Investment Banking
Investment bankers advise companies on raising capital and on mergers and acquisitions — building financial models, valuing businesses, and preparing the materials that get a deal done.
Speed arithmetic, deal-math intuition, and the estimation questions that show up in superdays.
Games for this track
60 seconds, four operators, zero calculator.
Mental Math Sprint
Add, subtract, multiply, and divide against the clock. Every problem sits at the same intermediate difficulty, so your score reflects speed, not luck of the draw.
Relevance ★★★★★
Take it, or pass?
Expected Value Challenge
You're offered a bet with a win amount, a loss amount, and a probability. Decide fast whether the expected value says take it.
Relevance ★★★★★
How many piano tuners are in Chicago?
Fermi Estimation
Order-of-magnitude estimation questions. You don't need to be exact — you need to be in the right ballpark, fast.
Relevance ★★★★★
Correlation isn't causation.
Data Intuition
Short scenarios testing statistical intuition: confounders, sample size, R², and the causation trap.
Relevance ★★★★★
Follow the clues to one answer.
Logic Deduction
Short constraint puzzles — three or four clues, one valid conclusion. Interview-style logic, not LSAT-length.
Relevance ★★★★★
Which bet actually pays more?
Optimization Challenge
Two bets, one choice. Compute the expected value of each and pick the one that actually maximizes it.
Relevance ★★★★★