PuzzledQuant’s Substack
PuzzledQuantOnline Quant interview preparation for professionals
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 43 | Founded | 4 years ago | Last Issue | 12 days ago |
| Active | |||||
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puzzledquant.substack.comLatest Issues
Tree-edge Triage
Before we begin this week’s Newsletter
Big news: PuzzledQuant is now on YouTube. We’ve launched our channel, and we’re using it to teach everything quant, from interview puzzles solved step by step to how the markets actually work under...
We’re so back
Hey friends,
It’s been a while, longer than we’d like to admit. Thank you for sticking around: while we were quiet, this community nearly doubled to almost 25,000 of you, and that means the world to us.
We never really left. For the past...
Random points in a Triangle
Before we begin this week’s Newsletter
The Puzzledquant crew has been having a blast with a new finance trivia game called Uncovered Shorts.
Uncovered Shorts sends an informative recap of each day’s quiz – sign up after playing the gam...
Number of Maximas
14 pieces of paper labelled 1−14 are placed in a line at random. Spot 𝑖 is a local maximum if the paper at the 𝑖th position is strictly larger than all of it's adjacent papers. Find the expected number of local maxima in the sequence. For...
Good grid
Suppose that two integers a and b are uniformly at random selected from S = {-10, -9, …, 9, 10}. Find the probability that max {0, a} = min {0, b}
Try to solve this problem yourself before moving on to the solution below
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Online Quant interview preparation for professionals
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