plumiCritical path analysis: Edexcel International A Level Maths questions
Every Edexcel International A Level Maths exam question on D1.4 Critical path analysis, 2019–2025, with its mark scheme and examiner’s report.
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All 24 questions on Critical path analysis, as a list
- June 2025, AS Decision 1 (D1), Q7 (16 marks): A C B D I E F G H L K J M N Figure 3 A project is modelled by the activity network shown in Figure 3. The activities are represented by the arcs. The number in
- January 2025, AS Decision 1 (D1), Q4 (6 marks): Activity Immediately preceding activities A ‑ B ‑ C ‑ D A E A, B, C F A, B, C G C H D, E, F I F J F, G K F, G (a) Draw the activity network described in the pre
- January 2025, AS Decision 1 (D1), Q7 (14 marks): 1 3 5 8 11 10 9 6 4 2 7 A C B F G H K J I E D L P M R Q N Figure 3 A project is modelled by the activity network shown in Figure 3. The activities are represent
- June 2024, AS Decision 1 (D1), Q2 (10 marks): A B C D E F G H I J K L M N Figure 1 [The sum of the durations of all the activities is 59 days.] The network in Figure 1 shows the activities that need to be u
- June 2024, AS Decision 1 (D1), Q6 (10 marks): Activity Immediately preceding activities A ‑ B ‑ C A D ‑ E A, B, D F D G A, B, D H F, G I A J F, G K C, E, H, I L I M C, E, H, I (a) Draw the activity network
- January 2024, AS Decision 1 (D1), Q1 (13 marks): A B C D E F G H J I K L Figure 1 A project is modelled by the activity network shown in Figure 1. The activities are represented by the arcs. The number in brac
- January 2024, AS Decision 1 (D1), Q4 (7 marks): Activity Immediately preceding activities A – B – C A, B D A, B E B F C, D, E G F H B I F J F K G L G, H, I, J M G, I (a) Draw the activity network described in
- June 2023, AS Decision 1 (D1), Q1 (10 marks): A B C D E F G H I J K L M N P Q Figure 1 A project is modelled by the activity network shown in Figure 1. The activities are represented by the arcs. The number
- June 2023, AS Decision 1 (D1), Q5 (7 marks): Activity Immediately preceding activities A - B - C - D A E A F B, C, E G B, C, E H C I C J D, F, G, H, I K D, F, G, H, I L I (a) Draw the activity network desc
- January 2023, AS Decision 1 (D1), Q4 (13 marks): Activity Immediately preceded by Activity Immediately preceded by Activity Immediately preceded by A – G M D, G B – H N C – I P D A J Q E C K D, G R F C L D, G
- June 2022, AS Decision 1 (D1), Q2 (11 marks): 13 22 26 9 0 0 A B C D E F G H I( y) J K L M N(x) 26 Figure 1 The network in Figure 1 shows the activities that need to be undertaken to complete a project. Eac
- June 2022, AS Decision 1 (D1), Q5 (9 marks): The precedence table shows the eleven activities required to complete a project. Activity Immediately preceding activities A – B – C – D A, B E A, B F B, C G B,
- January 2022, AS Decision 1 (D1), Q3 (5 marks): Activity Immediately preceding activities A – B – C – D A, B, C E A, B, C F C G F H D I D, E, G J D, E
- January 2022, AS Decision 1 (D1), Q4 (10 marks):
- October 2021, AS Decision 1 (D1), Q4 (11 marks): 12 13 5 x 0 0 13 13 20 20 y z 25 25 6 6 20 21 F(w) C(v) A B J E D H K L G I M Figure 2 The network in Figure 2 shows the activities that need to be carried out
- June 2021, AS Decision 1 (D1), Q2 (10 marks): D G A F N P K H M C E J I B L Q Figure 1 A project is modelled by the activity network shown in Figure 1. The activities are represented by the arcs. The number
- June 2021, AS Decision 1 (D1), Q6 (9 marks): Activity Immediately preceding activities A – B – C – D A E A F A, B, C G C H G I D, E, F, H J I K I L I M L (a) Draw the activity network for the project descr
- January 2021, AS Decision 1 (D1), Q6 (13 marks): Activity Duration (days) Immediately preceding activities A 4 – B 7 – C 6 – D 10 A E 5 A F 7 C G 6 B, C, E H 6 B, C, E I 7 B, C, E J 9 D, H K 8 B, C, E L 4 F, G
- October 2020, AS Decision 1 (D1), Q4 (7 marks): (a) Draw the activity network described by the precedence table below, using activity on arc. Use dummies only where necessary. Activity Immediately preceding a
- October 2020, AS Decision 1 (D1), Q5 (12 marks): A D J M C B E H F G I K P L N Figure 1 A project is modelled by the activity network shown in Figure 1. The activities are represented by the arcs. The number i
- January 2020, AS Decision 1 (D1), Q3 (9 marks): 24 24 4 10 7 y 0 0 7 7 z 17 17 17 33 33 28 33 H M L K J D(x) E F G C B A I Figure 2 The network in Figure 2 shows the activities that need to be undertaken by a
- January 2020, AS Decision 1 (D1), Q5 (7 marks): Activity Immediately preceding activities A – B – C – D A E C F A, B, C G A, B, C H D, F, G I A, B, C J D, F, G K H L D, E, F, G, I (a) Draw the activity networ
- June 2019, AS Decision 1 (D1), Q4 (12 marks): D J E B A I H G C F 1 2 3 4 K 6 7 5 L N 9 8 M Figure 3 A project is modelled by the activity network shown in Figure 3. The activities are represented by the ar
- June 2019, AS Decision 1 (D1), Q6 (8 marks): Activity Immediately preceding activities A – B – C – D – E A F A, B, C G C H C I D, H J E K E L F, G, I M G, I (a) Draw the activity network described in the p
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