Industrial Engineering and Production Management
In order that linear programming techniques provide valid results

Relations between factors must be linear (negative)
Only one factor should change at a time, others remaining constant
Either (A) or (B)
Relations between factors must be linear (positive)

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

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

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