mediumMultiple ChoiceObjective-mapped
PK0-005 Practice Question: Refer to the exhibit
Exhibit
Task | Duration | Dependencies | Start | Finish A | 5d | None | Day 1 | Day 5 B | 3d | A | Day 6 | Day 8 C | 4d | A | Day 6 | Day 9 D | 2d | B,C | Day 10| Day 11
Refer to the exhibit. What is the total duration of the project?
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
✓
11 days
The critical path is A → B → D or A → C → D. A takes 5 days (days 1-5). B takes 3 days (days 6-8), C takes 4 days (days 6-9). D depends on both B and C, so it starts after the latest finish (day 9) and finishes on day 11. Thus total duration is 11 days. Option D is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
9 days
Why it's wrong here
9 days is less than the critical path.
- ✗
8 days
Why it's wrong here
8 days is not possible given the task durations.
- ✗
14 days
Why it's wrong here
This would be if durations were summed without considering dependencies.
- ✓
11 days
Why this is correct
Project starts day 1, ends day 11, total 11 days.
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