About ostrovok.ru
Company Description
Ostrovok.ru is a leading online travel agency in Russia, specializing in providing accommodation options for travelers. Founded in 2011, the company has rapidly grown to become one of the top players in the Russian travel market, offering a wide selection of hotels, vacation rentals, and other lodging options. Ostrovok.ru prides itself on its user-friendly platform, innovative technology, and strong customer service. The work culture at Ostrovok.ru is characterized by a dynamic and collaborative environment where employees are encouraged to share ideas and contribute to the company's growth. The company values creativity, adaptability, and a commitment to providing exceptional experiences for travelers. Employees enjoy a supportive atmosphere that promotes work-life balance and continuous professional development.
Job Role: Software Engineer Interview Questions
Q1: What programming languages are you proficient in?
I am proficient in several programming languages, including Java, Python, and JavaScript. I have used these languages to develop both front-end and back-end applications, focusing on performance and scalability.
Q2: Can you describe a challenging technical problem you faced and how you resolved it?
One challenging problem I encountered was optimizing the performance of a web application that was experiencing slow load times. I conducted a thorough analysis of the code and identified bottlenecks in database queries. By implementing caching and optimizing SQL queries, I was able to reduce load times by 50%.
Q3: How do you ensure the quality of your code?
I ensure code quality through a combination of unit testing, code reviews, and adhering to coding standards. I also utilize version control systems and continuous integration tools to maintain code integrity throughout the development process.
Q4: What experience do you have with Agile methodologies?
I have experience working in Agile teams, participating in daily stand-ups, sprint planning, and retrospectives. I appreciate the iterative approach of Agile, as it allows for flexibility and continuous improvement based on team feedback and evolving project requirements.
Q5: How do you stay updated with the latest technology trends?
I stay updated by following tech blogs, attending webinars, and participating in local meetups and conferences. I also engage with online communities and forums to learn from peers and share knowledge.
Job Role: Product Manager Interview Questions
Q1: How do you prioritize features for a product roadmap?
I prioritize features based on a combination of user feedback, market research, and business goals. I use frameworks like the MoSCoW method to categorize features into Must-have, Should-have, Could-have, and Won't-have to ensure focus on delivering maximum value.
Q2: Can you give an example of a successful product you managed?
I managed the launch of a new booking feature that allowed users to filter accommodations based on specific criteria. Through user testing and iterative feedback, we were able to refine the feature, which ultimately increased user engagement by 30% and boosted conversion rates.
Q3: How do you handle conflicting priorities among stakeholders?
I approach conflicting priorities by facilitating open discussions with stakeholders to understand their perspectives. I aim to find common ground and negotiate a solution that aligns with the overall business objectives while keeping user needs in focus.
Q4: What metrics do you track to measure product success?
I track key performance indicators such as user engagement rates, conversion rates, customer satisfaction scores, and retention rates. These metrics help assess the product's performance and inform future enhancements.
Q5: How do you incorporate user feedback into your product development process?
I incorporate user feedback through surveys, usability testing, and direct user interviews. I analyze this feedback to identify patterns and pain points, which inform prioritization and improvements in the product.
Job Role: Customer Support Specialist Interview Questions
Q1: How do you handle difficult customers?
I handle difficult customers by actively listening to their concerns and empathizing with their situation. I remain calm and professional, seeking to understand their needs and finding a solution that meets their expectations.
Q2: Can you describe a time when you turned a negative customer experience into a positive one?
A customer once reached out regarding a booking error. I quickly acknowledged the mistake, apologized sincerely, and offered a complimentary upgrade to their accommodation. The customer was grateful for the swift resolution and expressed appreciation for the service.
Q3: What tools and systems are you familiar with for customer support?
I am familiar with several customer support tools such as Zendesk, Freshdesk, and Salesforce. I have experience in managing tickets, tracking customer interactions, and utilizing knowledge bases to provide efficient assistance.
Q4: How do you prioritize multiple customer inquiries?
