About streamsets inc.
Company Description
StreamSets Inc. is a leading provider of data integration solutions that empower organizations to manage and streamline data flows across various platforms. Founded in 2014, StreamSets focuses on building tools that simplify the complexities of data ingestion, transformation, and delivery in modern data environments. The company prides itself on fostering a collaborative and innovative work culture where employees are encouraged to think creatively and push the boundaries of technology. The work environment at StreamSets is characterized by a commitment to continuous learning and development, with a strong emphasis on teamwork, transparency, and flexibility. Employees are motivated to take ownership of their projects and contribute to the overall success of the organization.
Software Engineer Interview Questions
Q1: Can you describe your experience with data integration technologies?
I have worked extensively with data integration tools and frameworks such as Apache NiFi and Talend. My experience includes designing and implementing data pipelines that ensure seamless data movement from various sources to destinations while maintaining data integrity.
Q2: How do you approach debugging a data pipeline?
I typically start by reviewing the logs to identify any error messages, then I isolate each component of the pipeline to determine where the issue lies. I also utilize monitoring tools to track data flow and ensure that each stage of the pipeline is functioning as expected.
Q3: What programming languages are you proficient in?
I am proficient in Java and Python, which I have used for developing data processing applications and writing scripts for automation tasks. I also have experience with SQL for querying databases.
Q4: How do you ensure the scalability of data solutions you design?
I focus on modular design principles, utilizing distributed processing frameworks like Apache Spark. I also conduct performance testing to identify bottlenecks and optimize resource allocation to handle increased data loads effectively.
Q5: Can you explain the concept of ETL and its importance?
ETL stands for Extract, Transform, Load. It is a critical process in data warehousing that involves extracting data from various sources, transforming it into a suitable format, and loading it into a target database. ETL is essential for ensuring that data is accurate, consistent, and ready for analysis.
Data Analyst Interview Questions
Q1: What experience do you have with data visualization tools?
I have worked with several data visualization tools, including Tableau and Power BI. I have created interactive dashboards that provide insights into key performance metrics and allow stakeholders to make data-driven decisions.
Q2: How do you ensure the accuracy of your data analysis?
I implement validation checks at various stages of my analysis, cross-referencing data from multiple sources. Additionally, I conduct peer reviews to ensure that my findings are accurate and reliable.
Q3: Can you describe a challenging data analysis project you worked on?
In one project, I was tasked with identifying customer churn patterns. I analyzed large datasets and applied statistical models to uncover trends, which led to actionable strategies that reduced churn by 15%.
Q4: What statistical methods do you commonly use in your analyses?
I frequently use regression analysis, hypothesis testing, and A/B testing to derive insights from data. I am also familiar with machine learning techniques for predictive analytics.
Q5: How do you handle missing or incomplete data?
I assess the extent of missing data and determine the best approach, whether it's imputing values using statistical methods, removing incomplete records, or using techniques like interpolation based on other available data.
DevOps Engineer Interview Questions
Q1: What tools do you use for continuous integration and deployment?
I primarily use Jenkins for continuous integration and Docker for containerization. I also leverage Kubernetes for orchestration to manage and scale applications efficiently.
Q2: Can you explain the concept of Infrastructure as Code (IaC)?
Infrastructure as Code is a practice that involves managing and provisioning infrastructure using code rather than manual processes. This approach allows for version control, automation, and consistency across environments.
Q3: How do you ensure system security in a DevOps environment?
I implement security best practices such as regular vulnerability assessments, using secure coding techniques, and employing tools like SonarQube for static code analysis. Additionally, I ensure that access controls are enforced and regularly reviewed.
Q4: Describe your experience with cloud platforms.
I have experience working with AWS and Azure, where I have deployed applications, set up databases, and managed resources through their respective management consoles and CLI tools.
Q5: How do you monitor and maintain system performance?
I use monitoring tools like Prometheus and Grafana to track system performance metrics. I set up alerts for any anomalies and conduct regular health checks to ensure that systems are operating optimally.
Conclusion Interview Questions
StreamSets Inc. offers a dynamic work environment that encourages innovation and collaboration. The interview questions provided for the various job roles reflect the skills and knowledge required to succeed in the company’s mission of enhancing data integration and management.
