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Updated 11 Mar 2025

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Sdet Interview Questions & Answers

user image Anonymous

posted on 8 Jun 2015

Interview Questionnaire 

12 Questions

  • Q1. Efficiently implement 3 stacks in a single array
  • Ans. 

    Implement 3 stacks in a single array efficiently

    • Divide the array into 3 equal parts

    • Use pointers to keep track of top of each stack

    • Implement push and pop operations for each stack

    • Handle stack overflow and underflow cases

  • Answered by AI
  • Q2. Given an array of integers which is circularly sorted, how do you find a given integer
  • Ans. 

    To find a given integer in a circularly sorted array of integers, use binary search with slight modifications.

    • Find the middle element of the array.

    • If the middle element is the target, return its index.

    • If the left half of the array is sorted and the target is within that range, search the left half.

    • If the right half of the array is sorted and the target is within that range, search the right half.

    • If the left half is not...

  • Answered by AI
  • Q3. Write a program to find depth of binary search tree without using recursion
  • Ans. 

    Program to find depth of binary search tree without recursion

    • Use a stack to keep track of nodes and their depths

    • Iteratively traverse the tree and update the maximum depth

    • Return the maximum depth once traversal is complete

  • Answered by AI
  • Q4. Find the maximum rectangle (in terms of area) under a histogram in linear time
  • Ans. 

    Find the maximum rectangle (in terms of area) under a histogram in linear time

    • Use a stack to keep track of the bars in the histogram

    • For each bar, calculate the area of the rectangle it can form

    • Pop the bars from the stack until a smaller bar is encountered

    • Keep track of the maximum area seen so far

    • Return the maximum area

  • Answered by AI
  • Q5. Most phones now have full keyboards. Before there there three letters mapped to a number button. Describe how you would go about implementing spelling and word suggestions as people type
  • Ans. 

    Implement spelling and word suggestions for full keyboard phones

    • Create a dictionary of commonly used words

    • Use algorithms like Trie or Levenshtein distance to suggest words

    • Implement auto-correct feature

  • Answered by AI
  • Q6. Describe recursive mergesort and its runtime. Write an iterative version in C++/Java/Python
  • Ans. 

    Recursive mergesort divides array into halves, sorts them and merges them back. O(nlogn) runtime.

    • Divide array into halves recursively

    • Sort each half recursively using mergesort

    • Merge the sorted halves back together

    • Runtime is O(nlogn)

    • Iterative version can be written using a stack or queue

  • Answered by AI
  • Q7. How would you determine if someone has won a game of tic-tac-toe on a board of any size?
  • Ans. 

    To determine if someone has won a game of tic-tac-toe on a board of any size, we need to check all possible winning combinations.

    • Create a function to check all rows, columns, and diagonals for a winning combination

    • Loop through the board and call the function for each row, column, and diagonal

    • If a winning combination is found, return the player who won

    • If no winning combination is found and the board is full, return 'Tie...

  • Answered by AI
  • Q8. Given an array of numbers, replace each number with the product of all the numbers in the array except the number itself *without* using division
  • Ans. 

    Replace each number in an array with the product of all other numbers without using division.

    • Iterate through the array and calculate the product of all numbers to the left of the current index.

    • Then, iterate through the array again and calculate the product of all numbers to the right of the current index.

    • Multiply the left and right products to get the final product and replace the current index with it.

  • Answered by AI
  • Q9. Create a cache with fast look up that only stores the N most recently accessed items
  • Ans. 

    Create a cache with fast look up that only stores the N most recently accessed items

    • Implement a hash table with doubly linked list to store the items

    • Use a counter to keep track of the most recently accessed items

    • When the cache is full, remove the least recently accessed item

  • Answered by AI
  • Q10. How to design a search engine? If each document contains a set of keywords, and is associated with a numeric attribute, how to build indices?
  • Ans. 

    To design a search engine with keyword-based document indexing and numeric attributes, we need to build appropriate indices.

    • Create an inverted index for each keyword, mapping it to the documents that contain it

    • For numeric attributes, use a B-tree or other appropriate data structure to store the values and their associated documents

    • Combine the indices to allow for complex queries, such as keyword and attribute filters

    • Co...

