Quant interview problems
The puzzles trading firms really ask: mental math, dice, Monty Hall, and making a market on the spot.
- Mental mathTrading firms test it first. A few tricks go a long way.
- EstimationGetting close to an answer nobody could look up.
- Dice and cardsThe probability questions that come up again and again.
- Should you roll again?Games where the skill is knowing when to stop.
- The birthday problemA famous answer that almost nobody guesses right.
- The Monty Hall problemThree doors, one prize, and a choice that fools almost everyone.
- Make me a marketThe interview game where you quote a price on something you do not know.
- Updating on evidenceBayes' rule, the way interviewers like to ask it.
- More brain teasersFour classics, and what each is really testing.
- Track quizFive questions. Get four right to finish the track.