
Top Quant Interview Questions Asked at D.E. Shaw & Co.
Companies like D.E. Shaw & Co., Balyasny Asset Management, and Brevan Howard are leaders in the quant industry, and their interview questions often become benchmarks for aspiring quants. In this article, we’ll explore some real quant interview questions from these firms, explain all underlying concepts, and provide detailed solutions.
Question: You are given a coin that is either fair or has a 51% probability of coming up heads. How many flips do you need to distinguish the biased coin from the fair coin with high confidence?