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Facebook Interview Questions and Answers

Updated 29 Jun 2025
Popular Designations

66 Interview questions

A Software Developer was asked
Q. 

Merge Intervals Problem Statement

You are provided with 'N' intervals, each containing two integers denoting the start time and end time of the interval.

Your task is to merge all overlapping intervals an...

Ans. 

Merge overlapping intervals and return sorted list of merged intervals.

  • Sort the intervals based on start times.

  • Iterate through intervals and merge overlapping intervals.

  • Return the merged intervals in sorted order.

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A Software Developer was asked
Q. 

Path Counting in Directed Graph

Given a directed graph with a specified number of vertices V and edges E, your task is to calculate the total number of distinct paths from a given source node S to all oth...

Ans. 

Calculate the total number of distinct paths from a given source node to all other nodes in a directed graph.

  • Use dynamic programming to keep track of the number of paths from the source node to each node in the graph.

  • Consider using modular arithmetic to handle large numbers and prevent overflow.

  • Start by initializing the number of paths from the source node to itself as 1.

  • Iterate through the edges of the graph and ...

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A Software Developer was asked
Q. 

Longest Increasing Subsequence Problem Statement

Given an array of integers with 'N' elements, determine the length of the longest subsequence where each element is greater than the previous element. This ...

Ans. 

Find the length of the longest strictly increasing subsequence in an array of integers.

  • Use dynamic programming to solve this problem efficiently.

  • Initialize an array to store the length of the longest increasing subsequence ending at each index.

  • Iterate through the array and update the length of the longest increasing subsequence for each element.

  • Return the maximum value in the array as the result.

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A Software Developer was asked
Q. 

Course Schedule II Problem Statement

You are provided with a number of courses 'N', some of which have prerequisites. There is a matrix named 'PREREQUISITES' of size 'M' x 2. This matrix indicates that for...

Ans. 

Given courses with prerequisites, determine a valid order to complete all courses.

  • Use topological sorting to find a valid order of courses.

  • Create a graph with courses as nodes and prerequisites as edges.

  • Start with courses that have no prerequisites and remove them from the graph.

  • Continue this process until all courses are taken or there are no valid courses left.

  • If there is a cycle in the graph, it is impossible t...

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A Software Developer was asked
Q. 

Longest Route Problem Statement

Given a 2-dimensional binary matrix called Mat of size N x M that consists solely of 0s and 1s, find the length of the longest path from a specified source cell to a destinat...

Ans. 

Find the length of the longest path from a source cell to a destination cell in a binary matrix.

  • Use depth-first search (DFS) to explore all possible paths from source to destination.

  • Keep track of visited cells to avoid revisiting them.

  • Return the length of the longest path found, or -1 if no path exists.

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A Software Developer was asked
Q. 

K Closest Points to Origin Problem Statement

Your house is located at the origin (0,0) of a 2-D plane. There are N neighbors living at different points on the plane. Your goal is to visit exactly K neighbo...

Ans. 

Find the K closest points to the origin in a 2-D plane using Euclidean Distance.

  • Calculate the Euclidean Distance of each point from the origin

  • Sort the points based on their distances

  • Return the first K points as the closest neighbors

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A Software Developer was asked
Q. 

Power Set Generation

Given a sorted array of 'N' integers, your task is to generate the power set for this array. Each subset of this power set should be individually sorted.

A power set of a set 'ARR' is...

Ans. 

Generate the power set of a sorted array of integers with individually sorted subsets.

  • Use recursion to generate all possible subsets by including or excluding each element in the array.

  • Sort each subset before adding it to the power set.

  • Handle base cases for empty array and single element array.

  • Ensure the subsets are unique by using a set data structure.

  • Time complexity can be exponential due to the nature of genera...

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Are these interview questions helpful?
A Software Developer was asked
Q. 

Remove Duplicates from Sorted Array Problem Statement

You are given a sorted integer array ARR of size N. Your task is to remove the duplicates in such a way that each element appears only once. The output...

Ans. 

Remove duplicates from a sorted array in-place with O(1) extra memory.

  • Use two pointers - one for iterating through the array and another for placing unique elements.

  • Compare current element with next element to identify duplicates and skip them.

  • Update array in-place by moving unique elements to the front.

  • Return the length of the array after removal of duplicates.

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A Software Developer was asked
Q. 

Roman Numeral to Integer Conversion

Convert a string representing a Roman numeral into its integer equivalent and return the result.

Explanation:

Roman numerals are represented by seven different symbols...

Ans. 

