Operations case library
2 free operations cases with full model answers, no login to read, and 17 operations cases to practice out loud with an AI interviewer, scored on 7 skills. Your first full case is free with an account.
Most practiced
McKinseyGuided
McKinseyVoice
BCGVoice
Free cases with answers
The whole case, every exhibit and a model answer for each question. Clients and numbers are made up, so the live case you practice next is still new to you.
Corvane Air
Why are a regional airline's overnight maintenance checks finishing late and delaying morning flights, and what is the cheapest way to fix it?
Medium · 30 min · 6 questions
Halvering Valley Hospital
Why are four times as many patients walking out of a community hospital's emergency department before being seen, and which fix should the hospital fund?
Hard · 40 min · 7 questions
New to operations cases? Learn the method first: Operations Case Interview: Framework, Math & Example.
Operations cases by completed runs
Each one runs with an AI interviewer that asks out loud, shares the exhibits and scores your answer.
| Case | Style | Difficulty | Time | Runs |
|---|---|---|---|---|
| Ski Resort Equipment Cost OptimizationTourism / Recreation · McKinsey · Hard | McKinsey | Hard | 34 min | 61 |
| MetroFresh Distribution Center Operations TurnaroundRetail Supply Chain / Operations · McKinsey · Medium | McKinsey | Medium | 23 min | 52 |
| Biopharma Outsourcing to MexicoPharmaceuticals / Biomanufacturing · BCG · Medium | BCG | Medium | 22 min | 36 |
| Titan Motorcycles Operations OptimizationManufacturing / Automotive · Bain · Medium | Bain | Medium | 19 min | 35 |
| TravelLine Call Center OptimizationTravel / Customer Service · BCG · Hard | BCG | Hard | 25 min | 27 |
| Bumpers R UsAutomotive Manufacturing · Kearney · Medium | Kearney | Medium | 20 min | 21 |
| Wildcat WingsTransportation & Logistics · BCG · Medium | BCG | Medium | 23 min | 13 |
| Packaging Plant ConsolidationManufacturing / Packaging · Bain · Medium | Bain | Medium | 25 min | 11 |
| Voter Turnout in PhiladelphiaPublic Sector · McKinsey · Hard | McKinsey | Hard | 32 min | 11 |
Median time and completed runs from Road to Offer practice data as of November 6, 2026. 8 more operations cases are in the full case library.