A project network has three activities on a single path: A (4 days) → B (6 days) → C (5 days), and a parallel path A (4 days) → D (3 days) → C (5 days). What is the duration of the critical path?

Question

Accepted Answer

15 days. Path 1 (A-B-C) = 4 + 6 + 5 = 15 days. Path 2 (A-D-C) = 4 + 3 + 5 = 12 days. The critical path is the longest path = 15 days. Choice B is the shorter parallel path, not the critical path.

A project network has three activities on a single path: A (4 days) → B (6 days) → C (5 days), and a parallel path A (4 days) → D (3 days) → C (5 days). What is the duration of the critical path?

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