About ribbon communications
Company Description
Ribbon Communications is a global leader in real-time communications software and network solutions. The company develops innovative technologies for service providers, enterprises, and government organizations, specializing in voice, video, messaging, and security solutions over IP networks. Ribbon’s offerings include Session Border Controllers (SBCs), SIP Trunking, cloud communications, analytics platforms, and cybersecurity solutions tailored to modern communication infrastructures.
The company emphasizes innovation, research and development, and high-performance solutions that enable reliable and secure communication. Ribbon Communications operates across multiple geographies, serving clients from telecommunications operators to enterprise IT departments, helping them transform and modernize their communication networks.
Work Culture and Job Environment
Ribbon Communications fosters a dynamic, collaborative, and innovation-driven work culture. The company emphasizes professional growth, skill development, and a technology-first mindset. Employees are encouraged to contribute ideas, experiment with new tools, and participate in cross-functional projects.
The work environment is fast-paced, challenging, and rewarding, promoting teamwork, problem-solving, and delivering high-quality products. Employees have access to continuous learning programs, internal workshops, and opportunities to work on cutting-edge network and communication technologies. Ribbon promotes a healthy balance of autonomy, accountability, and collaboration, creating a supportive yet results-driven environment.
Job Roles and Interview Questions
1. Network Engineer
Skills (for reference): SIP, VoIP, RTP, ISUP, network design, troubleshooting, routers/switches, network security, QoS
Previous Roles (for reference): Network Analyst, Telecom Engineer, Systems Engineer
Q1: What is SIP and why is it critical in VoIP communications?
SIP (Session Initiation Protocol) is used to establish, manage, and terminate communication sessions like voice or video calls. It is essential for signaling and control in VoIP systems.
Q2: How do you troubleshoot dropped calls or jitter in a VoIP network?
By analyzing call logs, measuring latency, packet loss, checking firewall rules, and verifying SIP/RTP stream configurations.
Q3: Explain the difference between RTP and RTCP.
RTP carries real-time media streams, while RTCP monitors transmission quality and provides feedback on packet loss, delay, and jitter.
Q4: How do you secure VoIP networks?
Using SRTP encryption, strong authentication, firewall policies, VPNs for secure tunnels, and continuous monitoring for anomalies.
Q5: Describe your experience with network optimization.
Implementing QoS policies, optimizing routing, and reducing latency to improve call quality in multi-site enterprise networks.
Q6: How do you integrate SIP trunks with enterprise PBX?
Configuring endpoints, validating codecs, establishing proper routing, and performing test calls for reliability.
Q7: What tools do you use for network monitoring and troubleshooting?
Wireshark, ping/traceroute, SNMP monitoring, and vendor-specific network management tools.
2. Software Developer
Skills (for reference): C++, Java, Python, API development, real-time communications, Linux, multi-threading
Previous Roles (for reference): Junior Developer, Backend Developer, Systems Software Engineer
Q1: What is your experience with real-time communication applications?
Developed modules for SIP signaling, media handling, and API integration for real-time voice and video services.
Q2: How do you ensure high performance in software?
Optimizing algorithms, reducing latency, handling concurrency efficiently, and profiling resource usage.
Q3: Explain a challenging debugging scenario.
Resolved intermittent media stream drops due to thread conflicts in a multi-platform SIP application.
Q4: How do you implement secure communications in software?
Using TLS for signaling, SRTP for media, enforcing authentication, and validating encryption protocols.
Q5: How do you handle scalability in communication platforms?
Through distributed architecture, load balancing, database optimization, and efficient API design.
Q6: Describe your experience integrating APIs in telecom systems.
Integrated REST and WebSocket APIs to manage call routing, real-time monitoring, and reporting analytics.
Q7: How do you ensure your code is maintainable and scalable?
Using modular design, code reviews, consistent documentation, and adherence to coding standards.
3. QA Engineer
Skills (for reference): Manual/automated testing, VoIP testing, Selenium, JMeter, bug tracking, network simulation
Previous Roles (for reference): QA Tester, Test Engineer, Software Tester
Q1: How do you test VoIP applications for quality?
By verifying call setup, latency, packet loss, jitter, audio/video quality, and handling edge cases like busy lines.
Q2: What automated testing tools have you used?
Selenium, JMeter, and custom scripts for regression, load, and functional testing of communication systems.
Q3: How do you perform regression testing in telecom software?
By maintaining test scripts, validating core workflows, and testing across platforms to ensure stability.
Q4: How do you report defects?
Documenting clear steps, severity, screenshots, and collaborating with developers until resolution.
Q5: How do you test network security in telecom apps?
Simulating attacks, validating encryption, checking authentication, and verifying compliance with standards.
