plumiCritical path analysis: OCR A‑Level Further Maths questions
Every OCR A-Level Further Maths exam question on D.3 Critical path analysis, 2018–2025, with its mark scheme and examiner’s report.
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All 14 questions on Critical path analysis, as a list
- June 2025, Discrete Mathematics, Q4 (14 marks): The table shows the activities involved in a project, together with the immediate predecessors and the duration of each activity in hours. Immediate Duration Ac
- June 2025, AS Discrete Mathematics, Q6 (9 marks): The table shows the activities involved in a project, together with their immediate predecessors and the duration of each activity in hours. Activity Duration I
- June 2024, Discrete Mathematics, Q4 (16 marks): A project is represented by the activity network below. The activity durations are given in hours. C(5) A(2) F(2) D(3) G(1) B(4) E(1) (a) By carrying out a forw
- June 2024, AS Discrete Mathematics, Q4 (9 marks): A project is represented by the activity network below. The activity durations are given in minutes. C(3) 3 2 E(2) A(2) 0 D(2) 5 B(4) F(1) 1 4 (a) Give the reas
- June 2023, Discrete Mathematics, Q1 (7 marks): The table below shows the activities involved in a project together with the immediate predecessors and the duration of each activity. Activity Immediate predec
- June 2023, AS Discrete Mathematics, Q5 (11 marks): Hiro has been asked to organise a quiz. The table below shows the activities involved, together with the immediate predecessors and the duration of each activit
- June 2022, Discrete Mathematics, Q2 (9 marks): The table below shows the activities involved in a project together with the immediate predecessors and the duration of each activity. Activity Immediate predec
- June 2022, AS Discrete Mathematics, Q2 (7 marks): The activities involved in a project and their durations, in hours, are represented in the activity network below. A(5) C(6) F(3) D(4) B(3) G(4) E(2) (a) Carry
- November 2021, AS Discrete Mathematics, Q6 (11 marks): Sarah is having some work done on her garden. The table below shows the activities involved, their durations and their immediate predecessors. These durations a
- November 2020, Discrete Mathematics, Q6 (13 marks): A project is represented by the activity on arc network below. 3 7 D(4) J(2) A(4) E(2) 1 5 8 I(x) H(3) F(3) B(2) K(5) 2 C(1) 4 G(5) 6 The duration of each activ
- November 2020, AS Discrete Mathematics, Q4 (10 marks): Bob is extending his attic with the help of some friends, including his architect friend Archie. The activities involved, their durations (in days) and Bob’s no
- June 2019, Discrete Mathematics, Q2 (7 marks): A project is represented by the activity network and cascade chart below. The table showing the number of workers needed for each activity is incomplete. Each a
- June 2019, AS Discrete Mathematics, Q4 (10 marks): The table shows the activities involved in a project, their durations in hours and their immediate predecessors. The activities can be represented as an activit
- June 2018, AS Discrete Mathematics, Q6 (17 marks): Sheona and Tim are making a short film. The activities involved, their durations and immediate predecessors are given in the table below. Activity Duration (day
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