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Google Interview Questions and Answers
439 Interview questions
Calculate the median from a continuous stream of numbers efficiently.
Use two heaps: a max-heap for the lower half and a min-heap for the upper half.
Insert numbers into the appropriate heap based on their value.
Balance the heaps to ensure their sizes differ by at most one.
The median is the root of the max-heap if it has more elements, or the average of both roots if they are equal in size.
Example: Stream = [1, 5, 2...
Calculate the height of a tree using a segment tree data structure.
A segment tree is a binary tree used for storing intervals or segments.
Each node represents an interval and stores information about that interval.
To find the height, recursively calculate the height of left and right subtrees.
Example: For a tree with nodes 1, 2, 3, the height is 2 (root + 1 level).
Height can be defined as the number of edges in th...
Sorting an array involves arranging its elements in a specific order, typically ascending or descending.
Use built-in functions: Most programming languages have built-in sort functions. Example: `array.sort()` in Python.
Custom sorting: You can define your own sorting logic using comparison functions. Example: `sorted(array, key=len)` sorts by string length.
Sorting algorithms: Implement algorithms like Quick Sort or...
Joins are required to combine data from multiple tables based on related columns.
To retrieve related data from different tables, e.g., joining 'patients' and 'appointments' tables to get patient appointment details.
When performing complex queries that require data from multiple sources, e.g., joining 'orders' and 'customers' to analyze sales.
To enforce referential integrity by linking primary keys in one table to ...
What people are saying about Google
Experienced Project Manager with a strong background in leading cross-functional teams and delivering projects on time and within budget.
Over 8 years of experience in project management across various industries, including IT and construction.
Successfully led a team of 15 in a software development project that increased client satisfaction by 30%.
Skilled in Agile and Waterfall methodologies, having implemented Agi...
Dijkstra's algorithm finds the shortest path between nodes in a graph, using a priority queue for efficient pathfinding.
Graph Representation: Dijkstra's algorithm works on weighted graphs, where edges have non-negative weights, representing distances or costs.
Initialization: Start with a source node, setting its distance to zero and all other nodes to infinity, indicating they are unreachable initially.
Priority Qu...
LRU cache algorithm evicts the least recently used items first to optimize memory usage and improve access speed.
Eviction Policy: LRU removes the least recently accessed items when the cache reaches its limit, ensuring frequently used items remain available.
Implementation: Typically implemented using a combination of a hash map for fast access and a doubly linked list to maintain the order of usage.
Example: If a c...
Google is a search engine that organizes information from the web to provide relevant search results to users.
Google uses algorithms to index and rank web pages based on relevance and quality.
It employs a crawler (Googlebot) to discover and update content on the internet.
Search results are personalized based on user behavior and location.
Google offers various services like Google Maps, Google Drive, and Google Pho...
A p-value measures the strength of evidence against the null hypothesis in statistical hypothesis testing.
A p-value ranges from 0 to 1, with lower values indicating stronger evidence against the null hypothesis.
Common thresholds for significance are 0.05, 0.01, and 0.001.
For example, a p-value of 0.03 suggests there is a 3% probability of observing the data if the null hypothesis is true.
A p-value does not indicat...
Find the kth largest number in an array using sorting or a min-heap approach.
Sort the array in descending order and return the element at index k-1. Example: [3, 1, 4, 1, 5], k=2 -> 4.
Use a min-heap of size k to keep track of the largest k elements. Example: [3, 1, 4, 1, 5], k=2 -> 4.
Consider edge cases: if k is greater than the array length, return an error or a specific value.
Google Interview Experiences
892 interviews found
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. How do you gather and interpret client requirements?
- Ans.
I gather client requirements through effective communication, research, and iterative feedback to ensure alignment with their vision.
Conduct initial meetings to discuss project goals and expectations.
Use questionnaires to gather detailed information about client preferences.
Create mood boards or visual references to align on design aesthetics.
Iterate on designs based on client feedback to refine the final product.
Utili...
- Q2. What tools do you typically use during each phase?
- Ans.
