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Probability Questions

Practice difficult probability questions for interviews!

Name

Category

Difficulty

Reservations

Problem Solving

Medium Arrow

Decreasing Values

Problem Solving

Medium Arrow

The Tiebreaker

Problem Solving

Medium Arrow

Deranged Favors

Problem Solving

Medium Arrow

Expected Game

Problem Solving

Easy Arrow

NBA Finals

Optimisation

Hard Arrow

Greedy Dice 2

Optimisation

Hard Arrow

Marble Bag Pull

Optimisation

Easy Arrow

Lucky 3

Optimisation

Medium Arrow

Shooting Threes

Optimisation

Easy Arrow

Odd Tailing

Problem Solving

Easy Arrow

Random Walk Bet

Problem Solving

Easy Arrow

Bayes Coins

Problem Solving

Easy Arrow

Wrong Seat

Problem Solving

Hard Arrow

Exponential Wins

Optimisation , Strategy

Medium Arrow

Combined Lovers

Problem Solving

Easy Arrow

Not So Perfect Squares

Optimisation , Strategy

Hard Arrow

Discrete Coin Tossing

Optimisation

Medium Arrow

Lucky Six

Problem Solving

Easy Arrow

Coin Case

Problem Solving

Medium Arrow

Archer Trade-off

Optimisation

Medium Arrow

Precise Archery

Optimisation

Medium Arrow

Pogo Stick

Optimisation

Easy Arrow

Stirling's Team

Problem Solving

Hard Arrow

Declining Values

Problem Solving

Medium Arrow

Distinct Edges

Problem Solving

Easy Arrow

Unfair Advantage

Problem Solving

Medium Arrow

Coin Flip Pattern

Problem Solving

Easy Arrow

Bacteria Spread

Problem Solving

Medium Arrow

Card EV

Problem Solving

Medium Arrow

Lovers, Not Haters

Problem Solving

Medium Arrow

Defective Coin

Problem Solving

Medium Arrow

Stock Swings

Optimisation

Hard Arrow

Carnival Odds

Problem Solving

Medium Arrow

Lottery Winner

Optimisation

Medium Arrow

Intersect Probabilities

Problem Solving

Medium Arrow

Car Beeps

Problem Solving

Easy Arrow

Terminating Cards

Problem Solving

Medium Arrow

Important Meeting

Problem Solving

Medium Arrow

Four and Heads

Problem Solving

Easy Arrow

Team Changes

Problem Solving

Hard Arrow

Pogo Swings

Problem Solving

Hard Arrow

All Outcomes

Problem Solving

Hard Arrow

Changing Coin

Optimisation

Medium Arrow

Guess my Number!

Strategy

Hard Arrow

Kookaburra

Problem Solving

Easy Arrow

Birthday Twins

Problem Solving

Medium Arrow

Coin Toss Champion

Strategy

Medium Arrow

The Book Keeper

Problem Solving

Medium Arrow

Side Bets

Problem Solving

Hard Arrow

Stranded Explorer

Problem Solving

Medium Arrow

Shy Friend

Problem Solving

Medium Arrow

Imperfect Cubes

Optimisation , Strategy

Medium Arrow

Extinct Species

Problem Solving

Medium Arrow

Stick Breaker

Problem Solving

Easy Arrow

Die Optimisation

Optimisation , Strategy

Hard Arrow

Optimal Solution

Optimisation , Problem Solving

Medium Arrow

Greedy Dice

Optimisation , Strategy

Hard Arrow

Species Die Out

Problem Solving

Medium Arrow

Stock Betting

Optimisation

Medium Arrow

Dice Game Show

Optimisation

Medium Arrow

Exponent Losses

Optimisation , Problem Solving

Medium Arrow

Dice Recursion

Problem Solving

Medium Arrow

Tennis Game

Optimisation

Medium Arrow

Prime Roller

Problem Solving

Hard Arrow

Primed Up

Optimisation , Problem Solving

Medium Arrow

Terminating Coins

Problem Solving

Medium Arrow

Rock, Scissors, Paper

Optimisation

Medium Arrow

Random Walks

Problem Solving

Medium Arrow

50 Coin Challenge

Optimisation , Strategy

Medium Arrow

Even or Odd

Problem Solving

Easy Arrow

Perfect Coin and Die

Optimisation , Problem Solving

Hard Arrow

Self Reproduction

Problem Solving

Medium Arrow

Three Round Games

Problem Solving

Medium Arrow

Roll to Play

Strategy

Easy Arrow

First to Seven

Problem Solving

Easy Arrow

Expected Sum

Problem Solving

Easy Arrow

Ten Multiples

Optimisation , Problem Solving

Medium Arrow

Precise Heads

Problem Solving

Easy Arrow

Expected Heads

Problem Solving

Easy Arrow

Dice Pull Out

Optimisation

Hard Arrow

Special Dice

Strategy

Medium Arrow

Store Purchases

Problem Solving

Medium Arrow

Full House

Problem Solving

Medium Arrow

Step Probabilities

Problem Solving

Easy Arrow

Archer Shoot Out

Problem Solving

Easy Arrow

Tennis Game 2

Optimisation

Hard Arrow

Increasing Wins

Strategy

Medium Arrow

Cyclone Hazards

Problem Solving

Hard Arrow

Order Dice

Strategy

Hard Arrow

Dice and Coin

Strategy

Easy Arrow

Profitable Days

Problem Solving

Hard Arrow

Bull Market

Problem Solving

Medium Arrow

Markov Scissors

Strategy

Hard Arrow

Optimal Round

Optimisation

Hard Arrow

Showing 1-25 of

    Category

    Difficulty

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