I prioritize customer inquiries based on urgency and complexity. I assess whether the issue affects multiple customers or has a time-sensitive nature and address those cases first while ensuring timely responses to all inquiries.
Q5: What strategies do you use to improve customer satisfaction?
I focus on clear communication, timely responses, and ensuring that customers feel valued. Additionally, I seek feedback to identify areas for improvement and am proactive in following up with customers after resolution to ensure their satisfaction.
Job Role: Marketing Specialist Interview Questions
Q1: What marketing strategies do you think are most effective for travel companies?
Effective marketing strategies for travel companies include content marketing, social media engagement, and influencer partnerships. Utilizing targeted ads and email marketing campaigns can also help reach specific audiences and drive conversions.
Q2: Can you describe a successful campaign you've worked on?
I led a campaign promoting a seasonal discount on hotel bookings through social media platforms. By creating engaging visual content and leveraging user-generated content, we increased our social media following by 25% and saw a 40% increase in bookings during that period.
Q3: How do you measure the success of a marketing campaign?
I measure success through key performance indicators such as conversion rates, click-through rates, and return on investment. I also gather qualitative feedback from customers to assess brand perception and engagement levels.
Q4: What tools do you use for digital marketing analytics?
I use tools like Google Analytics, SEMrush, and Hootsuite for tracking website performance, social media engagement, and overall campaign effectiveness. These tools provide valuable insights for optimizing future marketing efforts.
Q5: How do you stay updated with digital marketing trends?
I stay updated by following industry blogs, attending webinars, and participating in marketing forums. Networking with other marketing professionals also provides insights into new trends and best practices in the field.
Company Background and Industry Position
Ostrovok.ru is one of Russia’s prominent online travel agencies, carving out a niche in the fiercely competitive travel booking market. Since its inception, the company has focused on simplifying hotel reservations, offering a broad inventory of accommodations worldwide. In a landscape dominated by giants like Booking.com and Expedia, Ostrovok.ru’s localized approach and tech-driven solutions have helped it maintain strong brand loyalty among Russian-speaking customers.
Understanding Ostrovok.ru’s place in the industry gives valuable context for job seekers. You’re not just applying to any tech company but entering a sector that requires agility, customer-centric innovation, and a nuanced grasp of the travel ecosystem. The company’s growth trajectory suggests a blend of startup culture with the maturity of an established platform. This mix heavily influences its hiring philosophy and interview process.
How the Hiring Process Works
- Application Screening: Ostrovok.ru places significant emphasis on a candidate’s resume and initial qualifications. Recruiters sift through applications looking for relevant experience, technical skills, and cultural fit signals. Because the company values both technical prowess and adaptability, applications that align well with the job description tend to get priority.
- Initial HR Interview: This stage is designed to assess soft skills, motivation, and whether a candidate’s career goals align with Ostrovok.ru’s vision. Recruiters often probe into your understanding of the travel industry and the company’s positioning. Expect questions about your communication style and teamwork experience.
- Technical Interview: Candidates for technical roles face in-depth discussions around their expertise. This could involve coding tests, system design challenges, or problem-solving sessions. For product and marketing positions, case studies or situational questions are common.
- Final Interview with Team Lead or Manager: Here, the focus shifts to cultural fit and long-term potential. Interviewers assess how you handle feedback, your problem-solving mindset, and whether you’ll thrive within the team’s dynamic.
- Offer and Negotiation: Successful candidates receive an offer detailing salary range, benefits, and other terms. The negotiation phase is generally straightforward but be prepared to justify your expectations based on market rates and your experience level.
Interview Stages Explained
Initial HR Interview – Setting the Tone
This is less about testing technical skills and more about you as a person. Recruiters want to know what spurs you to work in travel tech, specifically at Ostrovok.ru. It’s common to be asked about your previous roles, how you handled challenges, and what you know about the company's place in the industry.
A strong candidate will demonstrate curiosity about the company’s products, a genuine interest in travel trends, and the ability to articulate why this role is a logical next step for their career. This stage often influences whether you advance, making thorough company research essential.
