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

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

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

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

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