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GATE Mechanical Engineering (ME) 2012 Solved Paper

Question Numbers: 62-63
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)

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

Question : 63

Total: 65

If the duration of activity f alone is changed from 9 to 10 days, then the

Critical path remains the same and the total duration to complete the project
Changes to 19 days.
Critical path and the total duration to complete the project remain the same.
Critical path changes but the total duration to complete the project remains the same.
Critical path changes and the total duration to complete the project changes to 17 days.

Validate

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