Technical Interview – The Core Assessment
Technical assessments here vary by role but maintain a certain rigor. For engineering roles, expect whiteboard or live coding tasks that test your problem-solving and algorithmic thinking. Product managers might face case studies that evaluate decision-making in ambiguous situations.
The interviewers aren’t just focused on right or wrong answers. They observe how you approach problems, communicate your thought process, and respond to feedback. That’s why it’s crucial to verbalize your reasoning clearly. Candidates who get stuck but show structured thinking often fare better than those who guess blindly.
Team or Manager Interview – The Cultural Fit
By this point, you’ve passed the technical hurdles, so the conversation shifts to fit and forward-looking potential. Managers probe into how you collaborate, manage deadlines, and handle pressure. You might be asked to recount times you dealt with conflict or learned from mistakes.
This stage often feels less formal but can be the most challenging because it’s about authenticity. Interviewers want to see if your working style syncs with the team and if you’ll be resilient in a fast-paced environment.
Examples of Questions Candidates Report
- HR Interview: “What excites you about working in the travel industry?”
- Technical Interview (Engineering): “How would you optimize a hotel search algorithm for speed and relevance?”
- Product Role: “Design a feature that would increase user engagement on the platform.”
- Team Interview: “Tell me about a time you dealt with conflicting priorities in a project.”
- General Behavioral: “How do you stay motivated during routine or repetitive tasks?”
Eligibility Expectations
Ostrovok.ru tends to look for candidates who not only possess the necessary qualifications but also demonstrate a passion for innovation and travel. For technical positions, a solid grasp of relevant programming languages and development frameworks is non-negotiable. However, the company doesn’t just want coders; it seeks problem solvers who can think beyond the code.
For roles in marketing or product management, experience with data analysis, user behavior interpretation, and agile methodologies often comes up. The hiring teams expect candidates to show adaptability—a must-have in the evolving travel tech landscape.
Language proficiency, especially in Russian and English, is typically a requirement given the company’s operations and international reach. Lastly, cultural fit—often gauged through interpersonal communication skills and mindset—is a decisive factor.
Common Job Roles and Departments
Ostrovok.ru’s organizational structure revolves around several key departments, each with distinct hiring needs:
- Engineering: Backend and frontend developers, QA engineers, and DevOps specialists form the tech backbone.
- Product Management: Responsible for shaping the user experience and platform features.
- Data Science and Analytics: Teams dedicated to extracting actionable insights to guide business decisions.
- Marketing and Sales: Focused on customer acquisition, retention, and brand positioning.
- Customer Support: Ensures seamless client interactions and problem resolution.
Each department’s recruitment rounds are tailored to specific skills and competencies, which means candidates should align preparation accordingly.
Compensation and Salary Perspective
| Role | Estimated Salary (Annual in RUB) |
|---|---|
| Junior Software Engineer | 1,200,000 – 1,800,000 |
| Senior Software Engineer | 2,500,000 – 3,500,000 |
| Product Manager | 2,000,000 – 3,000,000 |
| Data Analyst | 1,500,000 – 2,200,000 |
| Marketing Specialist | 1,200,000 – 1,800,000 |
Compared to industry peers in Russia, Ostrovok.ru offers competitive packages but tends to focus on total compensation, including bonuses and perks. Salary ranges vary depending on experience, role, and negotiation, but candidates report that transparency during offer discussions is fairly standard.
Interview Difficulty Analysis
Candidates often mention that Ostrovok.ru’s interview process strikes a balance between challenge and fairness. The technical interviews can be tough, especially for engineering roles, demanding a solid understanding of algorithms and system design. Yet, the interviewers usually provide hints and encourage dialogue, which lessens the pressure.
The HR and culture fit interviews are generally straightforward, but the subtlety lies in demonstrating the right mindset rather than reciting rehearsed answers. Many applicants find that preparation for behavioral questions and industry knowledge tips the scales in their favor.
Compared to other travel tech players, Ostrovok.ru’s process is neither overly prolonged nor superficial. The recruitment rounds feel purposeful, aiming to uncover a candidate’s genuine abilities and potential—so it’s not just about passing tests but connecting with the team’s ethos.
