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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
Zillow logo
Zillow
Medium
Product Manager

Improve Zillow's iBuying service that makes instant cash offers to home sellers

You are a product manager on Zillow Offers, Zillow's instant-offer (iBuying) service: a homeowner requests an offer online, Zillow makes a cash offer ...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
3 people solved
Jun 18, 2025
LightBox logo
LightBox
Medium
Product Manager

Behavioral Story: Proactively Building a Feature No Client Asked For

Tell me about a product or feature you built that the client had never asked for. Why did you decide to build it, and how did it turn out? `hint Start...

Behavioral & LeadershipOwnership & ExecutionUser Research & Discovery
0
0
5 people solved
Aug 19, 2024
Meta logo
Meta
Medium
Data Scientist Locked

Assess Demand for Group Video Chat

This question evaluates skills in product analytics, causal inference from observational data, demand estimation, survey design, and executive-level s...

Analytics & ExperimentationUser Research & DiscoveryProduct Strategy
8
0
87 people solved
Mar 14, 2026
eBay logo
eBay
Medium
Product Manager

Sequencing eBay Ads' Yearly Roadmap: Two Partner Integrations and One Platform Bet

You lead product for the advertising business at eBay. Three projects are proposed for 2021: two of them integrate eBay's ads business with external p...

Product / Decision MakingRoadmapping & PlanningPrioritization & Tradeoffs
0
0
7 people solved
May 1, 2025
Capital One logo
Capital One
Easy
Data Scientist

Derive E[X^2] from mgf e^{t^2}

Identify Distribution and Compute E[X^2] from an MGF You are given a random variable X with moment-generating function (mgf): - M_X(t) = E[e^{tX}] = e...

Statistics & Math
4
0
85 people solved
Oct 13, 2025
Google logo
Google
Medium
Data Scientist

Describe leading cross-functional research collaboration

Behavioral Prompt: STAR Example of Cross-Functional Collaboration Provide a STAR-formatted example from your resume or research where you collaborated...

Behavioral & Leadership
5
0
92 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Product Manager

Product Sense: Make Facebook's Job Listings Work Better for Seekers and Employers

You are a product manager at Meta working on Facebook Jobs, the part of Facebook where businesses post job openings and people browse and apply for th...

Product Design & StrategyProduct Design & Improvement
0
0
3 people solved
Aug 9, 2024
Google logo
Google
Medium
Product Manager

Estimate How Long Full Street View Coverage of One City Would Take

Choose any city you like. Estimate how long it would take to gather Google Street View imagery covering that entire city. Walk through your reasoning,...

Product / Decision MakingEstimation & Market Sizing
0
0
7 people solved
Jun 30, 2025
TikTok logo
TikTok
Hard
Data Scientist

Use DiD for staggered treatment adoption

Staggered DiD for a Weekly RPU Rollout (50 Regions, 2025-06-01 to 2025-08-15) Context and assumptions: - You have panel data at the region-week level ...

Statistics & Math
3
0
65 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Product Manager

Facebook prompts to prune your friend list: launch call and candidate selection

Facebook is considering a feature that would proactively suggest that a user unfriend certain people on their friend list. Should Facebook launch it? ...

Product Design & StrategyProduct SenseExperiment Design (A/B Testing)
0
0
5 people solved
May 2, 2024
Home Depot logo
Home Depot
Easy
Product Analyst

Decide whether to keep a negative-margin promotion

A retail team is running a Mulch promotion. The promotion currently has a negative unit margin (i.e., discounted price is below unit cost), so on the ...

Analytics & Experimentation
5
0
59 people solved
Feb 14, 2026
Google logo
Google
Medium
Product Manager

Designing Better Content Sharing for an Online Tutoring Platform

You are the product manager for an online tutoring platform. It already covers the basics, such as video and audio calls between tutors and their stud...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
5 people solved
Jun 1, 2025
OpenText logo
OpenText
Medium
Product Manager

Product Design for a Subscription Service Built Around Printed Books

Design an app that lets people subscribe to physical, printed books rather than e-books or audiobooks. Explain who it is for, what it does, and how yo...

Product Design & StrategyProduct Sense
0
0
6 people solved
Jun 25, 2024
Capital One logo
Capital One
Hard
Data Scientist

Prevent data registration outage and reduce loss

Preventing Silent Failures in the Premium Registration Pipeline Context A premium registration pipeline silently failed for three months, causing thou...

Behavioral & Leadership
6
0
80 people solved
Oct 13, 2025
Meta logo
Meta
Medium
Product Manager

Measuring Instagram's Context-Aware Search: North Star, Funnel and Guardrails

You are the PM for contextual search on Instagram. What metrics would you use to tell whether it is working? `hint Define the context first Decide wha...

Analytics & ExperimentationMetrics & KPIs
0
0
5 people solved
Oct 26, 2024
Meta logo
Meta
Medium
Product Manager

Strategic Rationale Behind Meta's Portal Home Video-Calling Device

Meta, back when it was still called Facebook, launched Portal: a family of home devices with a screen and a camera, built mainly for video calls. Why ...

Product Design & StrategyProduct StrategyMarket & Competitive Analysis
0
0
4 people solved
Dec 18, 2024
Meta logo
Meta
Medium
Product Manager

Facebook Buy-and-Sell Launch: Mission, Goal, Metrics, and Prioritizing a Feed Item Unit

Suppose Facebook has no marketplace product of any kind, and you are the product manager asked to build one: a place where people on Facebook can buy ...

Analytics & ExperimentationMetrics & KPIsPrioritization & Tradeoffs
0
0
3 people solved
Aug 17, 2024
Google logo
Google
Medium
Product Manager

Go-to-market plan for a fitness device whose selling point is social features

You are the product manager responsible for launching a fitness device that is built to be social. Describe how you would take it to market: what the ...

Product Design & StrategyRequirements & Launch ExecutionGrowth & Monetization
0
0
5 people solved
Nov 9, 2023
Meta logo
Meta
Medium
Product Manager

Defining Revenue Objectives and Guardrail Metrics for Instagram Reels

You own Instagram Reels as its product manager. Set out the monetization goals you would give the product and how you would track progress against the...

Analytics & ExperimentationMetrics & KPIsGrowth & Monetization
0
0
5 people solved
Oct 7, 2024
Meta logo
Meta
Medium
Product Manager

Handling a CEO request to upgrade every photo and video on Meta's apps to high resolution

Meta's CEO wants every photo and video that people upload to be up-converted into a high-resolution version. You are the product manager who receives ...

Product / Decision MakingTechnical Tradeoffs for PMsCommunication & Stakeholders
0
0
2 people solved
Apr 20, 2024
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