Question

A project starts with activity A and ends with activity F. The precedence relation and durations of the activities are as per the following table:

Activity	Immediate predecessor	Duration (days)
A	-	4
B	A	3
C	A	7
D	B	14
E	C	4
F	D, E	9

The minimum project completion time (in days) is

• A. 30

Answer 1

The correct option is A 30

There are two path,

$\text{A - B - D - F = 30 days}$

$\text{A - C - E - F = 24 days}$

$\text{Critical path A-B-D-F and of 30 days.}$

it is also the minimum time required to complete a project.