Preparation Strategy That Works
- Research the Company Thoroughly: Understand their product offerings, market position, and recent news. It helps craft meaningful answers during HR interviews.
- Practice Role-Specific Technical Skills: For developers, dedicate time to solving algorithm problems and system design. Product managers should prepare case studies revolving around user experience and data-driven decision-making.
- Mock Behavioral Interviews: Use the STAR method (Situation, Task, Action, Result) to concisely narrate work experiences that demonstrate problem-solving, teamwork, and adaptability.
- Refine Communication Skills: Articulate your thought process clearly during technical problems. Interviewers appreciate candidates who ‘think out loud’ rather than silently struggle.
- Understand Travel Industry Trends: Showing awareness of current challenges and innovations in travel tech can set you apart.
- Prepare Questions for Interviewers: Inquiring about team dynamics or growth opportunities shows genuine interest and helps you assess fit.
Work Environment and Culture Insights
From conversations with former and current employees, Ostrovok.ru fosters a collaborative yet fast-paced work environment. The culture is described as dynamic and supportive, where innovation is encouraged but accountability runs deep. You’ll find cross-functional teams working closely, which makes communication skills critical.
Employees often mention the company’s openness to new ideas and a flat hierarchy that allows even junior team members to contribute meaningfully. Flexibility in work hours and remote options also hint at a modern approach to work-life balance, something many candidates appreciate in today’s market.
Career Growth and Learning Opportunities
Ostrovok.ru seems aware that retaining talent hinges on personal and professional growth. Many teams have access to mentoring, internal knowledge-sharing sessions, and budget for external training. This is especially important for tech roles where continuous learning is the norm.
Moreover, the company’s scale and diverse departments create pathways to pivot across roles or take on leadership responsibilities over time. Ambitious candidates who demonstrate initiative often find growth opportunities faster than in more rigid corporate setups.
Real Candidate Experience Patterns
Hearing from candidates, a recurring theme is the balance between challenge and warmth in the interview experience. Those who prepared beyond simple technical drills and engaged deeply with the company’s mission reported positive impressions. Some described the process as “intense but fair,” highlighting the interviewers’ human approach.
On the flip side, a few noted that the travel sector’s specific jargon and context could trip up applicants unfamiliar with it. This underscores the importance of industry research. Candidates also felt the final stages were where personality truly shone through, meaning authenticity pays off.
Comparison With Other Employers
When stacked against other travel tech platforms or Russian IT companies, Ostrovok.ru’s hiring process sits somewhere in the middle in terms of difficulty and formality. Unlike some larger international firms that may use prolonged multi-stage processes, Ostrovok.ru keeps the selection rounds focused and purposeful.
Salary packages align well with market averages, though, naturally, they might not match the biggest global players. However, the company’s emphasis on culture and growth opportunities often appeals more to candidates seeking long-term engagement rather than just a paycheck.
| Aspect | Ostrovok.ru | Large Global Competitor | Local Russian IT Firm |
|---|---|---|---|
| Interview Rounds | 3-4 | 5-6 | 2-3 |
| Salary Competitiveness | Moderate to High | High | Low to Moderate |
| Company Culture Emphasis | Strong | Variable | Often Less Focused |
| Candidate Experience | Personalised | Standardized | Inconsistent |
Expert Advice for Applicants
Don’t underestimate the power of tailored preparation. Understand the nuances of the travel booking industry and Ostrovok.ru’s competitive advantages. Tailor your resume to highlight relevant achievements rather than dumping standard job descriptions.
During interviews, show your enthusiasm for the company’s mission. At the same time, be ready to back up your claims with concrete examples and thoughtful answers. If you’re applying for technical roles, consistent practice with coding challenges and design problems is crucial—don’t wing it.
Lastly, remember that interviews are two-way streets. Prepare thoughtful questions about team culture, project roadmaps, and learning opportunities to demonstrate engagement and choose wisely if you get the offer.
