PK0-005 Project Life Cycle Practice Question
A project has three activities on the critical path: A (5 days), B (10 days), C (5 days). Activity D (8 days) has a total float of 3 days. If activity B is delayed by 2 days, what is the new project duration?
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
✓
22 days
Original critical path duration = 5+10+5 = 20 days. Delaying B by 2 days adds 2 days to the critical path, so new duration = 22 days. Float of D doesn't affect critical path.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
21 days
Why it's wrong here
Incorrect addition.
- ✗
20 days
Why it's wrong here
The delay extends the critical path.
- ✓
22 days
Why this is correct
Correct: 20 + 2 = 22 days.
- ✗
23 days
Why it's wrong here
Incorrect.
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