Convert a Roman numeral string to its integer equivalent.

  • Create a mapping of Roman numeral symbols to their integer values.

  • Iterate through the input string and add the corresponding integer values.

  • Handle cases where subtraction is needed (e.g., IV = 4, IX = 9).

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A Software Developer was asked
Q. What is Hadoop and why is it used?
Ans. 

Hadoop is a framework for distributed storage and processing of large data sets.

  • Hadoop is used for storing and processing big data across a distributed network of computers.

  • It is based on the MapReduce programming model, which allows for parallel processing of data.

  • Hadoop consists of HDFS for storage and YARN for resource management.

  • It is used for tasks like data warehousing, log processing, recommendation systems...

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Facebook Interview Experiences

55 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected
  • Q1. How can we handle great task of Pandemic situation?
  • Ans. 

    Effective social media strategies can help manage communication and engagement during a pandemic situation.

    • Increase transparency: Share regular updates about the situation and your organization's response, like how companies like Zoom communicated their service updates.

    • Engage with the community: Use social media to foster a sense of community, as seen with brands hosting virtual events or challenges.

    • Provide valuable co...

  • Answered by AI
  • Q2. How much persons were died during Pandemic period?
  • Q3. What kind of action taken by the Nation during Pandemic period?
  • Ans. 

    Nations implemented various actions during the pandemic, focusing on public health, economic support, and social measures.

    • Lockdowns and stay-at-home orders to curb virus spread.

    • Increased funding for healthcare systems and vaccine development.

    • Public health campaigns promoting hygiene and social distancing.

    • Economic stimulus packages to support businesses and individuals.

    • Remote work policies and digital transformation in ...

  • Answered by AI
  • Q4. After how many years a Pandemic arise?
  • Q5. Which nation is responsible for SARS COVID-19 PANDEMIC situation?
  • Q6. What kind of action was undertaken during full hospitalization cases during Pandemic cases?

Interview Preparation Tips

Interview preparation tips for other job seekers - Home was used during full hospitalization of patients, work from home was prescribed when situation was horrible, so that employees can work freely without any objections, this made the situation not horrible, sanitizers were used in homes after their personal activities like transportation, free movement of persons was made by using mask system, masks were used widely during shopping, daily activities and important activities of work. This made the activities of trade, commerce and industry, employment to be running on smoothly without any objection and economic issues were on the right track. transparency in administration policies.

Interview Questions & Answers

user image Anonymous

posted on 26 Jun 2025

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I appeared for an interview in Dec 2024, where I was asked the following questions.

  • Q1. What do you want to become after your studies ?
  • Ans. 

    I aspire to become a leading social media strategist, creating impactful content that engages audiences and drives brand growth.

    • Develop expertise in social media analytics to measure campaign success.

    • Create compelling content that resonates with target audiences, like viral posts or engaging videos.

    • Stay updated on industry trends to implement innovative strategies, such as using emerging platforms.

    • Build a personal bran...

  • Answered by AI
  • Q2. What is your role in real life?
  • Ans. 

    As a Social Media Manager and Content Writer, I create engaging content and manage online presence to connect with audiences effectively.

    • Develop and implement social media strategies to enhance brand visibility.

    • Create compelling content for various platforms, such as blogs, Instagram, and Twitter.

    • Analyze engagement metrics to refine content and improve audience interaction.

    • Collaborate with designers and marketers to en...

  • Answered by AI
  • Q3. What kind of fatalities you can face after an earthquake or unforeseen event and how you can overcome them?
  • Ans. 

    Earthquakes can lead to fatalities from injuries, building collapses, and lack of resources; preparedness and response are key.

    • Injuries from falling debris: Ensure buildings are structurally sound and conduct regular safety drills.

    • Building collapses: Advocate for strict building codes and retrofitting older structures.

    • Lack of medical resources: Establish emergency response plans and stockpile essential supplies.

    • Psychol...

  • Answered by AI
  • Q4. Is war a solution to humanity ?
  • Ans. 

    War often leads to destruction and suffering, rarely providing lasting solutions for humanity's challenges.

    • War can result in significant loss of life and trauma, as seen in World War II.

    • Historical conflicts, like the Vietnam War, often lead to long-term societal divisions.

    • While some argue war can lead to political change, such as the American Revolution, the costs are immense.

    • Peaceful resolutions and diplomacy have pro...

  • Answered by AI
  • Q5. How can you deal with real life issues after war?
  • Ans. 

    Addressing real-life issues post-war requires empathy, community engagement, and effective communication strategies.

