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CPM Question - Activity Times

The following represents a project with known activity times. All times are in weeks.
Activity Predecessor Immediate Time
A - 4
B - 3
C A 2
D B 7
E C, D 4
F B 5
1. Using the data in the table above, what is the minimum possible time required for completing the project?
a.) 8
b.) 14
c.) 25
d.) 10
e.) none of the above

2. Using the data in the table above, what is the latest possible time that C may be started without delaying completion of the project?
a.) 0
b.) 4
c.) 8
d.) 10
e.) none of the above

3. According to the table above, compute the slack time for activity D.
a.) 0
b.) 5
c.) 3
d.) 6
e.) none of the above

Solution Preview

1. Using the data in the table above, what is the minimum possible time required for completing the project?
a.) 8
Hint:
Start ? B ? F ? Finish
That is, 3 + 5 = 8 weeks

2. Using the data in ...

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