Configure your case interview below, then click Start when you're ready.
Required
McKinsey
Problem solving, structured thinking
BCG
Creative, hypothesis-led approach
Bain
Candidate-led, commercial instinct
Deloitte
Structured, data-driven analysis
PwC Strategy
Practical, client-focused approach
EY-Parthenon
Sector expertise, analytical rigour
KPMG
Risk-aware, structured frameworks
Oliver Wyman
Quantitative, financial focus
Kearney
Operations-focused, pragmatic
Accenture Strategy
Technology-aware, transformation
Portas Consulting
Sports industry specialist
Choose the case topicRequired
—
—
—
Choose the difficulty levelRequired
Choose the case typeRequired
Situational logic
Real-world judgment and leadership
Math case
Data-heavy quantitative analysis
Market sizing
Estimate a market from first principles
Profitability
Diagnose why profits are declining
Market entry
Should the client enter a new market?
M&A / due diligence
Should the client acquire the target?
Dr CAi
Case Interview Lab
Case
00:00
Brief
Structure
Analyse
Conclude
Creating your case
Sifting through thousands of firm data points
Generating Dr CAi's personality style
Dr CAi is thinking...
Listening...
Case Interview Lab
Interview debrief
Maths Drills
Choose your drill type then start practising.
Choose drill type
All Types
Mix of everything
Percentages
e.g. 15% of 240
Business Maths
Break-even, ROI, weighted average and more
Long Division
e.g. 756 divided by 9
Long Multiplication
e.g. 34 x 47
Business Maths Drills
Choose which type of Business Maths to practise.
Choose drill type
Break-Even Point
Fixed costs, price and variable cost
Weighted Average
Units weighted by value
Return On Investment
Gain vs cost percentage
Payback Period
Investment vs annual return
Maths Drills
All Types
0
Correct
0
Wrong
0
Streak
Loading...
Loading...
FIRM INTEL
Your insider edge before every interview.
Your pre-interview briefing and firm research. Deep intelligence on every firm we support, covering how they run their interviews, exactly what they hire for, what the culture is really like, compensation and the latest news from the firm.
Select a firm below to get started.
Select a firm
McKinsey
Problem solving, structured thinking
BCG
Creative, hypothesis-led approach
Bain
Candidate-led, commercial instinct
Deloitte
Structured, data-driven analysis
PwC Strategy
Practical, client-focused approach
EY-Parthenon
Sector expertise, analytical rigour
KPMG
Risk-aware, structured frameworks
Oliver Wyman
Quantitative, financial focus
Kearney
Operations-focused, pragmatic
Accenture Strategy
Technology-aware, transformation
Portas Consulting
Sports industry specialist
🎯
Ready to begin?
This will use 1 interview credit from your balance. Credits are not refunded if you leave mid-interview.
⚠️
No credits remaining
You have no interview credits left. Purchase a pack to continue practising.
⚠️
Leave this interview?
If you leave now you will lose this interview credit. It will not be refunded.
✦
Free taster complete
You've completed your free taster interview. Purchase credits to continue with full interviews and unlock everything Dr CAi has to offer.
✦
🔒
Maths drills — Pro only
Maths drills are included in the Pro Monthly plan. Upgrade to unlock all drill types and sharpen your mental arithmetic.
🔒
Firm Intel — Pro only
Detailed Firm Intel is included in the Pro Monthly plan. Upgrade to unlock interview style insights, what each firm looks for, live news, salary data and more.
Get More Interviews
Mock interviews built from thousands of firm-specific data points and insider knowledge. Cancel or top up anytime.
£ Prices in GBP — United Kingdom
Pro monthlyMost popular
10 interviews/month · Live news · Maths drills · Full Firm Intel · 5% off top-ups