I use various tools throughout the design process, from brainstorming to final delivery, ensuring efficiency and creativity.
Brainstorming: I use tools like MindMeister for mind mapping ideas.
Wireframing: I prefer Balsamiq or Adobe XD to create low-fidelity wireframes.
Design: For high-fidelity designs, I typically use Adobe Illustrator and Photoshop.
Prototyping: Tools like InVision or Figma help me create interactive pr...
- Q3. How do you handle client feedback and revisions?
- Ans.
I embrace client feedback as a vital part of the design process, ensuring their vision is realized through collaboration and open communication.
Listen actively to client feedback to understand their perspective and needs.
Clarify any ambiguous feedback by asking follow-up questions to ensure alignment.
Prioritize revisions based on the client's goals and the project's objectives.
Provide mockups or prototypes to visualize...
- Q4. Can you show an example where your design made a real impact?
Interview Preparation Tips
Sahana Sahana
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Tell. Me. about your self
- Q2. Why. are. You. leaving. Your. Current Job
- Q3. What. Interests. you. about. this. Job
- Q4. How. did. You. learn about. the opening
- Q5. Why. should we. Choose. You
- Q6. What. are. Your. Career goals?
Anonymous
Selected
(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
(2 Questions)
- Q1. 8 years Experience working from Data Entry operator
- Q2. BNMU Madhepura District
Interview Preparation Tips
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Tell. Me. about your. Self
- Q2. Why. should. We. choose. You
- Q3. Hello. I'm..sahana.and.idone.an.mba.With.a.speialization.in.HR.and.makeing.as.well.as.aB.Com.inE.commeres.i'm.done.through.my.inthern.ship.atBestEngineerspump.in.Coimbatore I'm. Passionate about. blending....
- Q4. You. Should. hire. me because. I bring. a. unique. blend. Of. Skills. in. H.R.and.marketing.supported.by.me.academic.background.and.practial.. experience. managing. projects and. understanding. team. dynam...
Interview Preparation Tips
Human Resource and Administration Executive Interview Questions & Answers
Sahana Sahana
posted on 18 Jan 2025
Selected
I applied via Company Website and was interviewed in Dec 2024. There were 3 interview rounds.
(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
(1 Question)
- Q1. What. about. this. Company
(1 Question)
- Q1. What. about. this. Company
Interview Preparation Tips
Selected
I appeared for an interview in Dec 2024.
Data Analysis and Automation Testing.
Team work and communication
(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
- Q3. Work freedom!??
(2 Questions)
- Q1. Face to face communication?
- Q2. Discussion?
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(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...
- 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.
- 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...
- 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...
- Q5. How many salary in google
Very hardworking studying in coding
Interview Preparation Tips
- Accounting
- Game Testing
I applied via Campus Placement
(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
- 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
- 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
Selected
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
(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
- 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
- Q6. Can you describe a time when you had to adapt to a significant change at work? How did you handle it?
- Ans.
Adapting to significant changes at work requires flexibility, communication, and a proactive approach to problem-solving.
Embraced Change: When our team shifted to remote work due to the pandemic, I quickly adapted by setting up a home office and establishing a routine.
Enhanced Communication: I initiated daily stand-up meetings via video calls to maintain team cohesion and ensure everyone was aligned on tasks.
Learned Ne...
Interview Preparation Tips
I applied via AmbitionBox and was interviewed in Dec 2024. There were 2 interview rounds.
Aptitude test for selection.
(2 Questions)
- Q1. What is your understanding of data analytics?
- Ans.
Data analytics involves analyzing raw data to draw conclusions and make informed decisions.
Data analytics involves collecting, processing, and analyzing data to identify trends and patterns.
It helps businesses make data-driven decisions and improve performance.
Techniques used in data analytics include data mining, machine learning, and statistical analysis.
Examples of data analytics in action include predicting custome...
- Q2. What is the significance of data analytics in analyzing and visualizing data?
Interview Preparation Tips
Google Interview FAQs
Some of the top questions asked at the Google interview -
The duration of Google interview process can vary, but typically it takes about less than 2 weeks to complete.
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