MBB Math Prep + Assessment Prep
The partner won’t wait.
Neither should you.
Daily math drills, BCG Casey simulation, and McKinsey Solve practice. One app.
5 questions · ~3 min · No signup needed
How it works
Take the diagnostic
5 questions with per-question timing. See how you rank against MBB benchmarks.
Drill every morning
Same questions for every candidate. Your percentile ranking updates daily.
Close the gaps
AI identifies your weak categories. Targeted practice until they’re strengths.
Assessment prep included
BCG Casey. McKinsey Solve. One app.
Your daily drills already train the math skills tested in firm screening assessments.
BCG Online Assessment
20 timed scenarios · 3 free
Numerical reasoning
Chart interpretation
Quantitative analysis
McKinsey Solve
Unlimited drills · 1 free/day
Data interpretation
Optimization under constraints
Same drills. Same engine. No extra cost.
Start your diagnosticWhat a drill looks like
€400M
Revenue
20%
Old margin
15%
New margin
How much profit was lost?
✓ Correct · 2.1s
New
The structured scratchpad
Hard questions (difficulty 3+) get a step-by-step calculator. Build your solution one operation at a time — the way the partner expects you to show your work.
Step log
Three ways to drill
5 questions every morning. Same for every candidate. Your percentile ranking against the field.
10 targeted questions in your weak category. Adaptive difficulty that adjusts in real time — always at the edge of your ability.
15 questions. Ramping difficulty. Running accuracy counter. The closest thing to the real interview.
AI Feedback
The Skeptical Partner
Submit your case framework. An AI tuned to be the most demanding interviewer you’ll face will critique your logic — no praise, no insults, just what’s missing and what would fix it.
Score: 3/5
Your cost structure is incomplete. You identified labor and materials but missed the 18% airport fee line — that’s the second-largest cost driver.
A 5 would: separate fixed vs. variable costs per route type, then benchmark against the LCC cost structure the client cited.
Track your progress
Interview Readiness Score
A composite 0-100 metric that degrades if you stop drilling. Category mastery map. Streak tracking. The system tells you when you’re ready — and when you’re not.
11 categories across math + assessments
Prep by firm