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NT Quant

Interview Puzzles

Quant Puzzles 5: Mixed Topics

probability, number theory, and combinatorics

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NT Quant
Mar 13, 2023
∙ Paid

Happy Monday! Many of you found the last 2 puzzle sets to be pretty tough. I’ve decided to go easy on you all this week ;)

solutions in pdf at the bottom

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Problem 1: Trials To Heads [Easy]

You are flipping a coin with probability 3/4 of landing on heads. What is the expected number of trials to get the first head?

Problem 2…

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