    • 1. Foster open dialogue: Create platforms for affected individuals to share their experiences, such as community forums or social media groups.

    • 2. Provide mental health support: Collaborate with mental health professionals to offer counseling services for trauma recovery.

    • 3. Highlight success stories: Share...

  • Answered by AI
  • Q6. What are the problems arise after war?
  • Ans. 

    Wars lead to numerous societal, economic, and psychological challenges that persist long after the conflict ends.

    • Displacement of populations: Millions may become refugees, as seen in the Syrian civil war.

    • Economic instability: War can devastate economies, leading to unemployment and poverty, like in post-war Iraq.

    • Psychological trauma: Many veterans and civilians suffer from PTSD, affecting mental health services.

    • Destruc...

  • Answered by AI
  • Q7. How can we face Natural disasters?
  • Ans. 

    Facing natural disasters requires preparedness, community support, and effective communication strategies to minimize impact and ensure safety.

    • Develop an emergency plan that includes evacuation routes and communication methods.

    • Create a disaster supply kit with essentials like water, food, and first aid supplies.

    • Engage in community drills to practice response to various disasters, such as earthquakes or floods.

    • Utilize s...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Frequently check the past data of civil servants and their way of replying to such questionnaire in appointments of a civil servant in jobs.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What you have technical improvement in codes?
  • Ans. 

    I have implemented various technical improvements in codes to enhance performance and functionality.

    • Implemented caching mechanisms to reduce load times

    • Optimized database queries for faster retrieval of data

    • Introduced error handling techniques to improve code reliability

    • Utilized design patterns to make the codebase more maintainable

    • Refactored legacy code to adhere to best practices

  • Answered by AI
  • Q2. What is your excitment about fresh job?

Interview Preparation Tips

Interview preparation tips for other job seekers - every time doing work well
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Why you want to join facebook?
  • Ans. 

    I want to join Facebook because of its innovative technology, global impact, and opportunities for growth.

    • Innovative technology: Facebook is known for its cutting-edge technology and constant innovation.

    • Global impact: Working at Facebook would allow me to contribute to a platform that connects billions of people worldwide.

    • Opportunities for growth: Facebook offers a dynamic and fast-paced work environment with ample opp...

  • Answered by AI
  • Q2. Whats the best feature you like in Facebook?
  • Ans. 

    I appreciate the personalized news feed feature on Facebook.

    • Personalized news feed shows content based on user interests

    • Helps users stay updated on relevant information

    • Allows users to engage with content they are interested in

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via AmbitionBox and was interviewed before Oct 2023. There were 8 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is your technical don't comparison anybody anything because in the and their five fingers of different sizes of different shape and different quality whatever you want you take and utilise yourself th...
  • Q2. Do you know technical of technology yes. Ham diploma in electrical and mechanical diploma in acupuncture and Varma
Round 2 - Technical 

(2 Questions)

  • Q1. From technical as different category of different types what I know I submit AC fridge washing machine in water or water purified water heater all kind of home appliances need for everyone that I do very w...
  • Q2. For teaching of yoga and meditation for spirituality for everyone have body mind and soul without be cannot live in this earth so very well for body for development flexibility immunity and flexibility tha...
Round 3 - Technical 

(2 Questions)

  • Q1. How do you know about body.. a body as three layers physical body metaphysical body and circuit body and from 3 NH systems biopotential energy boamagnetic energy bio kinetic energy and et cetera
  • Q2. Tell me the more details of body... Yes the body have from the spinal cord 33 disc and 7 chakras with invisible it is working we called non material science like soul mind and more 72000 systems parade we ...
Round 4 - Technical 

(2 Questions)

  • Q1. What do you know mind.... Ye mind like a mirror whatever we've in this character to applying the face of exposing like my mirror remind physical mind super conscious mind subconscious mind and conscious mi...
  • Q2. What could you like to teach for each everyone.... For teaching of yoga and meditation for spirituality for a body in around outer condition change in development of next generation human being...
  • Ans. 

    I would like to teach a holistic approach to yoga and meditation that focuses on spiritual growth, physical well-being, and personal development for the next generation.

    • Incorporate mindfulness practices to cultivate self-awareness and inner peace

    • Teach asanas (yoga postures) for physical strength, flexibility, and balance

    • Guide students in pranayama (breath control) techniques for energy and relaxation

    • Introduce meditatio...