  • Answered by AI
  • Q11. Given two files that has list of words (one per line), write a program to show the intersection
  • Ans. 

    Program to find intersection of words in two files

    • Read both files and store words in two arrays

    • Loop through one array and check if word exists in other array

    • Print the common words

  • Answered by AI
  • Q12. What kind of data structure would you use to index annagrams of words? e.g. if there exists the word ?top? in the database, the query for ?pot? should list that

Interview Preparation Tips

College Name: NA

Skills evaluated in this interview

Top Google Sdet Interview Questions and Answers

Q1. How to design a search engine? If each document contains a set of keywords, and is associated with a numeric attribute, how to build indices?
View answer (1)

Sdet Interview Questions asked at other Companies

Q1. Given a M x N 2D array containing random alphabets and a function Dict(string word) which returns whether the 'word' is a valid English word. Find all possible valid words you can get from the 2D array, where the alphabets are adjacent to e... read more
View answer (1)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

Top Google Software Engineer Interview Questions and Answers

Q1. If your Wi-Fi router is not working then what you will do to fix it?
View answer (14)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
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Google Interview Questions and Answers for Freshers
illustration image
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - One-on-one 

(3 Questions)

  • Q1. I am interested for jobs Data Entry operator
  • Q2. How is possible google for my jobs I am very happy Thanksgiving
  • Q3. I needed for this job
Round 2 - Nothing 

(2 Questions)

  • Q1. 8 years Experience working from Data Entry operator
  • Q2. BNMU Madhepura District

Interview Preparation Tips

Interview preparation tips for other job seekers - I am handle for this job very good improvement

Data Entry Operator Interview Questions asked at other Companies

Q1. What is skills matrix of Return center Department?
View answer (44)
Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Top Google Software Engineer Interview Questions and Answers

Q1. If your Wi-Fi router is not working then what you will do to fix it?
View answer (14)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (203)

Google interview questions for popular designations

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 (13)

 Data Analyst

 (12)

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

I applied via Company Website and was interviewed in Dec 2024. There were 3 interview rounds.

Round 1 - HR 

(6 Questions)

  • Q1. What. about . this. Company
  • Q2. Sir. It. a. fast. grouting. Company. and. will.. learn. More.. new. technology. . In.. future
  • Q3. So. In. my. Point. Of. View. definitely. Your.. Company.will.. be. One. Of. the.. leading. Companies. In. Your country
  • Q4. It. is. fast. growing. company. and.. I Will. learn. more. new.. Works. In. future. I. know. It. good. facility
  • Q5. It. Is. a. best platform. to. Start. my. Career. as. a. fresher. and. it's. helpful. In. any. Professional. growth
  • Q6. This. Is. my career. sterling. time. I. think. your company. Is. a good. platform. fur. me. to. Improve. myself
Round 2 - HR 

(1 Question)

  • Q1. What. about. this. Company
Round 3 - One-on-one 

(1 Question)

  • Q1. What. about. this. Company

Interview Preparation Tips

Interview preparation tips for other job seekers - Candidates can. learn. More. about. the. Company. Culture values

Human Resource and Administration Executive Interview Questions asked at other Companies

Q1. Suppose If you have more then 10 candidates at the same time for interview then how will you arrange their schedule?
View answer (1)

Get interview-ready with Top Google Interview Questions

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Feb 2025.

Round 1 - Technical 

(1 Question)

  • Q1. How to manage observibility in cloud

Platform Engineer Interview Questions asked at other Companies

Q1. Palindrome Linked List Problem Statement You are provided with a singly linked list of integers. Your task is to determine whether the given singly linked list is a palindrome. Return true if it is a palindrome, otherwise return false. Exam... read more
View answer (1)

Jobs at Google

View all
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I was interviewed in Dec 2024.

Round 1 - Aptitude Test 

Data Analysis and Automation Testing.

Round 2 - Group Discussion 

Team work and communication

Round 3 - One-on-one 

(3 Questions)

  • Q1. Work culture and promotion!!?
  • Q2. Better Income and study!?
  • Ans. 

