Interview Questions

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Asked at Adobe • 6 months ago
You're a PM for Gmail. Design a three-year product roadmap.
Product Manager
Product Strategy
Add answer I was asked this
Product Manager
Product Strategy
Asked at Uber • 6 months ago
Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.
Machine Learning Engineer
Data Structures & Algorithms
+1 more
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Machine Learning Engineer
Data Structures & Algorithms
+1 more
Asked at Meta (Facebook) • 6 months ago
Find the equilibrium index in an array where sum of elements to the left is equal to sum of elements to the right.
Software Engineer
Data Structures & Algorithms
+1 more
1 answer I was asked this
"find total sum. assign that to rightsum traverse from left to right: keep updating left sum and right sum, when they match return the index. else if you reach end return -1 or not found"
Rahul J. - "find total sum. assign that to rightsum traverse from left to right: keep updating left sum and right sum, when they match return the index. else if you reach end return -1 or not found"See full answer
Software Engineer
Data Structures & Algorithms
+1 more
Asked at Meta (Facebook) • 5 months ago
Implement the power function without using pow method or or exponentiation operator.
Software Engineer
Data Structures & Algorithms
+1 more
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Software Engineer
Data Structures & Algorithms
+1 more
Asked at Meta (Facebook) • 6 months ago
Given an array of integers, find the next greater integer for each element in the array.
Software Engineer
Data Structures & Algorithms
+1 more
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Software Engineer
Data Structures & Algorithms
+1 more

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Asked at Meta (Facebook) • 6 months ago
Design a 5:1 audio system for WhatsApp, Instagram, and Messenger, including hardware interfaces, codecs, API endpoints, and the value proposition for Meta.
Software Engineer
System Design
Add answer I was asked this
Software Engineer
System Design
Asked at Google • 5 months ago
Given a list of car rental requests with start and end times, assign cars to rentals such that the total number of cars used is minimized.
Software Engineer
Data Structures & Algorithms
+1 more
2 answers I was asked this
"I would assume that this is similar to an intervals question. Meeting Rooms II (https://www.lintcode.com/problem/919/?fromId=203&_from=collection) on Leetcode seems like the closest comparison, it's a premium question so I linked Lintcode. I'm assuming that we also need to just return the minimum number of cars used. You need to sort for the most optimal solution, so you're constrained by an O(nlogn) time complexity. So any sorting solution could work (using a heap, sorting the array input arra"
Sohum S. - "I would assume that this is similar to an intervals question. Meeting Rooms II (https://www.lintcode.com/problem/919/?fromId=203&_from=collection) on Leetcode seems like the closest comparison, it's a premium question so I linked Lintcode. I'm assuming that we also need to just return the minimum number of cars used. You need to sort for the most optimal solution, so you're constrained by an O(nlogn) time complexity. So any sorting solution could work (using a heap, sorting the array input arra"See full answer
Software Engineer
Data Structures & Algorithms
+1 more
Asked at Google • 6 months ago
Design a system to map IP address ranges to geographic region labels.
Software Engineer
System Design
1 answer I was asked this
"Do any one know how to build trie using IP address?"
Graig - "Do any one know how to build trie using IP address?"See full answer
Software Engineer
System Design
Asked at Amazon • 6 months ago
Tell me about a time when you made a poor decision, and learned from it to make a better decision after.
Technical Program Manager
Behavioral
Add answer I was asked this
Technical Program Manager
Behavioral
Asked at Amazon • 6 months ago
Tell me about a time when you refused to compromise on standards around quality or customer service etc.
Technical Program Manager
Behavioral
Add answer I was asked this
Technical Program Manager
Behavioral
Asked at PayPal • 6 months ago
Given a castle with rooms named after flowers where each room has an instruction to the next room, write an algorithm to find the rooms containing treasure.
Software Engineer
Data Structures & Algorithms
+1 more
1 answer I was asked this
"/* You are with your friends in a castle, where there are multiple rooms named after flowers. Some of the rooms contain treasures - we call them the treasure rooms. Each room contains a single instruction that tells you which room to go to next. * instructions1 and treasurerooms_1 * lily* --------- daisy sunflower | | | v v v jasmin --> tulip* violet* ----> rose* --> ^ | ^ ^ | "
Azeezat R. - "/* You are with your friends in a castle, where there are multiple rooms named after flowers. Some of the rooms contain treasures - we call them the treasure rooms. Each room contains a single instruction that tells you which room to go to next. * instructions1 and treasurerooms_1 * lily* --------- daisy sunflower | | | v v v jasmin --> tulip* violet* ----> rose* --> ^ | ^ ^ | "See full answer
Software Engineer
Data Structures & Algorithms
+1 more
Asked at Adobe • 6 months ago
You're a growth PM for Chrome Browser. Design a 3-year strategy for the browser.
Product Manager
Product Strategy
Add answer I was asked this
Product Manager
Product Strategy
Asked at Goldman Sachs • 6 months ago
Given the row and column, return the value at that position in Pascal's triangle.
Software Engineer
Data Structures & Algorithms
+1 more
1 answer I was asked this
"I solved it using recursion and then memoization. Used Dynamic programming approach"
Ravi teja N. - "I solved it using recursion and then memoization. Used Dynamic programming approach"See full answer
Software Engineer
Data Structures & Algorithms
+1 more
Asked at Google • 6 months ago
Tell me about a time when your solution was criticized for being something that has been tried before and failed. How did you manage this?
Product Manager
Behavioral
Add answer I was asked this
Product Manager
Behavioral
Asked at Google • 6 months ago
Define your ideal workplace and colleagues.
Product Manager
Behavioral
Add answer I was asked this
Product Manager
Behavioral
Asked at Google • 6 months ago
If you discovered a colleague's actions were unethical, how would you handle it?
Product Manager
Behavioral
Add answer I was asked this
Product Manager
Behavioral
Asked at Google • 6 months ago
A cross-functional team which your feature delivery is dependent on is not working at the expected pace. How would you handle this?
Product Manager
Behavioral
1 answer I was asked this
"A daily 10 minute cadence to make a note of the progress and the deliverables for the day, should help ascertain the delivery and to meet schedule the self performing teams need to be on toes to deliver. Time lines need to be revisited end of each day to evalute the impact."
Nilesh S. - "A daily 10 minute cadence to make a note of the progress and the deliverables for the day, should help ascertain the delivery and to meet schedule the self performing teams need to be on toes to deliver. Time lines need to be revisited end of each day to evalute the impact."See full answer
Product Manager
Behavioral
Asked at Mastercard • 6 months ago
You're a PM at an elevator construction company. Design an elevator for a client.
Product Manager
Product Design
Add answer I was asked this
Product Manager
Product Design
Asked at Amazon • 6 months ago
Describe to me what your typical day would be like in Amazon as a Technical Program Manager.
Technical Program Manager
Behavioral
3 answers I was asked this
"As a Technical Program Manager at Amazon, I typically coordinate cross-functional teams to drive technical project execution, ensuring timelines and deliverables align with business goals. My day involves managing stakeholders, resolving blockers, and continuously optimizing processes for scale."
Bajrangi C. - "As a Technical Program Manager at Amazon, I typically coordinate cross-functional teams to drive technical project execution, ensuring timelines and deliverables align with business goals. My day involves managing stakeholders, resolving blockers, and continuously optimizing processes for scale."See full answer
Technical Program Manager
Behavioral
Asked at Amazon • 6 months ago
How would you scale the design of a messaging system that only involves emojis for users in Europe and US? How would you identify the origin of traffic?
Technical Program Manager
System Design
1 answer I was asked this
"The DNS server of the site URL can identify the source of the traffic via GeoIP and redirect it to the Amazon services closest to that location. The load balancer, installed before the web server, can manage the load and redirect traffic to redundant services."
Beth S. - "The DNS server of the site URL can identify the source of the traffic via GeoIP and redirect it to the Amazon services closest to that location. The load balancer, installed before the web server, can manage the load and redirect traffic to redundant services."See full answer
Technical Program Manager
System Design

