Top 50
The 50 most frequently asked interview questions
2D Paths I
Brainteasers
Combinatorics
Easy
Couple Handshakes
Brainteasers
Combinatorics
Easy
Rubik's Cube Stickers
Brainteasers
Combinatorics
Easy
Theater Seating
Brainteasers
Easy
Number 50
Brainteasers
Combinatorics
Medium
Picture Day
Brainteasers
Combinatorics
Medium
Safe Cracking
Brainteasers
Combinatorics
Hard
Car Crashes
Probability
Events
Easy
Colorful Socks I
Probability
Combinatorics
Easy
Modified Even Coins
Probability
Conditional Probability
Easy
Poker Hands I
Probability
Combinatorics
Events
Easy
Probability of Unfair Coin I
Probability
Easy
The Last Airbender
Probability
Events
Easy
Birthday Twins II
Probability
Combinatorics
Medium
Cats and Dogs I
Probability
Events
Medium
Chess Tournament I
Probability
Events
Combinatorics
Medium
Comparing Flips II
Probability
Expected Value
Conditional Expectation
Discrete Random Variables
Medium
Dice Order I
Probability
Conditional Probability
Combinatorics
Medium
Odd Coin Flips
Probability
Conditional Probability
Discrete Random Variables
Medium
Forming a Triangle
Probability
Continuous Random Variables
Hard
Free Sundae
Probability
Games
Conditional Probability
Hard
Random Subsets
Probability
Combinatorics
Events
Hard
Soccer Practice
Probability
Conditional Probability
Events
Hard
Basic Dice Game I
Probability
Expected Value
Conditional Expectation
Easy
Dangerous Doubles
Probability
Expected Value
Easy
Magic Doors
Probability
Conditional Probability
Easy
Better in Red I
Probability
Expected Value
Medium
Collecting Toys I
Probability
Expected Value
Medium
First Ace
Probability
Expected Value
Medium
Heads and Tails I
Probability
Expected Value
Medium
Peeled Dice
Probability
Conditional Expectation
Medium
Repetitious Game II
Probability
Expected Value
Medium
Six Card Sum
Probability
Games
Medium
Unfair Roulette
Probability
Conditional Probability
Medium
Expected Chord Length
Probability
Continuous Random Variables
Expected Value
Hard
Marble Runs
Probability
Expected Value
Hard
Ramen Bowl
Probability
Expected Value
Hard
Sum Exceedance I
Probability
Expected Value
Continuous Random Variables
Hard
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50 of the most asked quantitative interview questions asked across Wall Street. These are the classics.