Not sure what to study next?

Get a personalised quant interview roadmap built around your upcoming interviews, strengths and weaknesses.

Create My Roadmap →

Takes a few minutes. Start with your target role and firms.

Quantitative Finance Courses

Probability for Quantitative Finance Data Structures and Algorithms in Python Quantitative Trading in Python Python Programming for Traders View all courses →

Interview Guides

Optiver Trader Guide SIG Researcher Guide Jane Street Trader Guide Citadel Software Engineer Guide View all guides →

Online Assessment Tools

Optiver Mental Maths Tool Akuna Capital Mental Maths Tool Flow Traders Mental Maths Tool SIG Online Assessment Tool View all OA tools →

Interview Preparation

Interview Probability Questions Brainteasers Market Games Programming Questions View all interview resources →

Quant Brainteasers
for Interviews

Practice for all interviews with our realistic abstract logic and reasoning questions!

Firm-specific preparation

Preparing for a specific quant firm? Practice questions selected for the interview process at each firm.

Optiver Interview Questions → Jane Street Interview Questions → SIG Interview Questions → Citadel Interview Questions → IMC Interview Questions → Akuna Capital Interview Questions → Hudson River Trading Interview Questions → BlackEdge Interview Questions → Chicago Trading Company Interview Questions → DRW Interview Questions → Five Rings Interview Questions → Flow Traders Interview Questions →

Name

Category

Difficulty

The Holy Solution

Problem Solving

Medium Arrow

Bags and Balls

Problem Solving

Medium Arrow

Cake Cutting

Abstract Reasoning

Hard Arrow

Cider Taster

Attention to Detail

Easy Arrow

Six Divisible

Attention to Detail

Easy Arrow

Poppin' Pills

Abstract Reasoning

Medium Arrow

Light Gold

Problem Solving

Medium Arrow

Glove Picking

Attention to Detail

Easy Arrow

Birth Preference

Abstract Reasoning

Medium Arrow

Game Show Odds

Problem Solving

Hard Arrow

Hourglass Union

Problem Solving

Easy Arrow

Missing Value

Problem Solving

Easy Arrow

Watermelons

Attention to Detail

Easy Arrow

Clock Strikes Thirteen

Attention to Detail

Easy Arrow

Sum to 1000

Problem Solving

Medium Arrow

Rankings

Problem Solving

Medium Arrow

Seating Arrangements

Attention to Detail

Easy Arrow

Checkpoints

Problem Solving

Medium Arrow

Shattering Glass

Problem Solving

Hard Arrow

Erasing Bias

Abstract Reasoning

Medium Arrow

Cheese Holes

Attention to Detail

Medium Arrow

Professional Cleaners

Problem Solving

Easy Arrow

Pyramids

Attention to Detail

Hard Arrow

Special Number

Problem Solving

Medium Arrow

Cubed Snail

Problem Solving

Easy Arrow

Hungry Bears

Attention to Detail

Easy Arrow

Square Roots

Attention to Detail

Hard Arrow

The Perfect Square

Attention to Detail

Easy Arrow

Quick Runner

Attention to Detail

Easy Arrow

Numbers Game

Attention to Detail

Easy Arrow

Game of Truth

Attention to Detail

Medium Arrow

Ropes

Abstract Reasoning

Medium Arrow

Cutting Cubes

Attention to Detail

Easy Arrow

First to 20

Problem Solving

Medium Arrow

Flickering Bulbs

Problem Solving

Hard Arrow

Odd Looking Heads

Attention to Detail

Easy Arrow

Light Bulbs

Abstract Reasoning

Easy Arrow

Card Facings

Abstract Reasoning

Hard Arrow

Josephus Simplified

Attention to Detail

Easy Arrow

Hat Confusion

Problem Solving

Medium Arrow

Clock Intercepts

Attention to Detail

Easy Arrow

Dog, Cat, and Fish

Problem Solving

Easy Arrow

Mental Math Practice

Attention to Detail

Easy Arrow

Poisoned Entrees

Problem Solving

Hard Arrow

Bullet Spray

Problem_solving

Medium Arrow

Converging Water

Problem Solving

Hard Arrow

Fermi Problems

Problem_solving

Medium Arrow

I-Spy

Optimisation

Medium Arrow

Eye Colors

Problem_solving

Hard Arrow

Chips

Problem_solving

Hard Arrow

Dollar Dollar Bills

Problem_solving

Hard Arrow

Lock Me Out

Game_theory

Hard Arrow

Now I Know!

Game_theory

Hard Arrow

Prisoners

Problem_solving

Hard Arrow

Speed Dogs

Problem Solving

Easy Arrow

Showing 1-25 of

    Category

    Difficulty

    Break into Quant Finance with EverythingQuant Premium!

    Subscribe and you'll get:

    All Quant Online Assessment Tools

    All Interview Questions and Brainteasers

    Full Access to All Courses and Guides

    Access to All Simulated Trading Exchanges

    Advance your quant career here!

    Join our Newsletter and Receive the Latest Updates!

    Main Links

    Trade Courses Assessments Interview Prep Contact Us

    Social Media

    Facebook Instagram YouTube

    Trade

    Binoculars Kerosene Blueberries and Redberries Safari Hats Mittens and Firewood Seaside Collection Fund Bradley's Boots Marigolds

    Courses

    Mental Maths and Sequences Probability for Quantitative Finance Algorithmic Trading in Python Python Programming for Traders Data Structures and Algorithms in Python

    Assessments

    Optiver Mental Maths Tool Optiver Number Box Tool Optiver Sequences Tool Optiver Probability Tool Optiver Technology Tool Akuna Capital Mental Maths Tool Akuna Capital Sequences Tool Flow Traders Mental Maths Tool Citadel Online Assessment Tool SIG Online Assessment Tool

    Interview Prep

    Probability Questions Brainteasers Probability Question Bank Programming Questions

    Legal

    Terms and Conditions Privacy Policy Privacy settings

    Talent Acquisition

    Looking to hire exceptional quant talent?
    See how we can help.

    © 2026 EverythingQuant. All Rights Reserved.