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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
4.0k
Companies
972
Updated
11.02.2026
4.0k Questions 972 Companies11.02.2026
PLTCHK testimonial
PLTCHK

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

_The_TaNk_ testimonial
_The_TaNk_

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

Chris testimonial
ChrisSenior SWE, LinkedIn

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

sleepy33 testimonial
sleepy33

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

Shruti testimonial
ShrutiData Engineer, Salesforce

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

midnightramen testimonial
midnightramen

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

Bianca testimonial
BiancaFrontend Eng, Figma

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."

PLTCHK testimonial
PLTCHK

"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"

_The_TaNk_ testimonial
_The_TaNk_

"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"

Chris testimonial
ChrisSenior SWE, LinkedIn

"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."

sleepy33 testimonial
sleepy33

"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."

Shruti testimonial
ShrutiData Engineer, Salesforce

"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."

midnightramen testimonial
midnightramen

"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."

Bianca testimonial
BiancaFrontend Eng, Figma

"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."

Showing 20 results
Uber logo
Uber
Medium
Data Scientist

Evaluate ETA Impact on Conversion

You are a Senior Data Scientist at a ride-hailing company such as Uber. ETA refers to the estimated pickup time shown to a rider before they decide wh...

Analytics & ExperimentationExperiment Design (A/B Testing)
20
0
195 people solved
Feb 14, 2026
Meta logo
Meta
Medium
Product Manager

Diagnosing a Sudden 50% Rise in Average Comments on a News Platform

You are a product manager for a news platform where readers can comment on stories. Over a span of two days, the platform's average number of comments...

Analytics & ExperimentationMetric DiagnosticsSegmentation & Cohort Analysis
1
0
12 people solved
Aug 28, 2026
Meta logo
Meta
Medium
Product Manager

Setting 12-Month Goals and a North-Star Metric for Meta AI Six Months After Launch

Meta's AI assistant went live six months ago, and the company wants it to become a core experience. As its product manager, how would you set goals fo...

Analytics & ExperimentationMetrics & KPIsAI Product Management
0
0
5 people solved
Jun 5, 2026
Microsoft logo
Microsoft
Medium
Product Manager

Product Improvement: Making It Easier to Share and Collect Photos in Google Photos

How would you make sharing photos and videos in Google Photos better? `hint Find the sharing moment that breaks Think of a specific occasion when seve...

Product Design & StrategyProduct Design & Improvement
0
0
7 people solved
Aug 8, 2026
The New York Times logo
The New York Times
Medium
Product Manager

Weighing Usage Metrics Against User Research When Making Product Decisions

In a product manager interview, you are asked how you balance quantitative data (usage metrics, funnels, experiment results) against qualitative data ...

Product / Decision MakingUser Research & DiscoveryAmbiguity & Decision Making
1
0
11 people solved
Apr 6, 2026
Netflix logo
Netflix
Medium
Product Manager

Defining a North Star and Guardrail Metrics for Podcasts on Netflix

You are a product manager at Netflix responsible for its podcast offering, Netflix Podcasts. Define the metrics you would use to judge whether it is w...

Analytics & ExperimentationMetrics & KPIsCausal Inference
0
0
9 people solved
Jul 5, 2026
Google logo
Google
Medium
Product Manager

Product sense: choosing a user group and designing a new product for airports

An interviewer asks you to come up with a new product that people would use in an airport. The choice of users and problem is yours. Explain the goal ...

Product Design & StrategyProduct Sense
0
0
9 people solved
Jun 17, 2026
Duolingo logo
Duolingo
Medium
Product Manager

Diagnosing a Well-Loved Feature That Shows No Measurable Business Impact

You launched a feature that users clearly like and say they find helpful, but it is not producing any business impact you can measure. What would you ...

Product Design & StrategyLaunch EvaluationExperiment Design (A/B Testing)
0
0
8 people solved
Apr 28, 2026
Signzy logo
Signzy
Medium
Product Manager

Splitwise Home Screen Search: Trade-offs of a Leadership Feature Request

You are the product owner for Splitwise, the app that groups of friends, roommates and travel companions use to log shared expenses, see who owes whom...

