Combinatorics Questions for Betting Game Rounds Interviews
A betting game rounds round does not test combinatorics the way a textbook does. This set is the overlap - the combinatorics questions that actually turn up in this format.
41 questions, 33 of them free to practise right now. The split is 22 easy, 17 medium, 2 hard.
- A guest list with a feudEasyCombinatoricsView →
- A perfect-power dice sumEasyProbabilityCombinatoricsView →
- A repeated digit in the PINEasyProbabilityCombinatoricsView →
- All four aces before any kingEasyProbabilityCombinatoricsView →
- An even palindromeEasyProbabilityCombinatoricsView →
- Arranging colored balls in a lineEasyCombinatoricsView →
- At least one matching pair in three cardsEasyProbabilityCombinatoricsView →
- Counting flushesEasyProbabilityCombinatoricsView →
- Counting up-down walks to a targetEasyCombinatoricsView →
- Distinct-digit numbers using a 7EasyCombinatoricsView →
- Even-size, non-empty subsetEasyProbabilityCombinatoricsView →
- Exactly one ace in three drawsEasyProbabilityCombinatoricsView →
- Finding the number of blue socksEasyProbabilityCombinatoricsView →
- Handshakes at four couplesEasyCombinatoricsBrainteasersView →
- Repeated digit on a plateEasyCombinatoricsView →
- The top two cards form a pairEasyProbabilityCombinatoricsView →
- Three cube faces at a cornerEasyProbabilityCombinatoricsView →
- Three distinct dice, no sixEasyProbabilityCombinatoricsView →
- Two numbers in different groupsEasyProbabilityCombinatoricsView →
- Two ordering constraints at onceEasyProbabilityCombinatoricsView →
- Two primes with an even sumEasyProbabilityCombinatoricsView →
- Units digit of a random productEasyProbabilityCombinatoricsView →
- A prime sum on prime diceMediumProbabilityCombinatoricsView →
- An ace for everyoneMediumProbabilityCombinatoricsView →
- Exactly two aces in a bridge handMediumProbabilityCombinatoricsView →
- First HH on the tenth tossMediumProbabilityCombinatoricsView →
- Full housesMediumProbabilityCombinatoricsView →
- No face card before the two of heartsMediumProbabilityCombinatoricsView →
- The birthday problemMediumProbabilityCombinatoricsView →
- The third shiny pennyMediumProbabilityCombinatoricsView →
- Variance of hearts in eight cardsMediumCombinatoricsStatisticsView →
- Largest pairwise-coprime subset sumHardCombinatoricsBrainteasersView →
- Pairs left in the drawerHardCombinatoricsExpected ValueView →
- Aces in a seven-card handMediumCombinatoricsExpected Value Premium
- An ace in the handMediumProbabilityCombinatorics Premium
- Counting straightsMediumProbabilityCombinatorics Premium
- Eight coins, one lightMediumCombinatoricsBrainteasers Premium
- Keeping a couple togetherMediumCombinatorics Premium
- Large sum given a sixMediumProbabilityConditional Probability & Expectation Premium
- Math books stay togetherMediumCombinatorics Premium
- Paths on a 4×3 gridMediumCombinatorics Premium
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