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Mastering the Product Interviews - Solving Estimation Questions
- In this article, author Deepak continues his series on Mastering the Product Interviews and focuses on solving estimation questions. He introduces the Fermi estimation technique which is based on estimating values using only orders of magnitude, a.k.a. powers of ten. He also highlights the importance of intelligent estimation skills in the job of a product manager as it helps in estimating effort, timelines, business impact, etc. He then goes on to cover the generally suggested approach or framework to solve estimation questions with an end-to-end example of the approach for estimating the number of YouTube videos watched in India in a single day. Lastly, he provides the top 10 handy numbers that you should have while solving guesstimates.
- The author also points out the mistakes that candidates usually make while solving estimation questions and provides a subjective questions database for further practice. He also mentions the companies that usually ask these estimation questions in their PM interviews - Google, Facebook, Amazon and startups. He discusses various types of estimation questions, such as volumetric, population, consumption and product, and how a different approach should be picked to solve each of them, which he will cover in the next week’s post.
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