EverythingQuant Top 100 Interview Questions
The essentials of quant interviews, summarised in 100 questions
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Question
Category
1
Licence Plates
Combinatorics
2
Committee Split
Combinatorics
3
Passcodes
Combinatorics
4
Birthday Month
Combinatorics
5
Red is The New Green
Combinatorics
6
Letter Orders
Combinatorics
7
Phone Color
Binomial Probability
8
Door to Door Sales
Binomial Probability
9
Random Variables
Binomial Probability
10
Penalty Shootout
Binomial Probability
11
Hippopotamus
Binomial Probability
12
Defective Items
Binomial Probability
13
Two Boys
Conditional Probability
14
Health Tests
Conditional Probability
15
Gambler's Coin
Conditional Probability
16
Where's my Book?
Conditional Probability
17
Ace up your Sleeve
Conditional Probability
18
Insurance Classification
Conditional Probability
19
Project Value
Expected Value
20
Life Insurance
Expected Value
21
Marble Sum
Expected Value
22
Ant Movement
Expected Value
23
Card EV
Expected Value
24
Dice Maxxing
Expected Value
25
Stopping Six
Expected Value
26
Stopping Coin
Expected Value
27
Battery Life
Normal Distribution
28
Test Score Deviation
Normal Distribution
29
Goal Scorer
Normal Distribution
30
Phone Battery
Normal Distribution
31
Profit Days
Markov Process
32
Markov Dispenser
Markov Process
33
Sunny Days
Markov Process
34
Bulls and Bears
Markov Process
35
Particle Physics
Random Walk
36
Pogo Stick
Random Walk
37
Drunk Man
Random Walk
38
Random Walk Boundary
Random Walk
39
Ball Game
Game Strategy
40
Carnival Card Game
Game Strategy
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Question
Category
41
Coin Bias
Game Strategy
42
Compounding Returns
Game Strategy
43
triple-dice
Combinatorics
44
Even Steven
Combinatorics
45
Here's the Kicker
Optimisation
46
Consecutive Tosses
Problem Solving
47
Maximum Distance
Problem Solving
48
Cars
Problem Solving
49
Rocks and Paper
Problem Solving
50
Tiebreak Mania
Optimisation
#
Question
Category
51
Bacteria Growth
Problem Solving
52
Roll It All
Problem Solving
53
Profit Taking
Optimisation
54
Wall Street Bets
Problem Solving
55
Dora the Explorer
Problem Solving
56
Random Walks
Problem Solving
57
Coin Flippa
Optimisation
58
Cash King
Optimisation
59
A Quant's Gamble
Game Strategy
60
Double Head
Conditional Probability
61
Bullet Spray
Problem Solving
62
Switch Up
Problem Solving
63
Best Candidate
Game Strategy
64
Betting Size
Optimisation
65
Fermi Problems
Problem Solving
66
I-Spy
Optimisation
67
Coin and Beyond
Optimisation
68
Number Guess
Problem Solving
69
All Sixes
Problem Solving
70
Sustainable Growth
Optimisation
#
Question
Category
71
Multi Dimensions
Random Walk
72
Cyclone Season
Problem Solving
73
Biased Patterns
Problem Solving
74
Drunk Passenger
Problem Solving
75
Activity Building
Problem Solving
76
Eye Colors
Problem Solving
77
Chips
Problem Solving
78
Game Items
Optimisation
79
Optimising PnL
Optimisation
80
Poker
Problem Solving
81
Clock It
Optimisation
82
Dollar Dollar Bills
Problem Solving
83
It's a Long Way Down
Problem Solving
84
iRobot
Problem Solving
85
Expected Balls
Problem Solving
86
Cake Cutting
Problem Solving
87
Averages
Problem Solving
88
Optimising Profits
Optimisation
89
Lock Me Out
Game Strategy
90
Noodles
Problem Solving
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Question
Category
91
First to Six
Problem Solving
92
Intersecting Intervals
Problem Solving
93
Now I Know!
Game Strategy
94
Tetrahedron Inception
Problem Solving
95
Prisoners
Problem Solving
96
Two Best Candidates
Game Strategy
97
Coupon Madness
Optimisation
98
Sock Colors
Problem Solving
99
Double Dice
Optimisation
100
The End
Game Strategy