McKinsey Red Rock Practice: Questions and Worked Answers
Work through original Red Rock data questions: evidence selection, percentage change, weighted averages and chart choice, with answers explained.
September 20, 2026 · 8 min readThe preparation library
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Red Rock 
Sea Wolf McKinsey Sea Wolf Practice: Rules, Examples and Strategy
Test microbe combinations against numerical ranges and traits. Original Sea Wolf practice puzzles explain valid choices, mistakes and pool strategy.
September 20, 2026 · 8 min read
Sustainable Futures Lab McKinsey Sustainable Futures Lab Practice: Ranking and Decisions
Rank five actions, answer a stakeholder objection and revise your decision when evidence changes. Original SFL practice with explained trade-offs.
September 20, 2026 · 8 min read
Before the assessment McKinsey Solve Invitation: Timing, Deadline and Next Steps
Read your Solve invitation without guessing: separate deadlines, duration and tutorials, plan your preparation and find the right support contact.
September 20, 2026 · 6 min read
Test day McKinsey Solve Test-Day Checklist: Setup, Rules and Support
Check your setup, follow the assessment rules and know what to do if graphics or your link fail. A practical checklist with official support guidance.
September 20, 2026 · 6 min read
Scores & results McKinsey Solve Scores and Results: What Your Result Can Tell You
Understand scores, percentiles and the limits of practice results. Choose your next step while waiting, after feedback or after a recruiting decision.
September 20, 2026 · 7 min read
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