Pearson Edexcel A Level · Business (9BS0)

Critical Path Analysis: Practice Questions

5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Critical Path Analysis.

8 questions16 marksFree, no account

Question 1

1 mark

What is the primary purpose of a business using Critical Path Analysis (CPA) during the planning phase of a large-scale construction project?

Question 2

1 mark

In a Critical Path Analysis network, if Activity C has an Earliest Start Time (EST) of 12 days and a duration of 5 days, and the succeeding Activity D has an EST of 20 days, what is the total float for Activity C?

Question 3

1 mark

Which of the following is a significant limitation of using Critical Path Analysis for a business entering a highly uncertain and dynamic global market?

Question 4

1 mark

Which of the following best describes an activity that lies on the critical path of a project network?

Question 5

1 mark

A project involves four sequential activities: A, B, C, and D.
- Activity A: duration 4 days, no predecessors.
- Activity B: duration 6 days, follows A.
- Activity C: duration 5 days, follows A.
- Activity D: duration 3 days, follows both B and C.

What is the Earliest Start Time (EST) for Activity D?

Question 6

2 marks

In a project network diagram, what is the meaning of the Earliest Start Time (EST) for a specific activity?

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

A project includes Activity C, which has a duration of 5 days. The Earliest Start Time (EST) for Activity C is day 8, and its Latest Finish Time (LFT) is day 15. Calculate the total float for Activity C.

Write your answer out first, then check it against the worked solution.

Question 8

6 marks

In a complex network diagram, an activity has an EST of day 10 and an EFT (Earliest Finish Time) of day 14. Its LFT is day 18. Determine the duration of the activity and its Latest Start Time (LST), showing your working.

Write your answer out first, then check it against the worked solution.

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