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Question

For a particular project, eight activities are to be carried out. Their relationships with other activities and expected durations are mentioned in the table below.

Activity Predecessors Duration (days)
a - 3
b a 4
c a 5
d a 4
e b 2
f d 9
g c, e 6
h f, g 2

The critical path for the project is

A
a-b-c-f-h
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B
a-b-e-g-h
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C
a-c-g-h
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D
a-d-f-h
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Solution

The correct option is D a-d-f-h


Various paths:

1. abegh - 17 days

2. acgh - 16 days

3. adfh - 18 days

a-d-f-h is the critical path.

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