Medium Numerical Reasoning Tests Interview Questions
The level most numerical reasoning tests questions actually land at.
95 questions, 47 of them free to practise right now. The topics that come up most are probability (27), expected value (25), brainteasers (15), combinatorics (14).
- A 5 before a 7MediumProbabilityView →
- A ladder slipping in oilMediumCalculusView →
- A large power, modular orderMediumProgramming & DSAView →
- Balancing six- and eight-sided diceMediumExpected ValueBrainteasersView →
- Bridge and torchMediumBrainteasersView →
- Capturing the spreadMediumMarket Making & Betting GamesView →
- Cash out or bustMediumProbabilityExpected ValueView →
- Cats and dogs on the streetMediumBrainteasersView →
- Chords that don't crossMediumProbabilityCombinatoricsView →
- Cutting a cube into 27MediumBrainteasersView →
- Dice payoff via WaldMediumExpected ValueStochastic ProcessesView →
- Digits multiplying to half the numberMediumBrainteasersView →
- Distributing candies with a capMediumCombinatoricsView →
- Eight dice summing to twelveMediumProbabilityCombinatoricsView →
- Emptying the cherry bowlMediumProbabilityCombinatoricsView →
- Expected flips for HTMediumExpected ValueStochastic ProcessesView →
- Expected maximum of two diceMediumRandom VariablesExpected ValueView →
- Expected median of three diceMediumProbabilityExpected ValueView →
- Expected value of the highest cardMediumProbabilityExpected ValueView →
- First consecutive repeatMediumProbabilityExpected ValueView →
- First head on an even flipMediumProbabilityView →
- First head strictly soonerMediumProbabilityRandom VariablesView →
- Gamma-scalping a round tripMediumFinance & DerivativesView →
- Implied vol from a straddle quoteMediumFinance & DerivativesView →
- Locking a profit by hedging after the odds moveMediumExpected ValueMarket Making & Betting GamesView →
- Long-run share of a two-state chainMediumLinear AlgebraView →
- Monotone paths across a gridMediumCombinatoricsView →
- One card each in casino warMediumProbabilityCombinatoricsView →
- One extra roll for more primesMediumProbabilityView →
- Pay to play with a capMediumExpected ValueMarket Making & Betting GamesView →
- Pricing the higher of two diceMediumExpected ValueMarket Making & Betting GamesView →
- Profit on a bull call spreadMediumFinance & DerivativesView →
- Profit on a risk reversalMediumFinance & DerivativesView →
- Rate of a growing shadowMediumCalculusView →
- Red faces on a diced cubeMediumCombinatoricsExpected ValueView →
- Rolling a 5-sided die to reach fiveMediumProbabilityExpected ValueView →
- Rolling until two rolls differ by twoMediumProbabilityExpected ValueView →
- Sharpe ratio in a marble gameMediumExpected ValueStatisticsView →
- Sum of multiples of 3 or 5MediumBrainteasersView →
- The largest unmakeable totalMediumCombinatoricsBrainteasersView →
- The third shiny pennyMediumProbabilityCombinatoricsView →
- Three dots on a squareMediumProbabilityCombinatoricsView →
- Three rolls, keep the lastMediumExpected ValueView →
- Three-jug measuringMediumBrainteasersView →
- Two ropes, 45 minutesMediumBrainteasersView →
- Variance of a coin-gated payoffMediumRandom VariablesStatisticsView →
- Winner's curseMediumMarket Making & Betting GamesView →
- A CLT tail probabilityMediumStatistics Premium
- A convexity gap by JensenMediumRandom VariablesExpected Value Premium
- A cube root by tangent lineMediumCalculus Premium
- An integral by symmetryMediumCalculus Premium
- Ants on a stickMediumBrainteasers Premium
- Backing out a margin-free probabilityMediumMarket Making & Betting Games Premium
- Balloon related ratesMediumCalculus Premium
- Break-even half-spread from toxic flowMediumProbabilityExpected Value Premium
- Break-even half-spread under adverse selectionMediumExpected ValueMarket Making & Betting Games Premium
- Buyer count in a thinned arrival streamMediumProbabilityStochastic Processes Premium
- Calendar spread intuitionMediumFinance & Derivatives Premium
- Cash-and-carry arbitrageMediumFinance & Derivatives Premium
- Cash-and-carry arbitrage profitMediumFinance & Derivatives Premium
- Cheapest way to chain three productsMediumLinear Algebra Premium
- Correlation of overlapping sumsMediumRandom VariablesStatistics Premium
- Delta-hedge a two-leg option bookMediumFinance & Derivatives Premium
- Distinct birthdays representedMediumProbabilityExpected Value Premium
- Distinct faces in five rollsMediumCombinatoricsExpected Value Premium
- Empty boxesMediumExpected Value Premium
- Expected exponential of Brownian motionMediumStochastic Processes Premium
- Expected maximum of three diceMediumRandom VariablesExpected Value Premium
- Expected revenue of a Vickrey auctionMediumProbabilityExpected Value Premium
- Fair price of a die with one re-rollMediumExpected ValueMarket Making & Betting Games Premium
- Fair value after two informed buysMediumMarket Making & Betting Games Premium
- Four distinct birth monthsMediumProbabilityCombinatorics Premium
- Frog in the wellMediumBrainteasers Premium
- HT before HH in coin flipsMediumProbabilityStochastic Processes Premium
- How many stack outputs?MediumProgramming & DSA Premium
- Implicit differentiation on a circleMediumCalculus Premium
- Inventory skewMediumMarket Making & Betting Games Premium
- Largest pen against a riverMediumCalculus Premium
- Limit of x ln x as x to 0+MediumCalculus Premium
- MLE at a boundaryMediumStatisticsCalculus Premium
- Neither die exceeds fourMediumProbabilityRandom Variables Premium
- Optimal quote widthMediumMarket Making & Betting Games Premium
- Pair at a round tableMediumCombinatorics Premium
- Poisson thinning: exactly two large ordersMediumRandom Variables Premium
- Prime sumMediumProbability Premium
- Rare-event Poisson approximationMediumProbabilityRandom Variables Premium
- Right angles in 12 hoursMediumBrainteasers Premium
- Sum of 10 with three diceMediumProbabilityCombinatorics Premium
- The gold chainMediumBrainteasers Premium
- The missing dollarMediumBrainteasers Premium
- Two trains and a flyMediumBrainteasers Premium
- Two uniforms summing past 1.5MediumProbabilityCalculus Premium
- Variance of an aggregate Poisson totalMediumRandom VariablesStochastic Processes Premium
- Volatility smile meaningMediumStatisticsFinance & Derivatives Premium
- Which desk books the larger dayMediumRandom VariablesStatistics Premium
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