In the network shown in the picture (Figure top), concurrent and preceding activities according to 2-4 activity are respectively
A. 1-2 and 4-7
B. 2-3 and 1-2
C. 2-3 and 4-7
D. 1-2 and 3-6
Answer:B
In the network shown in the picture (Figure top), concurrent and preceding activities according to 2-4 activity are respectively
A. 1-2 and 4-7 B. 2-3 and 1-2 C. 2-3 and 4-7 D. 1-2 and 3-6