The order B, A, C, D, E satisfies the conditions that A and B are before C, and C is before D.

Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C

Practice Questions

Q1
Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C must be completed before D, which of the following is a possible order of completion?
  1. B, A, C, D, E
  2. C, A, B, D, E
  3. A, C, B, D, E
  4. D, C, A, B, E

Questions & Step-by-Step Solutions

Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C must be completed before D, which of the following is a possible order of completion?
  • Step 1: Identify the tasks: A, B, C, D, and E.
  • Step 2: Understand the conditions: A and B must be completed before C.
  • Step 3: Understand the second condition: C must be completed before D.
  • Step 4: List the tasks that must come before C: A and B.
  • Step 5: List the tasks that must come before D: C.
  • Step 6: Create a possible order of tasks that satisfies both conditions.
  • Step 7: One possible order is B, A, C, D, E.
  • Step 8: Check the order: B and A are before C, and C is before D, so it satisfies the conditions.
  • Task Dependency – Understanding the sequence in which tasks must be completed based on given prerequisites.
  • Order of Operations – Identifying valid sequences that respect the constraints of task completion.
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