a. Operational Research is the application of scientific method to the study of alternatives in a problem situation, with a view to provide a quantitative basis for arriving at an optimum solution in terms of the goals sought.
1. Acoff
b. Operational Research is a scientific method of providing executive departments with a quantitative basis for decisions under their control.
2. T. Satty
c. Operational Research application of scientific method, techniques and tools to problems involving the operations of systems so as to provide those in control of the operations with optimum solution to the problems.
3. Koontz and O'Donnell
d. Operational Research is the art of giving bad answers to the problems otherwise which has worst answer.
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