About jetbrains
Company Description
JetBrains is a leading software development company known for creating intelligent development tools for a variety of programming languages. Founded in 2000, JetBrains has gained a reputation for its innovative products, including the popular IntelliJ IDEA, PyCharm, and ReSharper, which enhance developer productivity and streamline workflows. The company is committed to fostering a collaborative and inclusive work culture that empowers its employees to be creative and contribute their best ideas. JetBrains promotes a flexible work environment, encouraging a healthy work-life balance, and values the continuous professional growth of its team members through ongoing training and development opportunities. With a strong emphasis on teamwork and shared goals, JetBrains cultivates a sense of belonging and community among its diverse workforce.
Software Developer Interview Questions
Q1: What programming languages are you proficient in?
I am proficient in Java, Python, and Kotlin, with extensive experience in software development using these languages. I have completed various projects that demonstrate my skills in building scalable applications.
Q2: Can you describe a challenging technical problem you faced and how you solved it?
In a recent project, I encountered performance issues due to inefficient database queries. I analyzed the queries, optimized them by adding indexes, and refactored the code to reduce the number of calls to the database, resulting in a significant performance improvement.
Q3: How do you stay updated with the latest technologies and trends in software development?
I regularly read technology blogs, attend webinars, and participate in developer communities. I also take online courses to learn about new frameworks and tools that can enhance my skills and contribute to my projects.
Q4: What is your experience with version control systems?
I have extensive experience using Git for version control. I am comfortable with branching, merging, and resolving conflicts, and I follow best practices for commit messages and repository management.
Q5: How do you approach debugging an application?
My approach to debugging involves replicating the issue, using logging to gather information, and systematically isolating the problem. I also collaborate with teammates to leverage their insights and expedite the debugging process.
Product Manager Interview Questions
Q1: How do you prioritize features and tasks in a product roadmap?
I prioritize features based on customer feedback, market trends, and alignment with business goals. I utilize a scoring system that considers factors such as impact, effort, and urgency to make informed decisions.
Q2: Can you give an example of a successful product launch you managed?
I successfully managed the launch of a new feature in our software that improved user onboarding. I collaborated with cross-functional teams, conducted user testing, and gathered feedback that led to a smooth rollout and a 30% increase in user engagement.
Q3: How do you handle conflicts between stakeholders with differing priorities?
I believe in open communication and actively listen to all stakeholders' concerns. I facilitate discussions to understand their perspectives and work towards a solution that aligns with the overall product vision and business objectives.
Q4: What metrics do you track to measure product success?
I track key performance indicators such as user engagement, customer satisfaction scores, churn rates, and revenue growth. These metrics provide insights into the product’s performance and areas for improvement.
Q5: How do you ensure that your product meets the needs of its users?
I conduct regular user research, gather feedback through surveys and interviews, and utilize analytics to understand user behavior. This data informs product decisions and helps ensure we are addressing user needs effectively.
UX/UI Designer Interview Questions
Q1: Can you describe your design process?
My design process begins with research to understand user needs and gather insights. I then create wireframes and prototypes, followed by user testing to validate my designs. I iterate based on feedback until the final design is ready for implementation.
Q2: How do you ensure that your designs are user-centered?
I prioritize user-centered design by conducting user research, usability testing, and gathering feedback throughout the design process. I also create personas to guide my design decisions and ensure they align with user expectations.
Q3: What tools do you use for your design work?
I primarily use Figma for interface design and prototyping, along with Adobe Creative Suite for graphic design. I also utilize tools like Sketch and InVision for collaboration and user testing.
Q4: Can you share an example of a project where you improved user experience?
In a recent project, I redesigned the onboarding process for a web application. By simplifying the steps and providing clearer instructions, we reduced user drop-off rates by 25% and improved overall satisfaction.
Q5: How do you handle feedback and criticism of your designs?
I view feedback as an opportunity for growth and improvement. I actively seek constructive criticism and engage in discussions to understand different perspectives, which helps me refine my designs and better meet user needs.
DevOps Engineer Interview Questions
Q1: What experience do you have with cloud platforms?
I have hands-on experience with AWS and Azure, where I have deployed applications, managed services, and implemented CI/CD pipelines. I am familiar with cloud architecture and best practices for scalability and security.
Q2: How do you approach automation in your workflows?
I prioritize automation to enhance efficiency and reduce manual errors. I use tools like Jenkins and Ansible to automate deployment processes, server provisioning, and configuration management, ensuring consistency across environments.
Q3: Can you explain the importance of CI/CD in the development lifecycle?
