Interview Questions

1,000+ real questions across SQL, Python, statistics, ML and more.

Modern Classic

Practice mode

Probability & Statistics

The math foundation of data science interviews

Regression Discontinuity at a Rating Threshold

HardAirbnbStatistics

Assessing Multicollinearity

EasyAmazonStatistics

Interpret P-value

EasyAmazonStatistics

Probability & Statistics

The math foundation of data science interviews

Product Sense

Metrics, diagnosis, and PM-style thinking — including AI product questions

Spike in Uploads

MediumAdobeProduct

Engagement Metrics for Financial Apps

MediumProduct

Did the Feature Launch Work?

MediumAppleProduct

Product Sense

Metrics, diagnosis, and PM-style thinking — including AI product questions

ML/AL Engineer Track

ML Modeling and GenAI questions for engineer interviews

Random Forrest

EasyAccentureModeling

Logit and Probit Models

EasyModeling

Black Box Model

EasyAffirmModeling

ML/AL Engineer Track

ML Modeling and GenAI questions for engineer interviews

Filtered Results

Operations Team

EasyAirbnbBusiness Case

DCF for a Fulfillment Center

HardAmazonBusiness Case

Pinpoint a Potential Terrorist

EasyAXABusiness Case

Car GPS Data

MediumBusiness Case

Financial Institution

EasyBusiness Case

NYC Daily Trips

EasyCapital OneBusiness Case

Population in Nigeria

EasyCitadelBusiness Case

Tallest People

EasyDellBusiness Case

Payback Period or NPV?

EasyDropboxBusiness Case

Roads in San Francisco

EasyeBayBusiness Case

Windows in NYC

EasyExpediaBusiness Case

Usefulness of Analysis

EasyEYBusiness Case

Blue Paint Cans

EasyGoogleBusiness Case

NPV of a Retention Programme

MediumBusiness Case

Height of Oil Storage Tank

EasyBusiness Case

US Tobacco Market

EasyKPMGBusiness Case

Anti-Dentite

MediumMetaBusiness Case

Double the Number of Ads

MediumMetaBusiness Case

Estimating Birthdays

MediumMetaBusiness Case

Finding Invalid Schools

MediumMetaBusiness Case

Showing 20 of 30 questions