PK0-005 Project Life Cycle Practice Question
A project has three activities: Activity A (5 days), Activity B (7 days), Activity C (4 days). Activity B depends on A. Activity C depends on B. What is the total float for Activity B?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
0 days
This is a simple linear network: A (5) -> B (7) -> C (4). The critical path is A-B-C = 5+7+4=16 days. Activity B is on the critical path (no other paths), so its total float is zero. Total float for any activity on the critical path is zero.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
5 days
Why it's wrong here
This is the duration of Activity A, not the float for B.
- ✗
7 days
Why it's wrong here
This is the duration of Activity B, not its float.
- ✗
4 days
Why it's wrong here
This is the duration of Activity C, not the float for B.
- ✓
0 days
Why this is correct
Correct. Activity B is on the critical path, so its total float is 0 days.
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