CI/CD is crucial because it allows for frequent code integrations and automated testing, leading to quicker feedback and faster releases. It promotes collaboration between development and operations teams, resulting in improved software quality.
Q4: How do you monitor system performance and reliability?
I utilize monitoring tools like Prometheus and Grafana to track system performance metrics. I set up alerts for critical issues and regularly review logs to identify potential problems before they impact users.
Q5: What is your experience with containerization and orchestration?
I have extensive experience with Docker for containerization and Kubernetes for orchestration. I have deployed applications in containerized environments, ensuring scalability and resource optimization while managing various microservices.
QA Engineer Interview Questions
Q1: What testing methodologies are you familiar with?
I am familiar with various testing methodologies, including manual testing, automated testing, regression testing, and performance testing. I adapt my approach based on project requirements and goals.
Q2: Can you describe your experience with test automation tools?
I have experience using Selenium and TestNG for automating web application tests. I have created comprehensive test scripts and integrated them into CI/CD pipelines to ensure continuous testing and quality assurance.
Q3: How do you ensure that your testing covers all aspects of the application?
I develop detailed test plans that include functional, non-functional, and edge case scenarios. I collaborate with developers and product managers to understand requirements fully and ensure comprehensive test coverage.
Q4: How do you handle a situation where a critical bug is found late in the development cycle?
I prioritize communication with the development team and stakeholders to assess the impact of the bug. I work collaboratively to determine the best course of action, whether it involves a hotfix or delaying the release based on severity.
Q5: What metrics do you track to measure testing effectiveness?
I track metrics such as test case pass rate, defect density, and test coverage to evaluate testing effectiveness. These metrics help identify areas for improvement and ensure that we are maintaining high-quality standards.
Company Background and Industry Position
JetBrains is a standout name when it comes to developer tools and integrated development environments (IDEs). Founded back in 2000, the company has steadily built a reputation for creating products that marry user-friendly design with powerful functionality. Their flagship IDEs like IntelliJ IDEA, PyCharm, and WebStorm have become staples in the software development community worldwide. But JetBrains isn’t just about making software; it’s about innovating how developers code and collaborate.
In a crowded market where giants like Microsoft and Atlassian dominate, JetBrains maintains a unique niche by focusing deeply on developer productivity and smart coding assistance. The company’s emphasis on research, machine learning integration, and a strong open-source ethos gives it an edge in appealing to developers who crave tools that feel intuitive but sophisticated.
Understanding JetBrains' industry position helps clarify why their recruitment method is designed to find not just coders but problem solvers and creative thinkers who align with their mission of making software development effortless and enjoyable.
How the Hiring Process Works
- Application Review and Resume Screening: JetBrains typically begins with a thorough screening of resumes. Unlike companies that rely heavily on automated filters, JetBrains’ recruiters often look for genuine engagement with technical communities, open-source contributions, or evidence of passion projects.
- Online Assessment: For many technical roles, candidates face coding challenges on platforms like HackerRank or Codeforces. These are not just about correctness but also efficiency and style, reflecting JetBrains' focus on quality code.
- Phone or Video HR Interview: This round dives into your background, motivation, and cultural fit. JetBrains values transparency and honest communication here, so expect questions about your work preferences and how you approach collaboration.
- Technical Interview Rounds: Usually composed of two to three rounds, these sessions are intense but fair. You'll tackle algorithmic problems, system design questions, and sometimes pair programming exercises. Interviewers look beyond solutions—they want to see your problem-solving approach and how you adapt to new challenges.
- Final Interview / Team Fit: Often, this is a more informal discussion with potential team members or managers. It’s a chance to assess mutual alignment on goals and work styles.
- Offer and Negotiation: JetBrains tends to offer competitive salary ranges based on experience and role. Transparency during negotiation is common, reflecting their respect for candidates.
This process is structured to balance technical rigor with human interaction, aiming to find candidates who excel both in skill and in fitting the company culture.
Interview Stages Explained
Resume Screening and Initial Contact
When you toss your resume into JetBrains’ hiring funnel, it doesn't just get tossed into a black hole. Recruiters here pride themselves on spotting unique achievements, like open-source contributions or innovative side projects, rather than just polished corporate experience. They’re looking for a spark of originality and passion for software development. This stage often determines if your profile stands out for their technical expectations and team culture.
Online Coding Assessment
This step can feel like a gatekeeper, but there’s real intent behind it. JetBrains wants to see how you write code under limited time and potentially unfamiliar conditions. The coding challenges often include data structures, algorithms, and sometimes language-specific nuances. Don’t be surprised if they test your ability to write clean, maintainable code rather than just solving puzzles. It’s a reflection of their product philosophy—code quality matters.
