In the network shown in Figure 7.1, activity 4-5 can only be started when
A. Activity 3-4 is completed
B. Activity 2-4 is completed
C. Activity 2-3 is completed
D. Activity 2-4 and 2> -A are both comrade
Answer:D
In the network shown in Figure 7.1, activity 4-5 can only be started when
A. Activity 3-4 is completed B. Activity 2-4 is completed C. Activity 2-3 is completed D. Activity 2-4 and 2> -A are both comrade