Question

The project activities, precedence relationships and durations are described in the table. The critical path of the project is              

     

Activity	precedence	Duration  (in days)
P	-	3
Q	-	4
R	P	5
S	Q	5
T	R,S	7
U	R,S	5
V	T	2
W	U	10

      (a) P-R-T-V                     (b) Q-S-T-V                 (c) P-R-U=W                   (d)  Q-S-U-W