Q6: How do you prioritize testing under tight deadlines?
By focusing on high-risk areas, critical functionalities, and using automation to save time.
Q7: How do you validate real-time performance in communication systems?
By measuring latency, jitter, packet loss, and performing stress tests under simulated network conditions.
4. Project Manager
Skills (for reference): Project planning, resource management, Agile, Scrum, risk management, client coordination
Previous Roles (for reference): Project Coordinator, Program Manager, Technical Lead
Q1: How do you manage multiple communication projects simultaneously?
By prioritizing tasks, delegating responsibilities, tracking progress through tools like JIRA/MS Project, and maintaining clear communication.
Q2: How do you ensure projects meet deadlines and quality standards?
Through proper planning, continuous monitoring, risk mitigation, and team alignment with project goals.
Q3: How do you handle scope changes from clients?
By assessing impact, communicating adjustments to stakeholders, and revising timelines and resources.
Q4: Describe a challenging project and how you managed it.
Led a multi-site VoIP deployment, coordinating across teams, resolving conflicts, and delivering on time with high quality.
Q5: How do you manage client expectations?
Through regular updates, transparent reporting, and proactive issue resolution.
Q6: How do you handle risk management in projects?
By identifying risks early, planning mitigation strategies, and monitoring continuously.
Q7: What methodologies do you follow for project execution?
Agile and Scrum for iterative delivery, with regular sprints, stand-ups, and review sessions.
Company Background and Industry Position
Ribbon Communications, a notable player in the telecommunications sector, has steadily carved out a niche with its focus on real-time communications software and network solutions. Emerging from the consolidation of several industry veterans, Ribbon has made a name by providing scalable, software-centric solutions that cater to service providers, enterprises, and critical infrastructure markets. In a landscape dominated by rapid technological advances and fierce competition from giants like Cisco and Nokia, Ribbon’s approach leans heavily on innovation blended with practical, deployable technology.
Understanding this context is crucial for candidates. The company values adaptability and technical prowess, but also an ability to align with market trends such as 5G evolution, cloud-native architectures, and security integration. The recruitment strategy mirrors this dual focus: they seek candidates who can not only code or manage projects but also think ahead about where communications technology is heading.
How the Hiring Process Works
- Application and Resume Screening: This is where your experience with telecom technologies, software skills, and relevant certifications get noticed. Ribbon’s HR team filters candidates against specific eligibility criteria such as a background in network engineering, software development, or product management.
- Initial HR Interview: A straightforward conversation mainly to gauge your communication skills, cultural fit, and motivation. Don’t underestimate this stage; your enthusiasm and clarity can set you apart.
- Technical Interview Rounds: Depending on the job role, you might face multiple rounds. For software roles, expect coding challenges and system design questions. Network roles dive deeper into protocol troubleshooting and architecture. This is where the technical interview reveals your problem-solving approach and domain expertise.
- Managerial or Leadership Interview: Here, the focus shifts to your project management skills, teamwork, and strategic thinking. Interviewers often probe how you’ve handled difficult situations or led initiatives, reflecting Ribbon’s emphasis on collaborative innovation.
- Offer and Negotiation: Successful candidates receive an offer outlining salary, benefits, and joining timelines. Negotiations are typically professional but firm—knowing market salary ranges beforehand helps.
This sequence isn't arbitrary. Ribbon’s layered approach weeds out mismatches early, then progressively tests deeper technical and interpersonal competencies, ensuring only the best-aligned candidates move forward.
Interview Stages Explained
Resume Screening and Initial Contact
This step is more than just scanning for keywords. Recruiters pay attention to how well your past roles and achievements tie into Ribbon’s core business areas. For instance, if you’re applying for a network engineer position, highlighting experience with SIP, VoIP, or cloud networking can make your resume stand out.
HR Interview
Expect open-ended questions such as “Why Ribbon?” or “Describe a time you overcame a challenging team dynamic.” This isn’t a test of technical ability but more a temperature check on whether you’ll thrive in Ribbon’s culture, which values agility and innovation. Candidates often notice the HR interviewer trying to paint a picture of the company’s values while assessing genuine interest.
Technical Assessments
Technical rounds differentiate based on roles. Software developers might see live coding exercises or whiteboard sessions focusing on algorithms and data structures. Network engineers often encounter scenario-based questions involving network failures or protocol optimization. It’s a practical test—Ribbon wants to know if you can think on your feet and apply knowledge, not just recite facts.
Managerial or Panel Interviews
This stage is a bit more conversational but intense. Candidates report that interviewers expect clear articulation of past project outcomes and leadership experiences. It’s not just about managing people but also about driving projects that align with Ribbon’s evolving technology stack. Candidates often feel this stage reveals the company’s forward-looking mindset, where innovation is prized alongside execution.