    Balancing income and study is possible with proper time management and prioritization.

    • Prioritize tasks based on importance and deadlines

    • Create a study schedule that fits around work hours

    • Utilize breaks at work to study or review material

    • Consider part-time study options or online courses

    • Seek financial aid or scholarships to alleviate financial burden

  • Answered by AI
  • Q3. Work freedom!??
Round 4 - HR 

(2 Questions)

  • Q1. Face to face communication?
  • Q2. Discussion?

Interview Preparation Tips

Interview preparation tips for other job seekers - Always you keep attention to the job seekers

Quality Analyst Interview Questions asked at other Companies

Q1. How you will maintain the balance between operations and quality so that they do not have any conflicts of interest
View answer (3)
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. What is the social networking
  • Ans. 

    Social networking refers to the use of internet-based platforms to connect with others, share information, and build relationships.

    • Social networking sites allow users to create profiles, connect with friends, and share updates and photos.

    • Popular social networking platforms include Facebook, Twitter, Instagram, and LinkedIn.

    • Social networking can be used for personal connections, professional networking, and marketing pu...

  • Answered by AI
  • Q2. How many people added in google
  • Ans. 

    The number of people added in Google is constantly changing due to hiring, acquisitions, and other factors.

    • Google adds thousands of employees each year through hiring and acquisitions.

    • As of 2021, Google has over 140,000 employees worldwide.

    • The exact number of people added in Google can vary depending on the time frame and specific context of the question.

  • Answered by AI
  • Q3. What is the charts accountant
  • Ans. 

    A charts accountant is a professional who specializes in creating and analyzing financial charts and graphs to help businesses make informed decisions.

    • Charts accountants use data visualization techniques to present financial information in a clear and concise manner.

    • They often work with software programs like Microsoft Excel or Tableau to create charts and graphs.

    • Charts accountants help businesses track key performance...

  • Answered by AI
  • Q4. What is a gaming review
  • Ans. 

    A gaming review is an evaluation of a video game, assessing its gameplay, graphics, sound, and overall quality.

    • Gaming reviews provide insights into the strengths and weaknesses of a game.

    • They often include ratings or scores to summarize the reviewer's opinion.

    • Reviews may also discuss the game's story, mechanics, replay value, and technical performance.

    • Examples of popular gaming review websites include IGN, GameSpot, an

  • Answered by AI
  • Q5. How many salary in google
Round 2 - Coding Test 

Very hardworking studying in coding

Interview Preparation Tips

Topics to prepare for Google growth manager interview:
  • Accounting
  • Game Testing
Interview preparation tips for other job seekers - Jobs is nothing but life is something

growth manager Interview Questions asked at other Companies

Q1. How an employee contributes to a company to be a brand?
View answer (2)
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Feb 2025.

Round 1 - HR 

(3 Questions)

  • Q1. What about next Google update ?
  • Ans. 

    The next Google update is anticipated to enhance search algorithms, focusing on user experience and content quality.

    • Improved AI algorithms for better understanding of user intent.

    • Increased emphasis on mobile-first indexing, prioritizing mobile-friendly sites.

    • Potential updates to local search features, enhancing local business visibility.

    • Focus on E-A-T (Expertise, Authoritativeness, Trustworthiness) for content ranking.

  • Answered by AI
  • Q2. Without google what will be observation
  • Ans. 

    Observation involves using senses to gather information and make assessments about surroundings or situations.

    • Use your senses: sight, sound, smell, touch, and taste to gather information.

    • Example: Noticing the temperature of a room can indicate if it's comfortable or not.

    • Pay attention to details: Small changes can provide significant insights.

    • Example: A change in a colleague's behavior may indicate stress or personal is...

  • Answered by AI
  • Q3. Google is alternate to AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Make my journey with google in my life time

Administration Officer Interview Questions asked at other Companies

Q1. Can you say me the fire insurance premium rates?
View answer (1)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - One-on-one 

(4 Questions)

  • Q1. Can you describe a challenging project you worked on and how you handled it?
  • Ans. 

    I worked on developing a website for a local non-profit organization.

