Brainteasers Interview Questions for Traders
Traders get asked brainteasers differently from other quant roles - the emphasis shifts with what the job actually does. This is that slice.
71 questions, all free to practise. The split is 30 easy, 30 medium, 11 hard.
- A hundred days of compoundingEasyBrainteasersFinance & DerivativesView →
- A mile with no windEasyBrainteasersView →
- All the squares on a chessboardEasyCombinatoricsBrainteasersView →
- An old man's life in fractionsEasyBrainteasersView →
- Ants on a squareEasyProbabilityBrainteasersView →
- Average speed over three lapsEasyBrainteasersView →
- Bacteria doubling on a clockEasyBrainteasersView →
- Clock angle at 3:15EasyBrainteasersView →
- Coin rolling around a coinEasyBrainteasersView →
- Counting legs at the meetupEasyBrainteasersView →
- Finding the light coinEasyBrainteasersView →
- Guessing a number with high-low hintsEasyBrainteasersProgramming & DSAView →
- Hands directly oppositeEasyBrainteasersView →
- Handshakes at four couplesEasyCombinatoricsBrainteasersView →
- How many sixes on the die?EasyExpected ValueBrainteasersView →
- Lapping on the trackEasyBrainteasersView →
- Matching locks to keysEasyBrainteasersView →
- Return speed for a target averageEasyBrainteasersView →
- Rope lifted off the EarthEasyBrainteasersView →
- Smallest multiple of 77 past 700000EasyBrainteasersView →
- Socks for a matching trioEasyCombinatoricsBrainteasersView →
- The clock that runs fastEasyBrainteasersView →
- The price of a triangular gardenEasyBrainteasersView →
- The weight of the fishEasyBrainteasersView →
- Three raids on the flockEasyBrainteasersView →
- Three switches, one bulbEasyBrainteasersView →
- Timing the revolverEasyBrainteasersView →
- Unchanged after ten swingsEasyProbabilityBrainteasersView →
- When the clock hands next meetEasyBrainteasersView →
- Winning by a growing marginEasyProbabilityBrainteasersView →
- 25 horses, 5 tracksMediumBrainteasersView →
- Ants on a stickMediumBrainteasersView →
- Balancing six- and eight-sided diceMediumExpected ValueBrainteasersView →
- Bridge and torchMediumBrainteasersView →
- Cats and dogs on the streetMediumBrainteasersView →
- Clock hands overlapMediumBrainteasersView →
- Coin-pile NimMediumBrainteasersMarket Making & Betting GamesView →
- Cutting a cube into 27MediumBrainteasersView →
- Eight coins, one lightMediumCombinatoricsBrainteasersView →
- Filling a pool with the drain openMediumBrainteasersView →
- Fox, goose, beans crossingMediumBrainteasersView →
- Frog in the wellMediumBrainteasersView →
- Grandmother's age from the digitsMediumBrainteasersView →
- Largest circle in a triangleMediumBrainteasersView →
- One hundred animals for a thousand dollarsMediumBrainteasersView →
- Painted cube, one face showingMediumProbabilityBrainteasersView →
- Right angles in 12 hoursMediumBrainteasersView →
- Sum of multiples of 3 or 5MediumBrainteasersView →
- The gold chainMediumBrainteasersView →
- The largest unmakeable totalMediumCombinatoricsBrainteasersView →
- The missing dollarMediumBrainteasersView →
- The pile that always leaves oneMediumBrainteasersView →
- Three mislabeled jarsMediumBrainteasersView →
- Three-jug measuringMediumBrainteasersView →
- Tower of Hanoi, adjacent moves onlyMediumBrainteasersView →
- Two guards, two doorsMediumBrainteasersView →
- Two ropes, 45 minutesMediumBrainteasersView →
- Two trains and a flyMediumBrainteasersView →
- Weighing 1 to 40MediumBrainteasersView →
- Wine and waterMediumBrainteasersView →
- A coin thick enough to land on its sideHardProbabilityBrainteasersView →
- A triangle of consecutive integersHardBrainteasersView →
- Ages from product and sumHardCombinatoricsBrainteasersView →
- Blue-eyed islandersHardBrainteasersView →
- Defective stack of coinsHardCombinatoricsBrainteasersView →
- Handshakes at a dinner partyHardCombinatoricsBrainteasersView →
- Hats in a lineHardBrainteasersView →
- Prisoners and the light switchHardBrainteasersView →
- The racing camelsHardBrainteasersView →
- Twelve balls, one oddHardBrainteasersView →
- Weighings for the odd beanHardBrainteasersView →
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