Company Background and Industry Position
StreamSets Inc. has carved out a distinctive niche in the rapidly evolving data management and integration landscape. Founded in 2014, it arrived at a time when businesses were grappling with the surge of big data and the urgent need to make sense of sprawling, diverse data pipelines. The company’s flagship offering—a DataOps platform—caters to organizations aiming to streamline data flows and ensure reliability across complex, hybrid cloud infrastructures.
Unlike some legacy vendors entrenched in traditional ETL tools, StreamSets embraces the demands of modern data engineering, focusing on real-time pipeline monitoring, error handling, and transparency. This forward-looking approach has positioned StreamSets as a growing contender among industry heavyweights like Talend, Informatica, and Apache NiFi.
For job seekers, this means stepping into a company that thrives on innovation and agility. StreamSets is not just another tech vendor; it’s a place where data engineers, developers, and product teams collaborate to solve tricky pipeline challenges that exist in fast-moving enterprise environments.
How the Hiring Process Works
- Online Application and Resume Screening – Candidates start by submitting their resumes through the company’s careers portal or via referral links. Recruiters quickly scan for relevant skills and experience, particularly software engineering or data engineering backgrounds with hands-on pipeline or cloud experience.
- Recruiter Phone Screen – The initial call usually involves a recruiter who checks the candidate’s motivation, cultural fit, and basic eligibility. They might touch on salary expectations and availability. But it’s generally a relaxed conversation rather than a deep technical probe.
- Technical Assessment – Depending on the role, candidates might face an online coding test, a take-home project, or a technical quiz focusing on data processing frameworks, programming languages like Python or Java, and systems design basics.
- Technical Interviews – These rounds delve deeper into problem-solving and system design. Expect a mix of whiteboard sessions, coding exercises, and scenario discussions relevant to data pipelines and cloud-native architectures.
- HR and Culture Interview – The final stage centers around assessing cultural fit, behavioral traits, and long-term alignment with StreamSets' values. Hiring managers and HR professionals often lead this stage.
- Offer and Negotiation – Successful candidates receive an offer package. Salary, benefits, and other terms are discussed before finalizing the deal.
The structured yet flexible nature of this process reflects StreamSets’ commitment to hiring talent that not only excels technically but also meshes well with the company’s collaborative ethos and fast-changing industry demands.
Interview Stages Explained
Phone Screen: Setting the Tone
This stage is usually brief but crucial. Recruiters want to ensure you understand what the company does and that your background aligns with the job role. They may casually explore your previous projects or ask why you’re interested in StreamSets. It’s less about right or wrong answers and more about your communication skills and enthusiasm.
Candidates often find this stage a bit nerve-wracking simply because it’s the first point of contact. But it's also an opportunity to clarify your own expectations, ask questions, and demonstrate a genuine interest in learning more.
Technical Assessment: Filtering for Skill
For engineering roles, this step weeds out candidates who lack essential coding or data engineering chops. StreamSets’ tests aren't just theoretical; expect practical problems like writing a script to process streaming data, debugging pipeline errors, or designing small modular components.
The reason behind such assessments is straightforward—StreamSets hires people who can hit the ground running. They need engineers who understand the nuances of data flow complexities and can troubleshoot in real-time, not just write neat code in isolation.
Technical Interviews: Deep Dive into Expertise
These rounds are where candidates get tested on architectural thinking and problem-solving agility. Interviewers probe your understanding of distributed systems, cloud platforms (AWS, Azure, GCP), and data integration challenges. It’s commonplace to dissect your past experience with streaming technologies like Kafka or Spark.
The interviews often combine live coding with scenario-based questions. For example, you might be asked to optimize a data pipeline that’s lagging or design a fail-safe mechanism for data ingestion under failure conditions. This approach reflects the real-world problems engineers face at StreamSets.
Don’t be surprised if you feel the pressure; the company values people who can think on their feet but also articulate their rationale clearly. They want to see your problem-solving process, not just final answers.
