A project has four activities. Activity A has no predecessors and a duration of 1 week. Activity B has Activity A as its predecessor and a duration of 4 weeks. Activity C has Activity A as its predecessor and a duration of 3 weeks. Activity D has activities B and C as its predecessors and a duration of 2 weeks. What is the length of critical path for this project?
A) 4
B) 5
C) 7
D) Cannot be determined from the information given

Question

Quizplus · Accepted Answer

The critical path is the longest path through the network of activities. In this case, the longest path is A - B - D, which has a duration of 1 + 4 + 2 = 7 weeks. Therefore, the length of the critical path for this project is 7 weeks.

There is only one correct answer, which is C.

A Project Has Four Activities