Industrial Engineering and Production Management
A feasible solution to the linear programming problem should

Satisfy the problem constraints and non-negativity restrictions
Optimise the objective function
Satisfy the non-negativity restrictions
Satisfy the problem constraints

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Industrial Engineering and Production Management
Which of the following are the guidelines for the construction of a network diagram?

Each activity is represented by one and only one arrow in the network
Dummy activity consumes no time or resource
Dangling must be avoided in a network diagram
All of the these

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