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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
Zomato logo
Zomato
Medium
Product Manager

Diagnose and Fix a Sudden Rise in Missing-Item Food Orders at Zomato

Zomato sees a sudden spike in food orders that reach customers incomplete, with one or more items missing. As the product manager, find out what is dr...

Analytics & ExperimentationMetric DiagnosticsSegmentation & Cohort Analysis
1
0
9 people solved
Nov 21, 2025
LinkedIn logo
LinkedIn
Easy
Data Scientist

Do US members upload more videos than non-US?

You suspect video posting adoption differs between US and international members. Tables members - memberid INT (PK) - country VARCHAR (e.g., 'usa', '...

Analytics & ExperimentationMetrics & KPIsSegmentation & Cohort Analysis
11
0
104 people solved
Feb 1, 2026
Meta logo
Meta
Medium
Machine Learning Engineer Locked

Design an ads ranking system with calibration

This question evaluates a candidate's ability to design scalable, low-latency online machine learning systems for ads ranking, covering competencies i...

ML System DesignCTR Prediction & Ads MLRanking Models
12
0
186 people solved
Jan 21, 2026
Flipkart logo
Flipkart
Medium
Product Manager

Growing Duolingo's Paid Revenue in India: Segments, Pricing and Product Bets

Suppose you are the product manager responsible for Duolingo in India, and the goal is to grow the revenue Duolingo earns from Indian learners. How wo...

Product Design & StrategyGrowth & MonetizationPrioritization & Tradeoffs
1
0
15 people solved
Jun 21, 2026
OpenAI logo
OpenAI
Hard
Data Scientist Locked

Compute churn with re-subscriptions

This question evaluates proficiency in event-time data manipulation, temporal aggregation, and subscription-state logic for computing conversion and r...

Data Manipulation (SQL/Python)SQLSegmentation & Cohort Analysis
20
0
179 people solved
Jan 15, 2026
Google logo
Google
Medium
Product Manager

Design a Teen Wellbeing App: Choosing the Health Need, Segment and First Version

You are a product manager asked to design a health app built specifically for teenagers. It should reflect what sets teenagers apart from adult users:...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
10 people solved
May 11, 2026
Disney logo
Disney
Medium
Product Manager

Contrast Disney+ and Hulu on audience, content, business model and portfolio role

How would you compare Disney+ and Hulu? Walk through how you would structure the comparison and what you would conclude from it. `hint Remember who ow...

Product Design & StrategyMarket & Competitive AnalysisProduct Strategy
0
0
7 people solved
Feb 9, 2026
Amazon logo
Amazon
Medium
Business Intelligence Engineer

Identify Top-Buying Customers Daily with SQL Query

PRIME +-------------+------------+----------+ | Customer_ID | Start_Date | End_Date | +-------------+------------+----------+ | 1 | 2025-01-...

Data Manipulation (SQL/Python)SQLMetrics & KPIs
20
0
84 people solved
Jul 12, 2025
Amazon logo
Amazon
Medium
Data Scientist

Calculate Regional Revenue and Identify Top Customers

Customers | customer_id | name | region | |-------------|-------|--------| | 1 | Alice | East | | 2 | Bob | West | | 3 ...

Data Manipulation (SQL/Python)SQLMetrics & KPIs
24
1
157 people solved
Jul 12, 2025
Google logo
Google
Medium
Product Manager

Design a pricing strategy for a hypothetical Google teleportation service

Imagine Google has invented teleportation. You are the product manager responsible for taking it to market, and the interviewer asks how you would pri...

Product / Decision MakingGrowth & MonetizationBusiness Case Analysis
1
0
10 people solved
Sep 10, 2026
Amazon logo
Amazon
Medium
Product Manager

Launch Plan for Selling Whole Foods Market Groceries in Amazon's Online Catalog

Amazon owns Whole Foods Market, the grocery chain known for natural and organic food. As a product manager, how would you introduce Whole Foods produc...

Product Design & StrategyRequirements & Launch ExecutionMetrics & KPIs
1
0
14 people solved
Mar 10, 2026
Safeway logo
Safeway
Medium
Product Manager

Supermarket Chain Product Design for an Underserved Niche Shopper Segment

You are a product manager at a large supermarket chain; use Safeway as the concrete example. Your task is to build a product that serves niche markets...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
7 people solved
Aug 12, 2026
Google logo
Google
Medium
Product Manager

Design Accessibility and Inclusion Features for the Chrome Browser

You are a product manager at Google working on its web browser; assume the browser is Chrome. What features would you add to make it more inclusive, s...

Product Design & StrategyAccessibility & Inclusive DesignProduct Design & Improvement
0
0
9 people solved
Jun 28, 2026
Robinhood logo
Robinhood
Hard
Data Scientist

Prove causality for trading metric drop

Goal You need to separate market-driven fluctuations from a product-caused decline in executed_trades per active user around a known release on 2025-0...

Statistics & MathCausal InferenceTime Series & Forecasting
7
0
95 people solved
Oct 13, 2025
Uber logo
Uber
Medium
Product Manager

Shared-ride launch scorecard for Uber Pool: primary metric, funnel and guardrails

Uber has launched Uber Pool, an option in the app where a rider accepts sharing the car with other riders going a similar way in exchange for a lower ...

Analytics & ExperimentationMetrics & KPIsLaunch Evaluation
0
0
9 people solved
Apr 9, 2026
PayPal logo
PayPal
Medium
Product Manager

Diagnosing a 10% three-month decline in Uber Eats cart-to-order conversion

You are the PM for Uber Eats. Cart conversion has fallen 10% over the past three months. How would you work out what is causing it? `hint Let the shap...

Analytics & ExperimentationMetric DiagnosticsUser Behavior & Funnels
0
0
9 people solved
Feb 4, 2026
Roblox logo
Roblox
Medium
Data Scientist

Defend a metric choice under scrutiny

Describe a time you chose a non-obvious primary metric (e.g., time-per-session over total time) and were challenged by a senior stakeholder. 1) How di...

Behavioral & LeadershipMetrics & KPIsCommunication & Stakeholders
7
0
106 people solved
Oct 13, 2025
Meta logo
Meta
Easy
Data Scientist Locked

How would you evaluate pixel-issue notifications?

This question evaluates a data scientist's skills in experimentation design, metric framework development, causal inference, and measurement-aware ana...

Analytics & ExperimentationExperiment Design (A/B Testing)Metrics & KPIs
11
0
118 people solved
Feb 18, 2026
DoorDash logo
DoorDash
Medium
Data ScientistSenior+

How would you mentor junior teammates?

Question You are interviewing for a senior-level data science role at DoorDash. The interviewer asks: > As a senior, how would you mentor others (espe...

Behavioral & LeadershipMentoring & Team GrowthLeadership & Influence
21
0
160 people solved
Feb 28, 2026
Affirm logo
Affirm
Medium
Data Scientist

Diagnose Sudden Drop in Credit-Card Approval Rate

Diagnose Sudden Drop in Credit-Card Approval Rate Fraud Risk: Sudden Drop in Credit Approval Rate Context You are the on-call Data Scientist supportin...

Analytics & ExperimentationMetric DiagnosticsData Quality & Validation
19
0
164 people solved
Aug 4, 2025
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