Quant interview prep
2,130 quant interview questions grouped by topic and difficulty. Each topic guide includes 25 original questions with answers and explanations, alongside bank coverage counts and links to the lessons behind the techniques.
Free topic guides
Each guide keeps its sample questions and worked answers on the page. The counts below describe the larger practice bank.
| Topic | Questions | Difficulty mix |
|---|---|---|
| Probability | 928 | 448 easy · 356 medium · 124 hard |
| Brainteaser/Logic | 355 | 192 easy · 112 medium · 51 hard |
| Finance/Derivatives | 311 | 138 easy · 126 medium · 47 hard |
| Behavioural/General | 181 | 179 easy · 2 medium |
| Pure Math | 121 | 65 easy · 43 medium · 13 hard |
| Statistics | 101 | 69 easy · 26 medium · 6 hard |
| Programming/Algorithms | 69 | 49 easy · 20 medium |
| Stochastic Calculus | 57 | 23 easy · 22 medium · 12 hard |
| ML/Data | 7 | 6 easy · 1 hard |
Focused guides from our probability-bank coverage
Use the bank’s topic counts to choose a technique to practise. These collections contain original explained examples; the counts describe our coverage rather than employer interview frequency.
How to use the question bank
Pick a topic and attempt questions before revealing the hint. When an answer surprises you, follow the linked lesson rather than moving on: interviewers vary the setup, so the underlying idea matters more than any one solution.
Continue with the larger bank, with worked answers where available and references for book questions.
Open the question bank