Easy Trader Interview Questions
Everything asked of traders, filtered to the easy end - useful for calibrating where you actually are.
178 questions, 175 of them free to practise right now. The topics that come up most are probability (91), combinatorics (37), expected value (37), brainteasers (30).
- 1 immediately before 2EasyProbabilityCombinatoricsView →
- A call's move under changing deltaEasyFinance & DerivativesView →
- A compound-interest limit in disguiseEasyCalculusView →
- A dice sum divisible by threeEasyProbabilityView →
- A die decides how many balls to drawEasyProbabilityExpected ValueView →
- A die with one face decrementedEasyProbabilityConditional Probability & ExpectationView →
- A dry weekend, assuming independenceEasyProbabilityView →
- A guest list with a feudEasyCombinatoricsView →
- A heart or a king given redEasyProbabilityConditional Probability & ExpectationView →
- A hundred days of compoundingEasyBrainteasersFinance & DerivativesView →
- A limit that hides a difference of logsEasyCalculusView →
- A majority of onesEasyCombinatoricsView →
- A mile with no windEasyBrainteasersView →
- A one-sided percentile cutoffEasyRandom VariablesStatisticsView →
- A perfect-power dice sumEasyProbabilityCombinatoricsView →
- A point is established in crapsEasyProbabilityView →
- A specific sequence given three headsEasyProbabilityConditional Probability & ExpectationView →
- A sum of four before a sum of twoEasyProbabilityView →
- A tail of a sum of normalsEasyRandom VariablesStatisticsView →
- A three given a sum divisible by threeEasyProbabilityConditional Probability & ExpectationView →
- Adjacent faces on two diceEasyProbabilityView →
- All four aces before any kingEasyProbabilityCombinatoricsView →
- All the squares on a chessboardEasyCombinatoricsBrainteasersView →
- All three land in the same halfEasyProbabilityRandom VariablesView →
- American early exerciseEasyFinance & DerivativesView →
- An even sum given a five appearsEasyProbabilityConditional Probability & ExpectationView →
- An old man's life in fractionsEasyBrainteasersView →
- Ants on a squareEasyProbabilityBrainteasersView →
- At least one 3 and at least one 5EasyProbabilityView →
- At least one blue and one greenEasyProbabilityCombinatoricsView →
- At least one matching pair in three cardsEasyProbabilityCombinatoricsView →
- At least two in the windowEasyProbabilityStochastic ProcessesView →
- Average speed over three lapsEasyBrainteasersView →
- Backing out a parlay's hidden leg probabilityEasyProbabilityMarket Making & Betting GamesView →
- Bacteria doubling on a clockEasyBrainteasersView →
- Beating a product of uniformsEasyProbabilityRandom VariablesView →
- Beating three othersEasyProbabilityRandom VariablesView →
- Both red among the top twoEasyProbabilityConditional Probability & ExpectationView →
- Break-even uninformed fraction against pick-offsEasyMarket Making & Betting GamesView →
- Bull spread net profitEasyFinance & DerivativesView →
- Butterfly spread maximum profitEasyFinance & DerivativesView →
- Capped exponential payoutEasyRandom VariablesExpected ValueView →
- Clock angle at 3:15EasyBrainteasersView →
- Coin count past two sigmaEasyRandom VariablesStatisticsView →
- Coin rolling around a coinEasyBrainteasersView →
- Color switches in a drawEasyRandom VariablesExpected ValueView →
- Committee with both sexesEasyCombinatoricsView →
- Comparing implied vols from two quotesEasyFinance & DerivativesView →
- Conditioning a uniform waitEasyProbabilityRandom VariablesView →
- Counting arithmetic triplesEasyProbabilityCombinatoricsView →
- Counting flushesEasyProbabilityCombinatoricsView →
- Counting legs at the meetupEasyBrainteasersView →
- Covered call profit when called awayEasyFinance & DerivativesView →
- Dots on distinct edgesEasyProbabilityCombinatoricsView →
- Drawing a matching pair of socksEasyProbabilityCombinatoricsView →
- Even count until the coin repeatsEasyProbabilityView →
- Even first die given a sum of eightEasyConditional Probability & ExpectationExpected ValueView →
