Betting Game Rounds Interview Questions for Traders
The same round is marked differently depending on the seat you are interviewing for. This is the betting game rounds set as it applies to traders.
104 questions, 76 of them free to practise right now. The split is 38 easy, 59 medium, 7 hard. The topics that come up most are probability (58), combinatorics (28), expected value (20), brainteasers (16).
- A call's move under changing deltaEasyFinance & DerivativesView →
- A die decides how many balls to drawEasyProbabilityExpected ValueView →
- A guest list with a feudEasyCombinatoricsView →
- A perfect-power dice sumEasyProbabilityCombinatoricsView →
- A specific sequence given three headsEasyProbabilityConditional Probability & ExpectationView →
- All four aces before any kingEasyProbabilityCombinatoricsView →
- American early exerciseEasyFinance & DerivativesView →
- At least one matching pair in three cardsEasyProbabilityCombinatoricsView →
- Beating three othersEasyProbabilityRandom VariablesView →
- Coin rolling around a coinEasyBrainteasersView →
- Counting flushesEasyProbabilityCombinatoricsView →
- Even count until the coin repeatsEasyProbabilityView →
- Even heads with one fair coinEasyProbabilityConditional Probability & ExpectationView →
- Exactly one ace in three drawsEasyProbabilityCombinatoricsView →
- Expected distance of a dart from centerEasyProbabilityRandom VariablesView →
- Expected flips for three headsEasyProbabilityExpected ValueView →
- Finding the number of blue socksEasyProbabilityCombinatoricsView →
- First tail within two flipsEasyProbabilityView →
- Handshakes at four couplesEasyCombinatoricsBrainteasersView →
- Matching a max and a min at zeroEasyProbabilityView →
- Maximum of four uniforms in a bandEasyProbabilityRandom VariablesView →
- Origin between two pointsEasyProbabilityView →
- Paid the last roll before you stopEasyProbabilityExpected ValueView →
- Profit from a favourable stopping gameEasyExpected ValueStochastic ProcessesView →
- Repeated digit on a plateEasyCombinatoricsView →
- Same side four timesEasyProbabilityView →
- Six heads from a random biased coinEasyConditional Probability & ExpectationRandom VariablesView →
- Stop at the first girlEasyProbabilityView →
- The clock that runs fastEasyBrainteasersView →
- The costliest roulette bet on the tableEasyProbabilityExpected ValueView →
- The straddle's upper breakevenEasyFinance & DerivativesView →
- The top two cards form a pairEasyProbabilityCombinatoricsView →
- Three cube faces at a cornerEasyProbabilityCombinatoricsView →
- Three distinct dice, no sixEasyProbabilityCombinatoricsView →
- Three raids on the flockEasyBrainteasersView →
- Two numbers in different groupsEasyProbabilityCombinatoricsView →
- Two primes with an even sumEasyProbabilityCombinatoricsView →
- Winning by a growing marginEasyProbabilityBrainteasersView →
- A low medianMediumProbabilityRandom VariablesView →
- A prime sum on prime diceMediumProbabilityCombinatoricsView →
- An ace for everyoneMediumProbabilityCombinatoricsView →
- Bertrand's boxMediumProbabilityConditional Probability & ExpectationView →
- Coin-pile NimMediumBrainteasersMarket Making & Betting GamesView →
- Dice payoff via WaldMediumExpected ValueStochastic ProcessesView →
- Exactly two aces in a bridge handMediumProbabilityCombinatoricsView →
- Expected flips for HHTMediumExpected ValueStochastic ProcessesView →
- Expected value of the highest cardMediumProbabilityExpected ValueView →
- First HH on the tenth tossMediumProbabilityCombinatoricsView →
- First consecutive repeatMediumProbabilityExpected ValueView →
- First to three of a kind in a rowMediumProbabilityExpected ValueView →
- Full housesMediumProbabilityCombinatoricsView →
- Grandmother's age from the digitsMediumBrainteasersView →
- Largest circle in a triangleMediumBrainteasersView →
- Matching penniesMediumMarket Making & Betting GamesView →
- No face card before the two of heartsMediumProbabilityCombinatoricsView →
- Product of two uniforms above a halfMediumProbabilityRandom VariablesView →
- Russian roulette, re-spunMediumProbabilityConditional Probability & ExpectationView →
- Sum versus twice the differenceMediumProbabilityRandom VariablesView →
- The birthday problemMediumProbabilityCombinatoricsView →
- The bridge crossingMediumBrainteasersView →
- The last lightbulb to burn outMediumRandom VariablesExpected ValueView →
- The third shiny pennyMediumProbabilityCombinatoricsView →
- Three prisonersMediumProbabilityConditional Probability & ExpectationView →
- Two childrenMediumProbabilityConditional Probability & ExpectationView →
- Two guards, two doorsMediumBrainteasersView →
- Variance of a coin-gated payoffMediumRandom VariablesStatisticsView →
- Variance of the longer pieceMediumProbabilityRandom VariablesView →
- Waiting to see both facesMediumRandom VariablesStatisticsView →
- When time decay reversesMediumFinance & DerivativesView →
- Which deck for two reds?MediumProbabilityView →
- Width of a market under uncertaintyMediumMarket Making & Betting GamesStatisticsView →
- Expected chord between two random pointsHardProbabilityExpected ValueView →
- Pairs left in the drawerHardCombinatoricsExpected ValueView →
- Smallest card sharing a boxHardProbabilityExpected ValueView →
- The reroll advantage in a die duelHardProbabilityMarket Making & Betting GamesView →
- Two random segments overlappingHardProbabilityRandom VariablesView →
- Aces in a seven-card handMediumCombinatoricsExpected Value Premium
- An ace in the handMediumProbabilityCombinatorics Premium
- Backing out a margin-free probabilityMediumMarket Making & Betting Games Premium
- Balloon related ratesMediumCalculus Premium
- Both even given an even sumMediumProbabilityConditional Probability & Expectation Premium
- Calendar spread intuitionMediumFinance & Derivatives Premium
- Counting straightsMediumProbabilityCombinatorics Premium
- Delta of a straddleMediumFinance & Derivatives Premium
- Eight coins, one lightMediumCombinatoricsBrainteasers Premium
- Expected minimum of two diceMediumRandom VariablesExpected Value Premium
- Frog in the wellMediumBrainteasers Premium
- Inventory-skewed reservation priceMediumMarket Making & Betting Games Premium
- Large sum given a sixMediumProbabilityConditional Probability & Expectation Premium
- Limit of x ln x as x to 0+MediumCalculus Premium
- MLE at a boundaryMediumStatisticsCalculus Premium
- Maximum loss on a collarMediumFinance & Derivatives Premium
- Minimum defense frequency against a betMediumProbabilityExpected Value Premium
- Pricing a squared payoffMediumExpected ValueMarket Making & Betting Games Premium
- Rolls to see both a 1 and a 2MediumExpected Value Premium
- Scaling vega across maturitiesMediumFinance & Derivatives Premium
- The St. Petersburg paradoxMediumExpected ValueMarket Making & Betting Games Premium
- The gold chainMediumBrainteasers Premium
- The larger die shows a 4MediumProbabilityRandom Variables Premium
- The pile that always leaves oneMediumBrainteasers Premium
- Two reds in a row from a shrinking urnMediumProbabilityConditional Probability & Expectation Premium
- Volatility smile meaningMediumStatisticsFinance & Derivatives Premium
- Hats in a lineHardBrainteasers Premium
- Prisoners and the light switchHardBrainteasers Premium
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