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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
Meta logo
Meta
Hard
Data Scientist

Determine User Demand for New Video-Calling Feature

Determine User Demand for New Video-Calling Feature Analytics Design: Demand Sizing, Evaluation Metrics, and Trade-offs for a New Video-Calling Featur...

Analytics & Experimentation
5
0
45 people solved
Aug 4, 2025
Invoice Simple logo
Invoice Simple
Medium
Product Manager

Survey Short of Its Response Target: Sample Size, Nonresponse Bias and Recovery Tactics

You are running a survey of your product's users, and far fewer people are responding than you planned for. How do you handle it? `hint Ask "enough fo...

Analytics & ExperimentationUser Research & DiscoverySampling & Estimation
0
0
2 people solved
Jun 7, 2025
Meta logo
Meta
Medium
Data Scientist

Employ Collaborative Filtering for Personalized Recommendation Lists

Collaborative Filtering and Ranking for Personalized Recommendation Lists You are releasing a new recommendation feature that must generate personaliz...

Machine Learning
42
0
145 people solved
Jul 12, 2025
Microsoft logo
Microsoft
Hard
Product Manager

Enterprise Process Management Tool Design

Enterprise Business-Process Management Tool Design You are a Product Manager designing an end-to-end Business Process Management platform for large en...

Product / Decision Making
13
0
85 people solved
Jul 4, 2025
Meta logo
Meta
Medium
Data Scientist Locked

Identify Potential Users for Instagram Shopping Tab Adoption

Evaluates how to identify likely adopters of an Instagram Shopping tab and measure whether the feature creates incremental commerce value. Strong answ...

Analytics & Experimentation
36
0
118 people solved
Jul 12, 2025
Amazon logo
Amazon
Medium
Software Engineer

Explain deadlines, going beyond, and persuasion

Explain deadlines, going beyond, and persuasion Behavioral Prompt: Delivery Under Pressure, Exceeding Expectations, and Influencing Stakeholders Conte...

Behavioral & Leadership
7
0
49 people solved
Jul 16, 2025
Meta logo
Meta
Medium
Data Scientist

Compare Instagram and Facebook Stories Using Key Performance Metrics

Compare Instagram and Facebook Stories Using Key Performance Metrics Scenario You are a data scientist tasked with quantitatively comparing the succes...

Analytics & Experimentation
2
0
54 people solved
Aug 4, 2025
Google logo
Google
Medium
Product Manager

Estimate Annual Data Traffic for a Top-Ranked Global Mobile Chat App

Suppose you set out to build the mobile messaging app that becomes the most used in the world. Estimate how much network bandwidth the app would consu...

Product / Decision MakingEstimation & Market Sizing
0
0
5 people solved
Aug 31, 2024
Google logo
Google
Medium
Product Manager

Pick an App and a Data Plan for a New Google Device That Senses the Body

Suppose Google has just developed a new device that can sense information from the human body. As the product manager, decide what application you wou...

Product Design & StrategyProduct SensePrivacy & Compliance
0
0
4 people solved
Jul 11, 2024
Meta logo
Meta
Hard
Data Scientist Locked

Measure whether posts strengthen friendships

Measure whether posts strengthen friendships evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and rec...

Analytics & Experimentation
2
0
32 people solved
Jul 28, 2025
PayPal logo
PayPal
Medium
Data Scientist

Explain Challenging Project and Decision-Making Process

Explain Challenging Project and Decision-Making Process Behavioral Deep Dive: Most Challenging Project Context Technical/phone screen for a Data Scien...

Behavioral & Leadership
7
0
74 people solved
Aug 4, 2025
LinkedIn logo
LinkedIn
Medium
Product Manager

Metrics Framework for LinkedIn Jobs: North Star, Two-Sided Funnel and Guardrails

LinkedIn Jobs is the part of LinkedIn where employers and recruiters post openings and members search for, save and apply to them. As the product mana...

Analytics & ExperimentationMetrics & KPIsUser Behavior & Funnels
0
0
4 people solved
Oct 22, 2024
Amazon logo
Amazon
Medium
Product Manager

Rallying a Team Behind a Goal You Believed Was Out of Reach

Describe a goal or mission you were handed that you did not believe your team could reach. Explain what the goal was, what you did to help the team pu...

Behavioral & LeadershipLeadership & InfluenceOwnership & Execution
0
0
4 people solved
Jun 20, 2025
Meta logo
Meta
Medium
Data Scientist

Determine Product Buyer Count and Interaction Percentage

interactions +-----------+----------+------------+----+------------+ | seller_id | buyer_id | product_id | li | create_date| +-----------+----------+-...

Data Manipulation (SQL/Python)
16
0
54 people solved
Jul 12, 2025
Google logo
Google
Medium
Product Manager

Android OS product strategy for longer battery life and healthier batteries

You are the product manager for the Android operating system. How would you approach battery optimization? Explain which problems you would focus on, ...

Product Design & StrategyProduct Design & ImprovementMetrics & KPIs
0
0
6 people solved
Jul 2, 2025
LinkedIn logo
LinkedIn
Medium
Data Scientist

Measure Success of New B2B Product

Measuring Success of a New LinkedIn B2B Product A new LinkedIn B2B product has launched. Leadership wants to understand whether it adds value and what...

Analytics & Experimentation
91
0
251 people solved
Jul 12, 2025
Google logo
Google
Medium
Product Manager

Root-Cause and Fix a Fourfold Peak-Hour Customer Surge at a Gas Station

You own a gas station. Over a short period, the number of customers at peak times has jumped to roughly four times its usual level. How would you inve...

Analytics & ExperimentationMetric DiagnosticsOperations & Capacity
0
0
3 people solved
Jul 26, 2025
Uber logo
Uber
Medium
Data Scientist

Evaluate Email Subject Line Performance Using Hypotheses

Email Subject Line A/B Test: Hypotheses, CLT, and Sample Size An email marketing team wants to evaluate whether a new subject line improves click-thro...

Statistics & Math
19
0
94 people solved
Jul 12, 2025
Meta logo
Meta
Hard
Data Scientist

Choose Randomization Unit and Mitigate Network Effects

Choose Randomization Unit and Mitigate Network Effects A/B Test Design for a New Messenger Feature with Network Effects Context You are designing an A...

Statistics & Math
7
0
62 people solved
Aug 4, 2025
Google logo
Google
Medium
Product Manager

Designing a Kids' Wake-Up Product for a Century From Now

You are a product manager at Google. Design an alarm clock for children who will be growing up 100 years from now: decide which children and families ...

Product Design & StrategyProduct Sense
0
0
3 people solved
Jul 6, 2025
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