HR Interview
Expect a warm but probing conversation in this round. The HR interview isn’t merely a formality but a chance to understand your career motivations, preferred work environment, and alignment with JetBrains’ values. Often, candidates notice this is less about rehearsed answers and more about honest dialogues. Recruiters may ask about your past challenges or how you handle feedback, which helps assess adaptability and emotional intelligence.
Technical Rounds
This is where the rubber meets the road. JetBrains’ technical interviews are known for their depth and relevance. You’ll likely face problems involving algorithms, optimization, and sometimes real-world design scenarios that mirror challenges their teams face daily. The interviewers tend to value thoughtful communication — explaining your thought process out loud can sometimes be as important as the final answer. Additionally, pair programming may come into play, testing teamwork under pressure.
Team and Manager Interviews
The final stage usually includes discussions with potential teammates or your future manager. This is less about technical grilling and more about culture fit, interpersonal skills, and mutual expectations. Candidates often find this stage more relaxed but no less crucial. After all, JetBrains wants to ensure you're as comfortable with them as they are with you.
Examples of Questions Candidates Report
- Technical: “How would you implement a caching mechanism to optimize data retrieval in a large-scale application?”
- Algorithmic: “Given a list of intervals, merge the overlapping ones and return the resulting list.”
- Design: “Design a feature for a code editor that suggests refactorings based on code smells.”
- Behavioral: “Tell us about a time when you received critical feedback and how you handled it.”
- Culture Fit: “Why JetBrains? What excites you about working here?”
Eligibility Expectations
JetBrains typically looks for candidates with strong foundations in computer science, software engineering, or related fields. A bachelor’s degree or equivalent experience is common among hires. However, what truly matters is demonstrable skills — through coding tests, contributions to open-source, or previous project impact. For senior roles, deep domain expertise and leadership qualities become critical.
While the company is open to hiring fresh graduates, they expect a solid grasp of algorithms, data structures, and software design principles. For specialized positions, such as DevOps engineers or QA automation experts, relevant certifications and hands-on experience weigh heavily.
Foreign language proficiency (mainly English) is usually a prerequisite given the international nature of their teams and communication.
Common Job Roles and Departments
JetBrains’ roles can be broadly categorized, though the company’s flat structure often blurs strict boundaries:
- Software Engineers: Focused on developing IDEs, plugins, backend services, and tooling. Expertise in languages like Java, Kotlin (a JetBrains creation), Python, and JavaScript is frequently required.
- Quality Assurance Specialists: Responsible for automated and manual testing, ensuring reliability and performance of products.
- Product Managers: Driving roadmap decisions and coordinating cross-functional teams.
- DevOps and Infrastructure Engineers: Maintaining and scaling cloud infrastructure, CI/CD pipelines, and deployments.
- UX/UI Designers: Crafting intuitive interfaces, often collaborating closely with engineers.
- Customer Support and Developer Advocates: Bridging communication between users and development teams.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Junior Software Engineer | $50,000 – $70,000 |
| Software Engineer (Mid-level) | $70,000 – $110,000 |
| Senior Software Engineer | $110,000 – $150,000 |
| QA Automation Engineer | $60,000 – $90,000 |
| Product Manager | $90,000 – $140,000 |
| DevOps Engineer | $80,000 – $130,000 |
| UX/UI Designer | $70,000 – $110,000 |
Keep in mind, salaries vary significantly based on location, experience, and negotiation. In comparison to major tech hubs, JetBrains’ compensation is competitive but sometimes slightly lower than the top-tier Silicon Valley giants. However, benefits like flexible work, remote options, and professional growth often compensate well.
Interview Difficulty Analysis
From what candidates commonly report, JetBrains interviews are moderately to highly challenging. The technical rounds are designed to test not only your coding prowess but also your approach to problem-solving under pressure. Unlike some companies that focus purely on trivia or brain teasers, JetBrains leans towards practical, applied problems that mimic real-world scenarios.
Behavioral and HR stages usually feel balanced and friendly, avoiding the harshness that sometimes intimidates applicants at other companies. However, the expectation to be transparent and self-reflective can catch candidates off guard if they’re not prepared.
For senior or specialized roles, difficulty spikes as you’ll be expected to demonstrate domain-specific knowledge and leadership capabilities.
Preparation Strategy That Works
- Understand JetBrains’ Culture: Dive into their products and community presence. Familiarity with IntelliJ IDEA or Kotlin can’t hurt. It positions you as genuinely interested, not just applying blindly.