    • Collaborated with the organization to understand their needs and goals

    • Designed a user-friendly interface with donation functionality

    • Implemented responsive design for mobile compatibility

    • Tested the website for bugs and usability issues

    • Provided training to the organization's staff on how to update content

  • Answered by AI
  • Q2. How do you prioritize tasks when you have multiple deadlines to meet?
  • Ans. 

    I prioritize tasks by assessing deadlines, importance, and dependencies.

    • Assess all deadlines and prioritize based on urgency

    • Consider the importance and impact of each task

    • Identify any dependencies between tasks and plan accordingly

    • Break down larger tasks into smaller, manageable sub-tasks

    • Use tools like to-do lists or project management software to stay organized

  • Answered by AI
  • Q3. Tell me about a time when you had to learn a new skill quickly to complete a project. How did you approach it?
  • Q4. Describe a situation where you received constructive criticism. How did you respond and what changes did you make?

Interview Preparation Tips

Interview preparation tips for other job seekers - "Thank you for the opportunity! I'm happy to share interview questions to help job seekers. I believe this is a great way to support them."

Web Development Intern Interview Questions asked at other Companies

Q1. Merge Sort Problem Statement You are given a sequence of numbers, ARR. Your task is to return a sorted sequence of ARR in non-descending order using the Merge Sort algorithm. Explanation: The Merge Sort algorithm is a Divide and Conquer app... read more
View answer (1)
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

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

Round 1 - One-on-one 

(6 Questions)

  • Q1. Can you describe a challenging project you worked on and how you handled it?
  • Q2. How do you prioritize tasks when you have multiple deadlines to meet?
  • Ans. 

    Prioritize tasks based on deadlines, importance, and impact on overall project goals.

    • Evaluate deadlines and prioritize tasks based on urgency

    • Consider the importance of each task in relation to project goals

    • Assess the impact of completing each task on overall project progress

    • Communicate with stakeholders to understand priorities and expectations

    • Break down tasks into smaller sub-tasks to manage workload effectively

  • Answered by AI
  • Q3. Describe a situation where you had to collaborate with a difficult team member. How did you approach the situation?
  • Q4. What strategies do you use to ensure the quality of your work?
  • Q5. How do you handle feedback or criticism from peers or supervisors?
  • Ans. 

    I handle feedback by actively listening, reflecting on the criticism, and using it to improve my work.

    • I actively listen to the feedback without getting defensive

    • I reflect on the criticism to understand the underlying issues

    • I use the feedback to improve my work and skills

    • I seek clarification if needed to fully understand the feedback

    • I appreciate constructive criticism as an opportunity for growth

  • Answered by AI
  • Q6. Can you describe a time when you had to adapt to a significant change at work? How did you handle it?

Interview Preparation Tips

Interview preparation tips for other job seekers - "Thank you for the opportunity! I'm happy to share interview questions to help job seekers. I believe this is a great way to support them."

Software Development Engineer Interview Questions asked at other Companies

Q1. Given an acyclic graph of a city where each edge represents a road in the city and each vertex represents an crossing. Write an algo to find out the minimum number of vertices at which a policemen will be kept so that all the roads are cove... read more
View answer (2)
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Google Interview FAQs

How many rounds are there in Google interview?
Google interview process usually has 2-3 rounds. The most common rounds in the Google interview process are Coding Test, Technical and Resume Shortlist.
How to prepare for Google 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 Google. The most common topics and skills that interviewers at Google expect are Recruitment, Python, Computer science, Networking and Analytical.
What are the top questions asked in Google interview?

Some of the top questions asked at the Google interview -

  1. If your Wi-Fi router is not working then what you will do to fix ...read more
  2. Say you have three tables WORK, USERS, MANAGERS WORK - work_id - user_id - how_...read more
  3. You are given 2 eggs. You have access to a 100-story building. Eggs can be very...read more
How long is the Google interview process?

The duration of Google interview process can vary, but typically it takes about less than 2 weeks to complete.

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Technical Program Manager, Google Distributed Cloud, Edge

Bangalore / Bengaluru

3-7 Yrs

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Technical Program Manager

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