HR Interview: Cultural and Long-Term Fit
By the time you reach this stage, technical competency is assumed. Now, it's about values, teamwork, and communication style. StreamSets is known for a collaborative environment, so expect questions about how you handle conflicts, work in cross-functional teams, and adapt to change.
This round also clarifies practical aspects like salary range expectations, remote or onsite work preferences, and your career aspirations. Candidates often find this stage more conversational, yet it’s critical because it sets the foundation for a healthy working relationship.
Examples of Questions Candidates Report
- Technical: "How would you design a data pipeline that ensures exactly-once processing in a distributed environment?"
- Scenario-Based: "Imagine one of your pipelines is failing intermittently due to network latency. How do you approach diagnosing and fixing the problem?"
- Coding: "Write a function that detects and handles duplicate records in a streaming dataset."
- Behavioral: "Describe a time when you had to convince team members to adopt a new tool or process."
- Culture Fit: "How do you stay updated on emerging technologies in data engineering?"
Eligibility Expectations
StreamSets typically looks for candidates with a solid foundation in computer science or related fields. For engineering roles, a bachelor’s degree is often the minimum, though relevant experience can sometimes offset formal education requirements. Proficiency in programming languages such as Java, Python, or Scala is essential, alongside practical exposure to data processing frameworks.
For more specialized roles—think product management or sales engineering—familiarity with cloud ecosystems and data integration technology is highly desirable. The candidate should also demonstrate adaptability, curiosity, and a problem-solving mindset.
It’s not just about ticking technical boxes; StreamSets values candidates who can navigate ambiguous situations and contribute to incremental improvements in pipeline reliability and performance. So, when reviewing your resume, highlight both technical skills and examples of initiative or impact.
Common Job Roles and Departments
StreamSets employs talent across various domains, typically structured into the following departments:
- Engineering: Software engineers, data engineers, DevOps specialists, and QA engineers who develop and maintain the core DataOps platform.
- Product Management: Professionals who bridge customer needs and technical execution, focusing on roadmap and feature prioritization.
- Sales and Customer Success: Roles that require technical acumen to understand client challenges and tailor solutions effectively.
- Marketing and Operations: Support teams that amplify product visibility and manage internal processes.
- Support and Services: Engineers and consultants helping clients optimize and troubleshoot their data pipelines.
While engineering roles are the most technical and rigorous in hiring, other departments also maintain high standards, often assessing industry knowledge, communication skills, and alignment with company values.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Software Engineer | $110,000 - $150,000 |
| Data Engineer | $115,000 - $155,000 |
| Product Manager | $130,000 - $170,000 |
| Sales Engineer | $90,000 - $130,000 + commission |
| Customer Success Manager | $80,000 - $120,000 |
These numbers vary based on location, experience, and negotiation prowess. StreamSets tends to offer competitive packages aligned with mid-to-high tech industry standards, balancing base salary with equity and benefits. Candidates should prepare to discuss compensation transparently during the offer stage but keep in mind that flexibility exists, especially for exceptional talent or niche expertise.
Interview Difficulty Analysis
Candidates often report the StreamSets hiring process as moderately challenging with a few spikes in intensity during technical interviews. The initial recruiter screen is usually straightforward, but the technical assessments demand thorough preparation.
What sets StreamSets apart from many competitors is its focus on real-world data engineering problems rather than hypothetical puzzles. This can be a double-edged sword: while it feels more relevant and fair, it requires candidates to have hands-on experience or to invest time learning practical tools and concepts in advance.
The culture interview tends to be more relaxed but still probing, aiming to reveal your interpersonal style and how you might fit into their agile, collaborative teams. Unlike some tech giants that emphasize brainteasers, StreamSets values clarity and pragmatic solutions.
Preparation Strategy That Works
- Study Real Data Pipelines: Review case studies on streaming data architecture and distributed computing to understand common failure points and design patterns.
- Sharpen Coding Skills: Practice coding with a focus on data manipulation and error handling, especially in Python or Java.
- Mock System Design: Simulate designing scalable pipelines, considering fault tolerance, latency, and data quality.
- Review Cloud Platforms: Familiarize yourself with AWS, Azure, or GCP services related to data orchestration and storage.