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Interview Questions

You're a PM for Gmail. Design a three-year product roadmap.

Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.

Find the equilibrium index in an array where sum of elements to the left is equal to sum of elements to the right.

Implement the power function without using pow method or or exponentiation operator.

Given an array of integers, find the next greater integer for each element in the array.

Design a 5:1 audio system for WhatsApp, Instagram, and Messenger, including hardware interfaces, codecs, API endpoints, and the value proposition for Meta.

Given a list of car rental requests with start and end times, assign cars to rentals such that the total number of cars used is minimized.

Design a system to map IP address ranges to geographic region labels.

Tell me about a time when you made a poor decision, and learned from it to make a better decision after.

Tell me about a time when you refused to compromise on standards around quality or customer service etc.

Given a castle with rooms named after flowers where each room has an instruction to the next room, write an algorithm to find the rooms containing treasure.

You're a growth PM for Chrome Browser. Design a 3-year strategy for the browser.

Given the row and column, return the value at that position in Pascal's triangle.

Tell me about a time when your solution was criticized for being something that has been tried before and failed. How did you manage this?

Define your ideal workplace and colleagues.

If you discovered a colleague's actions were unethical, how would you handle it?

A cross-functional team which your feature delivery is dependent on is not working at the expected pace. How would you handle this?

You're a PM at an elevator construction company. Design an elevator for a client.

Describe to me what your typical day would be like in Amazon as a Technical Program Manager.

How would you scale the design of a messaging system that only involves emojis for users in Europe and US? How would you identify the origin of traffic?

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