Consider the following statements :The salient features of a bar chart over network are that :1. It is simple to draw and easy to understand.2. It is unable to depict interdependence of activities.3. It clearly distinguishes between critical and non-critical activities.4. It is not possible to crash activities to get optimum and minimum duration of the project.Which of the following statements given above are correct ?

Consider the following statements :The salient features of a bar chart

1.	Consider the following statements :The salient features of a bar chart over network are that :1. It is simple to draw and easy to understand.2. It is unable to depict interdependence of activities.3. It clearly distinguishes between critical and non-critical activities.4. It is not possible to crash activities to get optimum and minimum duration of the project.Which of the following statements given above are correct ?
A.	1, 2, 3 and 4
B.	2 and 3
C.	1, 2 and 4
D.	1, 3 and 4
Answer» D. 1, 3 and 4

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