  • Answered by AI
Round 5 - Technical 

(2 Questions)

  • Q1. Where are any other companies for office work in Burma Glory flight containing limited from production planning control department from PPC
  • Q2. What is your life what are doing.... Your life is very beautiful of very fastest in this world. It is attached for body and mind live your life of soul
Round 6 - Group Discussion 

Whatever we know we have to discuss for each and every one to analyse the elements has different of quality of different of uses like that as I am a sky

Round 7 - Group Discussion 

Every person has come different places of different situation different area of different educations and different relationships so discussion of group is each and everyone to develop in self

Round 8 - HR 

(2 Questions)

  • Q1. It's highly qualified for HR department even they also do some mistakes but with weird to co-ordinate for knowledge of friendly relationship
  • Q2. There is a meaning question there is answer many answer there is a no question from this world from this world as a different type of person of different knowledge if it is for thank you

Interview Preparation Tips

Interview preparation tips for other job seekers - The human has research and development for teaching of yoga meditation for spirituality for a body and mind in a outer condition changing a new development of a next generation for a SOL development is must from this world for material things and earning money that and all not a life is spiritual life as to be done to combined to utilise of basic level to higher level
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.

Round 1 - Coding Test 

Write program to sort data

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

DSA round was there it was good

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - One-on-one 

(5 Questions)

  • Q1. About working skills
  • Q2. Content creator
  • Q3. Work experience
  • Q4. Where do you work from
  • Q5. Expected salary

Interview Preparation Tips

Interview preparation tips for other job seekers - successfully start your goals
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - Case Study 

All models should be made available or their complete information should be given in fresher training.

Round 2 - Technical 

(2 Questions)

  • Q1. Social media marketing
  • Ans. Yes I have worked for a few months
  • Answered by Kajal
  • Q2. I don't have any questions, just get my work done.

Interview Preparation Tips

Topics to prepare for Facebook Software Development Engineer interview:
  • Social Media Marketing
  • Network marketing
Interview preparation tips for other job seekers - Facebook
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Tell me about yourself

Top trending discussions

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Salary Discussions, Hike & Promotions
2w
a senior executive
GF salary Vs. My salary
Me and my gf have been dating for 5 years. Back in 2020, I started my career with a package of ₹5 LPA. Over the years, I’ve reached ₹22 LPA in 2025. She started her journey with ₹3 LPA(2020) and is now earning ₹8 LPA(2025). We’ve been in a live-in relationship for around 2 years, and the idea was to share expenses equally. But, equal sharing never really happened. If we go to a café she likes, especially with friends, I will pay the entire bill. We only split the house rent and grocery bills. I told her lots of time to cut down these costly cafe expenses or earn more money, increase your package, study and work hard, but.....she is now in her comfort zone. Being from a tech background, I have seen people upgrade their skills and package for a good life in metro cities. I am ready to support her in her studies, but she is like I am earning enough for myself.... No, you are not. I love her, but I don't know how to overcome this issue between us. Please suggest!
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Ask anonymously on communities.

Facebook Interview FAQs

How many rounds are there in Facebook interview?
Facebook interview process usually has 2-3 rounds. The most common rounds in the Facebook interview process are Technical, Coding Test and HR.
How to prepare for Facebook interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Facebook. The most common topics and skills that interviewers at Facebook expect are Basic, Python, Management, Social Work and Digital Marketing.
What are the top questions asked in Facebook interview?

Some of the top questions asked at the Facebook interview -

  1. Given an “id” and a function getFriends(id) to get the list of friends of t...read more
  2. Given a hashmap M which is a mapping of characters to arrays of substitute char...read more
  3. Given a list of integer numbers, a list of symbols [+,-,*,/] and a target numbe...read more
How long is the Facebook interview process?

The duration of Facebook interview process can vary, but typically it takes about 2-4 weeks to complete.

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Overall Interview Experience Rating

4.5/5

based on 39 interview experiences

Difficulty level

Easy 24%
Moderate 53%
Hard 24%

Duration

Less than 2 weeks 47%
2-4 weeks 29%
6-8 weeks 12%
More than 8 weeks 12%
View more

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Facebook Reviews and Ratings

based on 168 reviews

4.3/5

Rating in categories

4.2

Skill development

4.3

Work-life balance

4.5

Salary

4.0

Job security

4.3

Company culture

4.1

Promotions

4.2

Work satisfaction

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Software Engineer, Product

Bangalore / Bengaluru

2-6 Yrs

Not Disclosed

Software Engineer, Product

Bangalore / Bengaluru

2-6 Yrs

Not Disclosed

Software Engineering Manager

Bangalore / Bengaluru

4-9 Yrs

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