- Practice Coding with Emphasis on Quality: Instead of just solving problems quickly, focus on writing clean, readable code. JetBrains values code that can be maintained and understood easily.
- Master Common Data Structures and Algorithms: Arrays, graphs, trees, sorting, and searching algorithms are staples. Use platforms like LeetCode or HackerRank but also try to implement problems by hand.
- Simulate Pair Programming: Since live coding or pair programming exercises may come up, practicing with peers or online coding sessions will help you articulate your thought process smoothly.
- Prepare Thoughtful Behavioral Stories: Reflect on past projects, challenges, and teamwork. Honesty and self-awareness resonate well during HR rounds.
- Study System Design Basics: Even if you’re not applying for a senior role, a basic understanding shows maturity and big-picture thinking.
- Ask Questions: Interview is a two-way street. Preparing insightful questions about team culture, products, and growth opportunities demonstrates authentic interest.
Work Environment and Culture Insights
JetBrains is known for fostering an environment that balances independence with collaboration. Employees often talk about the freedom to experiment and the encouragement to propose new ideas. The company’s remote-friendly approach supports diverse working styles, making it easier for individuals to find their rhythm.
That said, the culture prizes ownership and responsibility. You won't find many micromanagers here; instead, leaders expect you to manage your projects with a proactive mindset. This can be exhilarating if you thrive on autonomy but might feel less structured for those who prefer detailed oversight.
Communication tends to be transparent and respectful. Given the international makeup of teams, cultural sensitivity and clear writing skills are highly valued. Many candidates note the emphasis on continuous learning, with internal workshops and knowledge-sharing sessions being common.
Career Growth and Learning Opportunities
Working at JetBrains isn’t just about the current role; it’s a platform for ongoing growth. The company invests in employee development through educational subsidies, conferences, and internal training programs. Since technology evolves fast, JetBrains encourages exploration of new languages, frameworks, and methodologies.
Pathways for advancement are usually meritocratic. Engineers can move into senior or specialized technical roles or pivot towards project leadership and product management. The flat organizational structure means that promotions are often tied to demonstrated impact rather than tenure.
For those passionate about community engagement, roles like developer advocacy or open-source project leadership sometimes emerge as alternative career trajectories within the company.
Real Candidate Experience Patterns
From conversations and forums, a recurring theme emerges: JetBrains interviews feel like a dialogue rather than a grilling session. Candidates often appreciate the respectful tone and genuine curiosity interviewers show about their backgrounds and problem-solving methods.
Some have shared that while the coding questions are challenging, they don’t feel like trick questions. Instead, they mimic problems you’d encounter in everyday engineering tasks, which makes for a fair but thorough evaluation.
That said, a few candidates report variability depending on the team—some interviews may lean heavily into design aspects, while others focus on algorithms. Preparation flexibility is key here.
Another pattern is quick feedback turnaround, which many appreciate compared to the slow responses common in the tech industry. The communication feels human, which can ease candidate anxiety.
Comparison With Other Employers
Compared to giants like Google, Amazon, or Microsoft, JetBrains offers a more specialized and arguably less intense hiring experience. The technical demands are high but often more aligned with real-world coding than abstract puzzles. Unlike some companies that emphasize competitive or high-pressure environments, JetBrains promotes a balanced approach.
When stacked against startups, JetBrains provides more stability and a clearer career trajectory, thanks to its established market presence and structured teams. Yet, it retains a startup feel in terms of innovation and employee empowerment, which can be rare in bigger companies.
| Aspect | JetBrains | Startup (Generic) | |
|---|---|---|---|
| Interview Focus | Practical coding, product-fit, culture | Algorithmic rigor, scalability, innovation | Varies widely; often product and agility |
| Candidate Experience | Conversational, respectful, transparent | Highly competitive, intense | Informal but sometimes chaotic |
| Work Environment | Autonomy with collaboration | High pressure, results-driven | Flexible but unstable |
| Career Growth | Merit-based, learning focused | Fast-paced, steep learning curve | Rapid but risky |
Expert Advice for Applicants
Don’t just learn to code—learn to think like a JetBrains engineer. That means focusing on clean, maintainable solutions and being ready to explain your thinking clearly. Avoid cramming irrelevant trivia; instead, build deep understanding of core concepts.
Engage with JetBrains products if possible. Playing around with IntelliJ IDEA or PyCharm can give you subtle insights that interviewers will recognize.
Be authentic during behavioral interviews. JetBrains recruiters appreciate candor and self-awareness more than rehearsed answers.
When preparing for technical rounds, simulate real-world problem solving—practice with friends or mentors, and explain your approach aloud.
