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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
18.6k
Companies
980
Updated
11.12.2026
18.6k Questions 980 Companies11.12.2026
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
LinkedIn logo
LinkedIn
Medium
Product Manager

Allocating LinkedIn's Top-Right Feed Slot: Sponsored Ads or Connection Suggestions

You are the product manager for the LinkedIn feed. The top-right position of the feed page can hold one of two modules: sponsored ads, or a "People Yo...

Product / Decision MakingPrioritization & TradeoffsExperiment Design (A/B Testing)
0
0
7 people solved
Oct 24, 2023
Meta logo
Meta
Hard
Data Scientist Locked

Diagnose sales correlations without claiming causality

This question evaluates a data scientist's competency in designing correlation-focused observational analyses, including exposure-window definition, c...

Analytics & Experimentation
2
0
43 people solved
Oct 13, 2025
DoorDash logo
DoorDash
Medium
Data Scientist

Compute sample sizes and error control

Using the Biker experiment context, compute required sample sizes and describe error control under practical constraints. Show formulas and numeric an...

Statistics & MathExperiment Design (A/B Testing)Hypothesis Testing
12
0
102 people solved
Oct 13, 2025
Google logo
Google
Medium
Product Manager

Product strategy call on Google recommending products to shoppers

Google is weighing whether to build a shopping recommendation product. As a product manager, give your recommendation: decide what such a product woul...

Product Design & StrategyProduct StrategyMarket & Competitive Analysis
0
0
5 people solved
Jan 30, 2024
Meta logo
Meta
Medium
Product Manager

Product Sense: Pick a Goal and Segment, Then Design an Upgrade for Meta's Messenger

You are a product manager on Messenger, Meta's app for chatting and calling Facebook friends and other contacts. How would you improve it? Choose a go...

Product Design & StrategyProduct Design & Improvement
0
0
5 people solved
Aug 10, 2024
Meta logo
Meta
Hard
Data Scientist Locked

Design and analyze notification pinning experiment

This question evaluates experimental design, causal inference, metric definition and instrumentation, sample size estimation, and analysis skills in t...

Analytics & Experimentation
2
0
37 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Product Manager

Design a Social Discovery Product That Brings Strangers Together Through Park Outings

Propose a new product that makes gatherings in parks more social by helping people connect with others they have never met. Explain how you interpret ...

Product Design & StrategyProduct SenseGrowth & Monetization
0
0
5 people solved
Nov 11, 2023
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Answer Leadership and Collaboration Prompts

This question evaluates leadership, collaboration, interpersonal communication, conflict resolution, adaptability, and self-reflection competencies wi...

Behavioral & LeadershipConflict & CollaborationInnovation & Simplification
5
0
45 people solved
Nov 17, 2025
Meta logo
Meta
Medium
Product Manager

Make Facebook's crisis Safety Check tool more valuable during disasters

You are a product manager at Meta working on Facebook's Safety Check. Safety Check is the feature used during events such as natural disasters, attack...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
7 people solved
Mar 7, 2025
Meta logo
Meta
Medium
Product Manager

Diagnose a rise-then-fall in Instagram Stories engagement that keeps falling in Spain

You are a product manager on Instagram Stories. In two markets, the US and Spain, the Stories engagement rate climbed by about 10% over a 7-day period...

Analytics & ExperimentationMetric DiagnosticsSegmentation & Cohort Analysis
0
0
3 people solved
Jul 27, 2024
Google logo
Google
Medium
Product Manager

Grocery Store Concept for a Crowded City Neighborhood: Users, Format and Metrics

You are asked to design a grocery store for a densely populated part of a city. Decide who the store serves, which problems city shoppers have with to...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
5 people solved
Mar 14, 2026
Capital One logo
Capital One
Medium
Data Scientist

Decide whether to partner with Groupon

Decision: Partner with Groupon (Restaurant Unit Economics) Context You are the restaurant owner evaluating a Groupon partnership. The offer structure ...

Behavioral & Leadership
5
0
58 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Data Scientist

Design Metrics to Track and Analyze Spam Impact

Design Metrics to Track and Analyze Spam Impact Scenario A messaging product team wants to reduce spam without harming normal user experience. You do ...

Analytics & Experimentation
9
0
76 people solved
Aug 4, 2025
Amazon logo
Amazon
Medium
Data Scientist

Compute CIs, power, and multiple testing

A/B Testing Stats: Confidence Intervals, Power, Multiple Testing, and Clustering Context: You are planning an A/B experiment on a Bernoulli outcome (c...

Statistics & Math
8
0
79 people solved
Oct 13, 2025
Dropbox logo
Dropbox
Medium
Data Scientist

Compute max island with constrained flips

Given an n×n binary grid G where 1=land and 0=water with 4-directional connectivity, return the size of the largest island achievable by flipping at m...

Coding & Algorithms
8
0
74 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Product Manager

Growing the Revenue Meta Earns from Facebook Stories

You are the product manager for Facebook Stories, the full-screen posts that people tap through and that disappear after 24 hours. Your goal is to mak...

Product Design & StrategyGrowth & MonetizationProduct Design & Improvement
0
0
4 people solved
Apr 28, 2024
BlackBerry logo
BlackBerry
Medium
Product Manager

Raise engagement or grow the user base of BlackBerry's BBM messaging app

You are a product manager on BBM, BlackBerry's messaging app. How would you improve it? The interviewer wants to hear what you would change either to ...

Product Design & StrategyProduct Design & ImprovementGrowth & Monetization
0
0
5 people solved
Dec 5, 2023
Meta logo
Meta
Medium
Product Manager

Defining Success Criteria and a Metric Scorecard for an Event

You are interviewing for a product manager role and are asked two connected questions: what makes an event successful, and how would you measure wheth...

Analytics & ExperimentationMetrics & KPIsUser Behavior & Funnels
0
0
9 people solved
Nov 10, 2024
Google logo
Google
Medium
Product Manager

Product Sense: Designing a Tool That Helps Remote Employees Get More Done at Home

You are a product manager. What would you build to help people who work from home be more productive? Decide whom you would build for, which problem y...

Product Design & StrategyProduct SenseMetrics & KPIs
0
0
4 people solved
Oct 24, 2024
Google logo
Google
Medium
Product Manager

Designing a patent system: choosing users, core workflows and success metrics

As a product manager, design a patent system: a product that helps people deal with patents. Decide what the system is for and whom it serves, choose ...

Product Design & StrategyProduct SenseMetrics & KPIs
1
0
11 people solved
Oct 24, 2025
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