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Q1. (a) Define an OR model and give 4
examples. State properties, advantages & limitations.
(b)
State the phases of an OR study and give their importance in solving problems.
Q2. What is feasibility region? is it
necessary that it should always be a convex set?
Q3. What are the types of inventories?
Explain.
Q4. What function does inventory perform?
Q5. Briefly discuss the Delphi method of
making forecasts.
Q6. What is MAD? Discuss its importance in
selection and use of forecasting models.
Q7. What is operation Research? Account for
the growing importance Research in business?
Q.8 What is model and give 4 examples. State
their properties, advantages and limitation.
Q9. What is a sequencing problem? Explain and
illustrate.
Q10. What is replacement problem? Describe
some important replacement situation and policies?
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