Lastly, come prepared with thoughtful questions. Showing genuine curiosity can set you apart.
Frequently Asked Questions
What types of interview questions should I expect at JetBrains?
You can expect a mix of algorithmic and design questions, coupled with behavioral inquiries. Coding problems focus on practical application, often related to software tooling or optimization. Expect questions that test coding style, problem-solving methodology, and teamwork.
How long does the entire JetBrains hiring process usually take?
On average, the process spans 3 to 6 weeks from application to offer. This varies based on role, location, and candidate responsiveness. JetBrains tends to maintain timely communication, which candidates appreciate.
Is previous experience with JetBrains products necessary?
Not strictly necessary, but familiarity with JetBrains’ tools can give you a leg up. It shows genuine interest and can help you relate better during interviews that touch on product-related scenarios.
What is the company culture like?
JetBrains promotes a culture of autonomy, continuous learning, and respectful collaboration. It values proactive communication and ownership over tasks, with a strong emphasis on work-life balance.
Are there opportunities for remote work?
Yes, JetBrains has embraced a flexible work model, with many employees working remotely either full-time or part-time. This flexibility is part of their recruitment appeal, especially post-pandemic.
Final Perspective
Landing a role at JetBrains is not just about clearing coding hurdles; it’s an invitation to join a community passionate about shaping the future of software development. Their recruitment process is thoughtfully designed to recognize deep technical skill while honoring personal authenticity and cultural fit. If you prepare with an eye on quality, clarity, and genuine engagement, you’ll not only navigate their selection process more smoothly but also set yourself up for a rewarding career in an innovative environment.
The key takeaway? Don’t chase perfection in technical questions alone. Instead, nurture your problem-solving mindset, understand why clean code matters, and be ready to share your real stories. JetBrains isn’t just hiring employees; they’re welcoming collaborators who will push the boundaries of developer tools together.
jetbrains Interview Questions and Answers
Updated 21 Feb 2026Data Scientist Interview Experience
Candidate: Emily R.
Experience Level: Senior
Applied Via: Recruiter outreach
Difficulty: Hard
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- Explain a machine learning project you led.
- How do you handle missing data?
- Write SQL queries to extract data for analysis.
- What metrics would you use to evaluate a recommendation system?
Advice
Be prepared for deep technical questions and case studies related to data science.
Full Experience
The process was rigorous with coding tests, case studies, and multiple technical interviews. Although I had strong experience, the competition was very tough.
Technical Support Engineer Interview Experience
Candidate: David L.
Experience Level: Mid-level
Applied Via: LinkedIn application
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- How do you handle difficult customers?
- Explain a technical issue you resolved recently.
- What experience do you have with JetBrains products?
- Describe your troubleshooting process.
Advice
Show strong communication skills and technical knowledge of JetBrains tools.
Full Experience
The interview process included a phone screening, a technical interview with scenario-based questions, and a final HR round focusing on cultural fit.
Quality Assurance Engineer Interview Experience
Candidate: Clara S.
Experience Level: Entry-level
Applied Via: Campus recruitment
Difficulty:
Final Result:
Interview Process
2 rounds
Questions Asked
- What is the difference between regression and smoke testing?
- Describe a bug you found and how you reported it.
- How familiar are you with automated testing tools?
Advice
Understand basic testing methodologies and be ready to discuss any internships or projects related to QA.
Full Experience
The first round was a written test on testing concepts, followed by an HR interview discussing my internships and motivation to join JetBrains.
Product Manager Interview Experience
Candidate: Brian K.
Experience Level: Senior
Applied Via: Referral
Difficulty:
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- How do you prioritize features in a product roadmap?
- Describe a time you managed conflicting stakeholder interests.
- Explain your approach to user research.
- How would you improve JetBrains' product suite?
Advice
Prepare to demonstrate strong leadership and strategic thinking skills, and have clear examples ready.
Full Experience
The interviews were intense, focusing heavily on behavioral questions and product strategy. Despite good feedback on my experience, I lacked some specific domain knowledge they were looking for.
Software Engineer Interview Experience
Candidate: Alice M.
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the concept of polymorphism in OOP.
- Write a function to reverse a linked list.
- How do you handle version control in a team environment?
- Describe your experience with Kotlin.
Advice
Brush up on data structures and algorithms, and be ready to discuss your past projects in detail.
Full Experience
The process started with an online coding test, followed by a technical phone interview focusing on algorithms and system design. The final round was an onsite panel where I discussed my previous work and solved coding problems on a whiteboard.
Frequently Asked Questions in jetbrains
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in jetbrains
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
Q: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
Q: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â