CPM method of network analysis is1. Ideally suited for linearly extending works2. Meant essentially for research and development activities.3. Activity-oriented4. Used for planning, scheduling and controlling purposes

CPM method of network analysis is1. Ideally suited for linearly exten

1.	CPM method of network analysis is1. Ideally suited for linearly extending works2. Meant essentially for research and development activities.3. Activity-oriented4. Used for planning, scheduling and controlling purposes
A.	1 and 2 only
B.	2 and 3 only
C.	3 and 4 only
D.	1 and 4 only
Answer» D. 1 and 4 only