Case Library

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831 results

Practice real case interview questions from McKinsey, BCG, Bain, Deloitte, and 10+ top consulting firms. Each case includes the full problem prompt, clarifying questions, structured framework, and expert recommendation. Upgrade to Pro for AI mock interview practice with instant scoring across 5 dimensions.

Hard

EV Charging Stations

Profitability Financial Analysis Energy/Transportation

A U.S. hotel chain would like to install fast charging stations to its 100 hotels to attract more customers. The availability of charging stations is …

35 min
PeterK
52
Deloitte
Hard

Evening Nightcap

Growth Strategy Media & Entertainment

Our client, Evening Nightcap, is a media company based in New York that specializes in a daily email newsletters recapping world news and top business …

36 min
Duke
61
Hard

Eye Can See Clearly Now

Merger & Acquisition Healthcare

Your client, a PE firm, is considering an investment in Dr Kelso's Ophthalmology Practice, located outside Philadelphia. Dr. Kelso's Practice is …

36 min
Wharton
48
Medium

Fabio’s: Hair Salons and Headshots

Market Sizing Profitability Retail

Fabio is one of the most in demand hairstylists in Chicago. Recently, he has decided that he wants to start his own business venture. Fabio dreams of …

26 min
Pennsylvania
42
Medium

Fantasy to Reality

Cost Reduction Profitability Media & Entertainment

A local business owner has been operating a gaming company ("Daring Mazes & Monsters", or DM&M) selling products and services for role-playing games. …

26 min
HKUST
42
Bain
Medium

Fast casual food restaurant

Growth Strategy Market Saturation Revenue growth

Your client is a fast casual healthy food restaurant (e.g. salads, wraps, soups). They have 1k locations in the U.S. and are growing to 2k locations …

27 min
PeterK
83
Medium

Fastcar

Market Entry Profitability Manufacturing

Fastcar is a big multinational automotive company in the luxury segment. It has the headquarter in Germany in production plants in Europe, North …

27 min
IESE
53
Medium

Fastcar

Market Entry Profitability Manufacturing

Fastcar is a big multinational automotive company in the luxury segment. It has the headquarter in Germany in production plants in Europe, North …

27 min
IESE
52
Easy

Ferris Wheel

New Investment Analysis Merger & Acquisition Media & Entertainment

A friend of mine is super rich and is always looking into interesting investment opportunities. To raise funds for renovation, Ferris Wheel management …

16 min
ROSS
59