Tasks B and D start after Task A is completed.
Task C starts after Tasks B and D are completed.
task E starts after Task D is completed.
Task H starts after task B is completed.
Task G starts after Tasks C and H are completed.
Task F starts after Task E is completed.
Following are the durations of all tasks:
Which of the following tasks are on the critical path?
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A. B. C. D.B.