Following data refers to the activities of a project, where,

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Following data refers to the activities of a project, where, node 1 refers to the start and node 5 refers to the end of the project

The critical path (CP) in the network is

1. 1-2-3-5
2. 1-4-3-5
3. 1-2-3-4-5
4. 1-4-5

Correct Option: B

Critical path ⇒ 1 – 4 – 3 – 5
Time takes = 8 days