- Even heads with one fair coinEasyProbabilityConditional Probability & ExpectationView →
- Even numbers, distinct digitsEasyCombinatoricsView →
- Even sum bigger than sevenEasyProbabilityView →
- Exactly one ace in three drawsEasyProbabilityCombinatoricsView →
- Exactly one head given at least oneEasyProbabilityConditional Probability & ExpectationView →
- Expected distance of a dart from centerEasyProbabilityRandom VariablesView →
- Expected flips after a losing startEasyProbabilityExpected ValueView →
- Expected flips for three headsEasyProbabilityExpected ValueView →
- Expected flips for two heads in a rowEasyProbabilityExpected ValueView →
- Expected profit on a scratch ticketEasyExpected ValueMarket Making & Betting GamesView →
- Expected sets for a favored playerEasyProbabilityExpected ValueView →
- Expected sum given a sixEasyProbabilityExpected ValueView →
- Face card or heartEasyProbabilityView →
- Face or ace given a red cardEasyProbabilityConditional Probability & ExpectationView →
- Fair mid on a dice product that voids on doublesEasyProbabilityExpected ValueView →
- Fair odds on a parlayEasyMarket Making & Betting GamesView →
- Fair price for the higher of two diceEasyExpected ValueMarket Making & Betting GamesView →
- Fair price of a dice-product gameEasyExpected ValueMarket Making & Betting GamesView →
- Fair price of a die that rerolls on a sixEasyExpected ValueMarket Making & Betting GamesView →
- Fair price of a heads-majority betEasyProbabilityExpected ValueView →
- Fair price of a high-faces-only dice sumEasyExpected ValueMarket Making & Betting GamesView →
- Fair price of a higher-die contractEasyExpected ValueMarket Making & Betting GamesView →
- Fair price of a sum-divisible-by-three betEasyExpected ValueMarket Making & Betting GamesView →
- Finding the light coinEasyBrainteasersView →
- Finding the number of blue socksEasyProbabilityCombinatoricsView →
- First success on an even trialEasyRandom VariablesExpected ValueView →
- First tail within two flipsEasyProbabilityView →
- Four dice summing to twentyEasyProbabilityCombinatoricsView →
- Gap between two dice, given they differEasyConditional Probability & ExpectationExpected ValueView →
- Guessing a number with high-low hintsEasyBrainteasersProgramming & DSAView →
- Hands directly oppositeEasyBrainteasersView →
- Handshakes across two groupsEasyCombinatoricsView →
- Handshakes at four couplesEasyCombinatoricsBrainteasersView →
- Heads given at least one headEasyExpected ValueView →
- Hopping rabbitEasyProbabilityCombinatoricsView →
- How many rolls to make the 6-bet favorableEasyProbabilityMarket Making & Betting GamesView →
- How many sixes on the die?EasyExpected ValueBrainteasersView →
- Keep it or draw againEasyProbabilityExpected ValueView →
- Keep the d8 or gamble on the d12?EasyProbabilityExpected ValueView →
- Landing in the ringEasyProbabilityView →
- Lapping on the trackEasyBrainteasersView →
- Matching a max and a min at zeroEasyProbabilityView →
- Matching chips, two drawsEasyCombinatoricsExpected ValueView →
- Matching head countsEasyProbabilityCombinatoricsView →
- Matching locks to keysEasyBrainteasersView →
- Maximum of four uniforms in a bandEasyProbabilityRandom VariablesView →
- Merging two round-robinsEasyCombinatoricsView →
- More heads than tails in six flipsEasyProbabilityView →
- Net P&L of a two-leg book from DV01EasyFinance & DerivativesView →
- Normalizing a tilted densityEasyRandom VariablesCalculusView →
- One blue die matches the redEasyProbabilityView →
- One re-roll allowedEasyExpected ValueView →
- Origin between two pointsEasyProbabilityView →
- Paid the last roll before you stopEasyProbabilityExpected ValueView →
- Pairs who swap hatsEasyRandom VariablesExpected ValueView →
- Present value of a deferred growing perpetuityEasyFinance & DerivativesView →
- Probability two dice sum to a primeEasyProbabilityCombinatoricsView →
- Product divisible by fourEasyProbabilityView →
- Profit from a favourable stopping gameEasyExpected ValueStochastic ProcessesView →
