Question
The activities of a project, their duration and the precedence relationships are given in the table. For example, in a precedence relationship “X < Y, Z” means that X is predecessor of activities Y and Z. The time to complete the activities along the critical path is ________ weeks
| Activity | Duration (Weeks) | Precedence Relationship |
| A | 5 | A<B,C,D |
| B | 7 | B<E,F,G |
| C | 10 | C<I |
| D | 6 | D<G |
| E | 3 | E<H |
| F | 9 | F<I |
| G | 7 | G<I |
| H | 4 | H<I |
| I | 2 | --- |
Options :
17
21
23
25
Answer :
23
Solution :
So critical path is A - B - F - I
Critical path duration = 23 weeks
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