Which of the following statement is correct about the network diagram?

  • AThe events are represented graphically by circles or nodes at the beginning and the end of activity by arrows.
  • BThe tail end of the arrow represents the start of an activity.
  • CThe head of the arrow represents the end of an activity.
  • DAll of the above
Correct Answer : (D)

All of the above

Hints :

The work study is done by means of


In break-even analysis, total cost consists of

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