After mid-day, what will the time be the next time the hour and minute hands of a clock meet?
Data Modeler Interview Questions
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First round: 1. What are you past optimization-related projects? 2. Why do you want to leave your current role? 3. Why are you interested in electricity market? 4. How do you speed up the optimization model? Second round: 1. How do you approach the pre-interview assignment? 2. What are the things in your model that you can improve? 3. How would you make this model into a product? Requirements? 4. Explain the costs in objective function.
In the first round they asked several brain-teasing questions: a) At what time after 12 pm do the two hands of a clock intersect? b) If you have two points on a 5 by 5 grid, how would you find the shortest path between these two points, given that there are some obstacles on the grid, which you need to avoid? What parameter would you use to measure the performance of your model? c) A newspaper is holding a contest. People were distributed a newspaper and asked to choose a number between 0 and 100, and those whose number is closest to 2/3 of the average of all the chosen numbers wins the contest. What number would people choose the most? If you plot the histogram of the chosen numbers, what would it look like?
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why Tiktok? why the role?
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