Critical Path Analysis
MS-N3 is worth about 6 marks out of 100 in recent HSC Mathematics Standard 2 papers. Practise 6 exam-style questions (multi-part, multiple choice) with instant marking and a worked solution for every question.
START PRACTISINGExample questions
Example 1 · 1 mark · multiple choice
An activity has a float time of 3 days. What does this mean?
- AIt takes 3 days to complete
- BIt must start exactly 3 days after the project begins
- CIt can be delayed by up to 3 days without delaying the whole project
- DIt is on the critical path
Example 2 · 1 mark · multiple choice
A project has these activities.
| Activity | Duration (days) | Immediate prerequisites |
|---|---|---|
| A | 5 | – |
| B | 3 | – |
| C | 4 | A |
| D | 7 | B |
| E | 2 | C, D |
Which is the critical path?
- AB–D–E
- BA–C–E
- CA–B–C–D–E
- DB–D
Example 3 · 4 marks · multi-part
A project has the activities below.
| Activity | Duration (days) | Immediate prerequisites |
|---|---|---|
| A | 3 | – |
| B | 5 | – |
| C | 4 | A |
| D | 6 | A, B |
| E | 2 | C |
| F | 3 | D, E |
Answers and worked solutions appear when you practise these questions.
Other Mathematics Standard 2 topics
- MS-M1Applications of Measurement
- MS-M2Working with Time
- MS-M6Non-right-angled Trigonometry
- MS-M7Rates and Ratios
- MS-F1Money Matters
- MS-F4Investments and Loans
- MS-F5Annuities
- MS-S1Data Analysis
- MS-S2Relative Frequency and Probability
- MS-S4Bivariate Data Analysis
- MS-S5The Normal Distribution
- MS-A1Formulae and Equations
- MS-A2Linear Relationships
- MS-A4Types of Relationships
- MS-N2Network Concepts