Product Design & StrategyProduct Design & ImprovementPrioritization & Tradeoffs
0
0
6 people solved
Aug 17, 2026
Capital One logo
Capital One
Medium
Product Manager

Diagnosing an Instagram daily active user decline while monthly actives stay flat

You are a product manager at Meta. Instagram's daily active users (DAU) are falling, while monthly active users (MAU) have stayed flat. How would you ...

Analytics & ExperimentationMetric DiagnosticsSegmentation & Cohort Analysis
1
0
13 people solved
Jan 26, 2026
Google logo
Google
Medium
Data ScientistSenior+

How do you diagnose a ratio metric change

In an A/B test, the treatment group shows a statistically significant increase in a ratio metric: - CTR = clicks / impressions increased by +1.2% rela...

Analytics & ExperimentationMetric DiagnosticsExperiment Analysis & Readout
33
0
268 people solved
Nov 24, 2025
Google logo
Google
Medium
Product Manager

Google Pixel Strategy: Winning Over Gen Z Smartphone Buyers

You are the product manager for Google's Pixel phones. Your goal is to make Pixel the phone that people in Gen Z choose first. Lay out your strategy: ...

Product Design & StrategyProduct StrategyMarket & Competitive Analysis
1
0
13 people solved
Jun 10, 2026
Google logo
Google
Medium
Product Manager

Setting Strategy and a Roadmap for Proactive Help in Gemini

You are the product manager responsible for proactivity in Gemini, Google's AI assistant: help that Gemini offers on its own, before the user asks. Ho...

Product Design & StrategyProduct StrategyAI Product Management
0
0
8 people solved
Jul 6, 2026
DoorDash logo
DoorDash
Medium
Product Manager

Product Critique of an Audio Streaming App: Strengths, Pain Points and Fixes

Choose a music or podcast app that you use. Explain what you like about it, what you dislike about it, and what improvements you would suggest. Answer...

Product Design & StrategyProduct Design & Improvement
0
0
11 people solved
Mar 3, 2026
Pinterest logo
Pinterest
Hard
Data Scientist

Analyze survey with gender imbalance

Analyze survey with gender imbalance Scenario You ran a user survey to measure satisfaction with a new product feature. Each respondent reports: - gen...

Statistics & MathSampling & EstimationProbability
22
0
175 people solved
Aug 2, 2025
Meta logo
Meta
Easy
Data Scientist

How to measure harmful-content severity and run experiments

Question You are a Data Scientist working on content integrity / harmful content at a large social media platform (e.g., hate/harassment, self-harm, g...

Analytics & ExperimentationExperiment Design (A/B Testing)Metrics & KPIs
43
0
285 people solved
Feb 18, 2026
DoorDash logo
DoorDash
Medium
Product Manager

Rideshare Subscription: Finding and Ranking the Experiences That Hurt Members Most

You are the product manager for the paid membership program of a ride-hailing app. How would you find out which member experiences are the most negati...

Analytics & ExperimentationSegmentation & Cohort AnalysisCausal Inference
0
0
10 people solved
Feb 17, 2026
OpenAI logo
OpenAI
Easy
Data Scientist

Compute signup rate and retention from raw logs

Scenario You are analyzing an A/B test for a marketing campaign offering a free 1-month trial. You are given raw “upstream” tables that resemble produ...

Data Manipulation (SQL/Python)Experiment Design (A/B Testing)Metrics & KPIs
13
0
118 people solved
Oct 4, 2025
Meta logo
Meta
Medium
Product Manager

Metrics Plan for Meta Ads That Drive Foot Traffic to Physical Stores

You are the product manager for Meta's advertising products built for offline shops: businesses that make their sales in physical stores rather than o...

Analytics & ExperimentationMetrics & KPIsCausal Inference
1
0
10 people solved
May 15, 2026
StubHub logo
StubHub
Medium
Software Engineer Locked

Design a Global Marketing Email Platform

This question evaluates a candidate's ability to design a scalable, reliable distributed system for global marketing email delivery, encompassing time...

System DesignJob Scheduling & WorkflowsMessaging & Event-Driven
21
0
199 people solved
Jan 21, 2026
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