If you are not familiar with problems they are interested or problems they are solving, sometimes you would feel that some questions are like coming out from nowhere. It's hard to prepare for.
Operations Research Scientist Interview Questions
85 operations research scientist interview questions shared by candidates
What models have you developed?
Talk about an experience where you advised a business decision, any difficulties you had, and how you worked through it.
Questions on Linear Programming formulations and some probability questions
Some Database questions
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