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, 51 of them free to practise right now. 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 →
- 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 →
- 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 →
- Filling a pool with the drain openMediumBrainteasersView →
- Fox, goose, beans crossingMediumBrainteasersView →
- Grandmother's age from the digitsMediumBrainteasersView →
- Largest circle in a triangleMediumBrainteasersView →
- One hundred animals for a thousand dollarsMediumBrainteasersView →
- Sum of multiples of 3 or 5MediumBrainteasersView →
- The bridge crossingMediumBrainteasersView →
- The largest unmakeable totalMediumCombinatoricsBrainteasersView →
- Three-jug measuringMediumBrainteasersView →
- Two guards, two doorsMediumBrainteasersView →
- Two ropes, 45 minutesMediumBrainteasersView →
- A coin thick enough to land on its sideHardProbabilityBrainteasersView →
- A triangle of consecutive integersHardBrainteasersView →
- Twelve balls, one oddHardBrainteasersView →
- Weighings for the odd beanHardBrainteasersView →
- Return speed for a target averageEasyBrainteasers Premium
- Ants on a stickMediumBrainteasers Premium
- Cutting a cubeMediumBrainteasers Premium
- Eight coins, one lightMediumCombinatoricsBrainteasers Premium
- Frog in the wellMediumBrainteasers Premium
- Right angles in 12 hoursMediumBrainteasers Premium
- The gold chainMediumBrainteasers Premium
- The missing dollarMediumBrainteasers Premium
- The pile that always leaves oneMediumBrainteasers Premium
- Three mislabeled jarsMediumBrainteasers Premium
- Two trains and a flyMediumBrainteasers Premium
- Weighing 1 to 40MediumBrainteasers Premium
- Wine and waterMediumBrainteasers Premium
- Ages from product and sumHardCombinatoricsBrainteasers Premium
- Blue-eyed islandersHardBrainteasers Premium
- Defective stack of coinsHardCombinatoricsBrainteasers Premium
- Handshakes at a dinner partyHardCombinatoricsBrainteasers Premium
- Hats in a lineHardBrainteasers Premium
- Prisoners and the light switchHardBrainteasers Premium
- The racing camelsHardBrainteasers Premium
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