Industrial Engineering and Production Management
Which of the following conditions are necessary for applying linear programming?

All of these
The resources must be in limited supply.
The decision variables should be interrelated and nonnegative.
These must be a well defined objective function.

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Industrial Engineering and Production Management
Slack represents the difference between the

Latest allowable time and the earliest expected time
Normal allowable time and the latest expected time
Proposed allowable time and the earliest expected time
Latest allowable time and the normal expected time

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Industrial Engineering and Production Management
Pick up the incorrect statement from the following. A critical ratio scheduling

Determines the status of each activity
Establishes the relative priorities among various activities on a common basis
Adjusts automatically changes in activity progress
All of the these

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