Practice
Short daily drills build the reflexes the interview rewards. Then run full cases, alone in the simulator or out loud with a friend.
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day streak
Recommended today
Start with one 90-second round in the Mental Math Gym. Your first solo session sets your starting point.
Start: Mental Math GymFull cases and people
- Case libraryWorked cases to study, or run out loud with a friend in Partner mode.
- Case simulatorNewFree typed case practice: a timed online-style case or a step-by-step interviewer case.
- Story workshopBuild your fit interview stories with instant feedback.
- Skills checkA short test that shows your strongest and weakest skills.
- Daily reviewFive minutes a day on the questions you missed before.
- Practice ExchangeNewLive case practice with other candidates, opening soon. Partner mode works today.
Practice gyms
Mental Math Gym
Timed case arithmetic that gets harder as your streak grows, with the method shown for every miss.
Your best: 0 best in 90 seconds.0 sessionsTrain
Market Sizing Gym
Estimate quantities across the US, Europe, India, the Gulf and Singapore, then compare each step with the model approach.
Your best: 0 best set within 3x.0 sessionsTrain
Exhibit Gym
Read a chart in 60 seconds, pull the right number, and state the so-what.
Your best: 0 best set correct.0 sessionsTrain
Structure Builder
Build the top level of an issue tree and get scored on coverage and overlap, with a reason for every wrong pick.
Your best: 0 best clean structures.0 sessionsTrain
Case, industry and test drills
- Cold CaseA real industry meets a question you did not choose: pin it, build the structure from the goal, pick a hypothesis, then compare with a model answer.
- Industry GymTen-question rounds on how industries make money: costs, key measures, value chains and unit economics, from the industry briefs.
- So what drillRead a few numbers from a real industry, write the so what in one or two sentences, and get five checks and a model answer.
- Online test practiceData studies, puzzles, numerical reasoning and chatbot-style cases in the formats firms describe, with every answer worked.