- Rate of change of a triangle's perimeterEasyCalculusView →
- Reflipping for valueEasyProbabilityExpected ValueView →
- Repeated digit on a plateEasyCombinatoricsView →
- Repricing a bond after a yield jumpEasyFinance & DerivativesView →
- Rolling a die to size the next dieEasyConditional Probability & ExpectationExpected ValueView →
- Rolling until a high face, at a costEasyProbabilityExpected ValueView →
- Rolling until you match the first rollEasyProbabilityExpected ValueView →
- Rolls until an even sumEasyProbabilityExpected ValueView →
- Rope lifted off the EarthEasyBrainteasersView →
- Same side four timesEasyProbabilityView →
- Seating with a gapEasyCombinatoricsView →
- Second roll beats the firstEasyProbabilityView →
- Settlement on a pay-fixed FRAEasyFinance & DerivativesView →
- Six heads from a random biased coinEasyConditional Probability & ExpectationRandom VariablesView →
- Sizing a put–call parity mispricingEasyFinance & DerivativesView →
- Smallest multiple of 77 past 700000EasyBrainteasersView →
- Socks for a matching trioEasyCombinatoricsBrainteasersView →
- Spread of a coin-flip payoffEasyRandom VariablesStatisticsView →
- Squared payout on even facesEasyRandom VariablesExpected ValueView →
- Stop at the first girlEasyProbabilityView →
- Streak then a head countEasyProbabilityConditional Probability & ExpectationView →
- Summing n plus one over two to the nEasyCalculusView →
- Tangent-minus-sine third-order limitEasyCalculusView →
- The added babyEasyProbabilityConditional Probability & ExpectationView →
- The clock that runs fastEasyBrainteasersView →
- The costliest roulette bet on the tableEasyProbabilityExpected ValueView →
- The higher die shows a fourEasyProbabilityView →
- The price of a triangular gardenEasyBrainteasersView →
- The second draw is redEasyProbabilityConditional Probability & ExpectationView →
- The straddle's upper breakevenEasyFinance & DerivativesView →
- The top two cards form a pairEasyProbabilityCombinatoricsView →
- The weight of the fishEasyBrainteasersView →
- Three cube faces at a cornerEasyProbabilityCombinatoricsView →
- Three dice, increasingEasyProbabilityCombinatoricsView →
- Three distinct dice, no sixEasyProbabilityCombinatoricsView →
- Three primes in six rollsEasyProbabilityView →
- Three raids on the flockEasyBrainteasersView →
- Three switches, one bulbEasyBrainteasersView →
- Three-dice total given the firstEasyProbabilityConditional Probability & ExpectationView →
- Timing the revolverEasyBrainteasersView →
- Top three dice summing to eighteenEasyProbabilityCombinatoricsView →
- Triangles across two linesEasyCombinatoricsView →
- Two mismatched diceEasyProbabilityView →
- Two numbers in different groupsEasyProbabilityCombinatoricsView →
- Two primes with an even sumEasyProbabilityCombinatoricsView →
- Unchanged after ten swingsEasyProbabilityBrainteasersView →
- Value of the put insurance in a crashEasyFinance & DerivativesView →
- Valuing a level perpetuityEasyFinance & DerivativesView →
- Variance of a reciprocal uniformEasyRandom VariablesStatisticsView →
- Variance of a union indicatorEasyRandom VariablesStatisticsView →
- Variance of a weighted dice combinationEasyRandom VariablesStatisticsView →
- Ways to reach deuceEasyProbabilityCombinatoricsView →
- When the clock hands next meetEasyBrainteasersView →
- Where the maximum landsEasyRandom VariablesStatisticsView →
- Whether either bus comes soonEasyProbabilityRandom VariablesView →
- Which side holds the heavy weightEasyProbabilityCombinatoricsView →
- Which side of a two-sided marketEasyExpected ValueMarket Making & Betting GamesView →
- Who wins the first head?EasyProbabilityView →
- Winning by a growing marginEasyProbabilityBrainteasersView →
- Both sixes given at least oneEasyProbabilityConditional Probability & Expectation Premium
- Return speed for a target averageEasyBrainteasers Premium
- The first die beats the secondEasyProbabilityConditional Probability & Expectation Premium
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