- Behavioral Stories: Prepare examples demonstrating teamwork, adaptability, and technical leadership.
- Ask Insightful Questions: During interviews, engage thoughtfully about StreamSets’ products and challenges—this signals genuine interest and initiative.
In essence, preparation isn’t just about memorizing answers but developing a mindset comfortable with evolving data environments and collaborative problem-solving.
Work Environment and Culture Insights
StreamSets is known for a work culture that blends startup agility with enterprise-grade discipline. Employees often describe the atmosphere as open and supportive, where technical debates are encouraged but never at the cost of mutual respect.
The company encourages continuous learning, with frequent knowledge-sharing sessions and a focus on staying ahead of industry shifts. Given the complexity of data operations, teamwork is essential—engineers, product managers, and customer success folks work closely to iterate quickly and respond to client needs.
Work-life balance seems reasonable, though as with many tech companies, crunch times can occur around product launches or major client rollouts. Flexibility in remote work arrangements is present, reflecting StreamSets’ embrace of modern workforce trends.
Career Growth and Learning Opportunities
Growth at StreamSets is often less about climbing a traditional corporate ladder and more about deepening expertise and expanding cross-functional influence. Engineers might move into senior technical roles, architecture, or management, while those in product or sales have clear paths to leadership.
What stands out is the emphasis on continuous education—whether it’s adopting new data technologies or refining DevOps practices. The company supports participation in conferences, certifications, and internal training, recognizing that staying relevant is vital in the fast-moving data ecosystem.
Real Candidate Experience Patterns
Speaking with candidates who’ve gone through StreamSets’ process reveals a few recurring themes. Many appreciate the transparency recruiters maintain throughout, including timely feedback and clear descriptions of each recruitment stage.
Technical interviews tend to feel intense but fair. Candidates note that interviewers often try to understand their thought processes rather than just hunting for “gotcha” moments. However, some mention that preparation on specific data streaming concepts offered an edge.
Occasionally, candidates are surprised by the cultural interview’s depth, finding it more nuanced than expected. This stage often tests emotional intelligence and alignment with company values in subtle ways.
Overall, the experience is described as professional yet personable, with room for candidates to clarify doubts and express their viewpoints openly—something many find refreshing compared to more rigid hiring approaches.
Comparison With Other Employers
| Aspect | StreamSets | Talend | Informatica |
|---|---|---|---|
| Interview Focus | Practical data engineering scenarios, pipeline design, collaboration | Technical aptitude, coding, cloud knowledge | Process-oriented, product knowledge, client handling |
| Average Interview Duration | 3-4 weeks | 4-5 weeks | 5-6 weeks |
| Candidate Experience | Transparent and engaging | Standardized but occasionally rigid | Formal and comprehensive |
| Salary Range | Competitive mid-to-high tech market | Comparable but slightly lower in smaller markets | Varies widely with seniority |
| Company Culture | Collaborative, agile, innovation-driven | Structured, enterprise-oriented | Corporate, process-heavy |
StreamSets tends to appeal more to those who want a blend of startup dynamism and enterprise challenges, whereas Talend and Informatica may attract candidates who prefer more established, process-driven settings.
Expert Advice for Applicants
Don’t just focus on technical knowledge—your ability to communicate complex ideas simply is just as important at StreamSets. They hire problem solvers who also make great collaborators.
Get comfortable discussing your previous projects in depth, especially any experience dealing with real-time data or distributed systems. Describe not only what you did but how you handled setbacks or uncertainties.
When preparing for the technical rounds, practice explaining your thought process out loud. Interviewers want to see your logic, not just code output.
Finally, research StreamSets’ products and recent developments. Showing that you understand their mission and challenges can set you apart significantly.
Frequently Asked Questions
What kind of coding languages should I be proficient in for a StreamSets technical interview?
Python and Java are commonly required, given their prevalent use in data engineering and pipeline construction. Familiarity with Scala is also a plus, especially for roles involving Spark or other big data frameworks.
How many interview rounds does StreamSets typically have?
Most candidates undergo around three to five rounds, including a recruiter screen, technical assessment, one or two technical interviews, and a final HR or culture fit session.
