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
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best in 90 seconds
Mental Math Gym
Timed case arithmetic that gets harder as your streak grows, with the method shown for every miss.
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best set within 3x
Market Sizing Gym
Estimate quantities across the US, Europe, India, the Gulf and Singapore, then compare each step with the model approach.
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best set correct
Exhibit Gym
Read a chart in 60 seconds, pull the right number, and state the so-what.
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best clean structures
Structure Builder
Build the top level of an issue tree and get scored on coverage and overlap, with a reason for every wrong pick.
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