Frequently Asked Questions
What is the typical hiring process duration at Ostrovok.ru?
Usually, the process takes about two to four weeks from application to offer. However, this can vary depending on the role and the candidate’s availability for interviews.
Are technical tests conducted online or onsite?
Most technical interviews start online, including coding tasks or system design discussions via video calls. Sometimes, depending on the role, an onsite follow-up may be requested.
Does Ostrovok.ru offer internships or entry-level roles?
Yes, the company occasionally hires interns and junior positions, especially in engineering and marketing. These roles provide a solid foundation and potential for permanent employment.
How important is prior experience in the travel industry?
While not always mandatory, having experience or knowledge of travel tech definitely strengthens your application as it shows familiarity with domain-specific challenges.
What are the work-life balance expectations?
Ostrovok.ru promotes a flexible work environment with respect for personal time. While deadlines can get intense, the culture supports reasonable hours and remote work options.
Final Perspective
Landing a role at Ostrovok.ru means entering a lively, evolving sector where technology meets travel convenience. The hiring process is designed to uncover not just technical acumen but genuine passion for innovation and teamwork. While the interview rounds demand solid preparation and candid communication, they also provide candidates with a fair chance to shine.
For job seekers, the key lies in blending thorough company and industry research with honing role-specific skills and maintaining authenticity throughout. Ostrovok.ru offers a professional yet engaging recruitment experience that, in many ways, mirrors the company itself—dynamic, growth-oriented, and people-focused.
If you’re ready to embrace challenges and contribute to shaping the future of travel booking in Russia and beyond, Ostrovok.ru might just be the right place to grow your career.
ostrovok.ru Interview Questions and Answers
Updated 21 Feb 2026Data Analyst Interview Experience
Candidate: Svetlana P.
Experience Level: Junior
Applied Via: Company career portal
Difficulty:
Final Result: Rejected
Interview Process
3
Questions Asked
- Explain how you would clean a messy dataset.
- What experience do you have with SQL and Python?
- Describe a project where your analysis impacted business decisions.
Advice
Focus on strengthening your technical skills and prepare to discuss your analytical projects in detail.
Full Experience
The interview process was thorough with a technical test followed by behavioral and technical interviews. They emphasized practical skills and problem-solving abilities.
Marketing Manager Interview Experience
Candidate: Igor V.
Experience Level: Mid-level
Applied Via: LinkedIn application
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Describe a successful marketing campaign you led.
- How do you measure ROI for digital marketing?
- What tools do you use for market analysis?
Advice
Prepare concrete examples of your past marketing successes and be ready to discuss analytics tools.
Full Experience
The process included a phone interview, a case study presentation, and a final meeting with the marketing team. They valued creativity and data-driven decision making.
Customer Support Specialist Interview Experience
Candidate: Elena M.
Experience Level: Entry-level
Applied Via: Job fair
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- How do you handle difficult customers?
- Are you comfortable working in shifts?
Advice
Show empathy and patience, and be clear about your availability.
Full Experience
After a brief phone screening, I was invited for an in-person interview where they tested my communication skills and situational responses. The environment was friendly and supportive.
Product Manager Interview Experience
Candidate: Dmitry K.
Experience Level: Senior
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- How do you prioritize features in a product roadmap?
- Describe a time you handled conflicting stakeholder requests.
- What metrics do you track for product success?
- How would you improve our booking platform?
Advice
Prepare to demonstrate strong product sense and stakeholder management skills, and research the company's products thoroughly.
Full Experience
The interview process was intense with multiple rounds including a case study presentation. The team was very focused on how I approach problem-solving and product strategy.
Software Engineer Interview Experience
Candidate: Anna S.
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain the difference between REST and SOAP APIs.
- How would you optimize a slow database query?
- Describe a challenging bug you fixed in a previous project.
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 in-person interview where I met the team and discussed practical coding problems and my previous experience.
Frequently Asked Questions in ostrovok.ru
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in ostrovok.ru
Q: A man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
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: 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: 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: 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: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
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: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
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: 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?...
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
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: 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