Does StreamSets provide feedback after interviews?
Yes, candidates generally receive feedback within a reasonable timeframe, with recruiters maintaining transparent communication throughout the process.
Is previous experience with cloud platforms mandatory?
While not always mandatory, experience with cloud platforms like AWS, Azure, or GCP is highly valued, given StreamSets’ cloud-native product architecture.
What is the typical salary range for software engineers at StreamSets?
Software engineer salaries range roughly between $110,000 and $150,000, depending on experience, role seniority, and location.
Final Perspective
Interviewing at StreamSets Inc. is a journey that challenges candidates to demonstrate both technical mastery and cultural alignment. Unlike cookie-cutter recruitment drives, this process reflects the company’s real-world priorities: building resilient data pipelines and nurturing collaborative teams. If you’re a candidate passionate about data engineering, willing to engage with practical problems, and eager to grow in a vibrant tech environment, StreamSets offers a well-rounded platform.
As you prepare, remember to think like someone who builds data flows—not just coders or theorists. Show them you can design systems, troubleshoot with agility, and communicate effectively. It’s this blend of skills and mindset that will make you stand out in their hiring process.
streamsets inc. Interview Questions and Answers
Updated 21 Feb 2026Customer Success Manager Interview Experience
Candidate: Emma S.
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result: Rejected
Interview Process
3
Questions Asked
- How do you manage customer expectations in complex projects?
- Describe your experience with SaaS customer success.
- What strategies do you use to reduce churn?
- Behavioral: Tell me about a time you turned around a difficult customer relationship.
Advice
Focus on customer success metrics and real examples of problem-solving in client relationships.
Full Experience
The interviewers were interested in practical experience with SaaS and customer retention strategies. I felt I could have provided more detailed examples.
Sales Engineer Interview Experience
Candidate: David L.
Experience Level: Entry-level
Applied Via: Indeed
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- Explain StreamSets' value proposition to a potential client.
- How do you handle objections during a sales pitch?
- Describe your technical background relevant to data products.
- Behavioral: Give an example of working in a team environment.
Advice
Be confident in explaining technical concepts in simple terms and demonstrate good interpersonal skills.
Full Experience
The interviews were straightforward, focusing on communication skills and basic technical understanding. The hiring manager was supportive and clear about expectations.
Product Manager Interview Experience
Candidate: Clara J.
Experience Level: Mid-level
Applied Via: Referral
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- How do you prioritize features in a data product?
- Describe your experience working with engineering teams.
- Explain a time you handled conflicting stakeholder requirements.
- What metrics do you track for product success?
- Behavioral: Tell me about a challenging project you managed.
Advice
Understand the data integration domain and be ready to discuss cross-functional collaboration.
Full Experience
The interview focused on product management skills and understanding of data products. The team valued clear communication and strategic thinking.
Data Engineer Interview Experience
Candidate: Brian K.
Experience Level: Senior
Applied Via: Company Website
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Design a scalable data ingestion system.
- Explain how you optimize Spark jobs.
- What strategies do you use for data validation?
- Write SQL queries to identify duplicates in a dataset.
- Behavioral: Describe a time you improved a data pipeline's performance.
Advice
Prepare for system design questions and advanced SQL and Spark optimization techniques.
Full Experience
The interviews were challenging, especially the system design and optimization questions. The interviewers expected deep knowledge of big data tools and practical experience.
Software Engineer Interview Experience
Candidate: Alice M.
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain the concept of DataOps and its benefits.
- Describe your experience with ETL pipelines.
- Write a function to merge two sorted arrays.
- How do you handle data quality issues in pipelines?
- Behavioral: Tell me about a time you faced a challenging bug.
Advice
Brush up on data pipeline concepts and practice coding problems related to arrays and data structures.
Full Experience
The interview process was well-structured with a phone screen, a technical coding round, and a final onsite with behavioral questions. The team was friendly and focused on practical knowledge of data integration.
Frequently Asked Questions in streamsets inc.
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in streamsets inc.
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
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: 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: 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: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
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: 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: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
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
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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: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
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: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
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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: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)