Examples of Questions Candidates Report
- Technical Interview Questions: “Explain how RTP works in VoIP systems.” or “Write a function to detect a loop in a linked list.”
- Behavioral Questions: “Describe a time when you had to learn a new technology quickly to meet project deadlines.”
- Scenario-Based Questions: “How would you approach integrating Ribbon’s software with a legacy telecom infrastructure?”
- HR Questions: “What motivates you to work in telecommunications?”
- Managerial Rounds: “Tell us about a project you led that didn’t go as planned. What did you do?”
Eligibility Expectations
Ribbon Communications generally expects candidates to hold relevant degrees in computer science, electrical engineering, or related fields. However, the real emphasis is on hands-on experience with telecom protocols, cloud computing, and software development methodologies, depending on the role. For instance, a network engineer must be adept with SIP, SS7, or MPLS technologies, whereas a software developer should be comfortable with languages like C++, Java, or Python and understand containerization or microservices.
Certifications such as Cisco’s CCNA/CCNP or vendor-neutral cloud certificates can be advantageous but are not strictly mandatory. What Ribbon looks for is practical competence and problem-solving skills manifested through prior projects or work experience.
Common Job Roles and Departments
Ribbon’s hiring covers a broad spectrum, reflecting its multifaceted product lines. Here are some typical roles:
- Software Engineers: Focused on building core signaling, media handling, or analytics software.
- Network Engineers: Handling protocol implementation, network testing, and optimization.
- Product Managers: Bridging technical teams and market requirements to steer product roadmaps.
- Quality Assurance Specialists: Ensuring the robustness of software releases through rigorous testing.
- Sales Engineers and Support: Combining technical knowledge with customer interaction to support deployments and sales.
Each department demands a slightly different skillset and interview focus, which candidates should carefully tailor their preparation toward.
Compensation and Salary Perspective
| Role | Estimated Salary (Annual USD) |
|---|---|
| Software Engineer | 85,000 – 120,000 |
| Network Engineer | 90,000 – 125,000 |
| Product Manager | 100,000 – 140,000 |
| Quality Assurance Analyst | 70,000 – 100,000 |
| Sales Engineer | 80,000 – 130,000 + commission |
The salary ranges are competitive within the mid-to-upper telecommunications market segment, reflecting Ribbon’s status as a well-established but not giant-scale player. Understanding these figures upfront helps candidates set realistic expectations and negotiate during the offer stage.
Interview Difficulty Analysis
From the candidate perspectives, Ribbon’s hiring process strikes a moderate to challenging note. The technical rounds can be rigorous, especially for roles intertwining deep network protocol knowledge with software engineering. Candidates often find the scenario-based questions a good test of applied knowledge, rather than rote memorization. The HR and managerial interviews tend to be less strenuous but can trip up candidates who are unprepared for behavioral or leadership discussions.
Compared to bigger telecom firms or tech giants, Ribbon’s process is slightly less intimidating but still demands solid preparation. The focus on practical problem solving means that rehearsing common interview questions alone won’t suffice—candidates must understand the underlying technologies and business context.
Preparation Strategy That Works
- Deep Dive Into Telecom Fundamentals: Refresh knowledge on SIP, RTP, SS7, and networking essentials relevant to the role.
- Practice Coding and System Design: For software roles, engage with platforms like LeetCode or HackerRank focusing on algorithms and data structures. Also prepare for distributed system questions.
- Review Ribbon’s Product Lines: Study recent product announcements and how Ribbon situates itself in the 5G and cloud space.
- Mock Behavioral Interviews: Prepare stories around teamwork, leadership, and overcoming technical challenges.
- Brush Up on Industry Trends: Understand how shifts like virtualization, NFV (Network Functions Virtualization), and cloud-native architectures influence Ribbon’s solutions.
- Prepare Thoughtful Questions: Demonstrate genuine interest by asking about team dynamics, technology roadmaps, or company culture during your interviews.
Work Environment and Culture Insights
Ribbon fosters a culture that balances innovation with practical delivery. Candidates often remark on the collaborative atmosphere, where cross-functional teams work to solve complex telecom challenges. The environment encourages continuous learning but also demands accountability. Unlike large impersonal corporations, Ribbon’s size allows candidates to experience a blend of startup agility with enterprise stability.
That said, some find the pace brisk — projects move quickly and require adaptability to shifting priorities. The company values proactive employees who take ownership rather than waiting for direction. This cultural nuance often surfaces during HR and managerial interviews, making it an important aspect to understand beforehand.
Career Growth and Learning Opportunities
Opportunities at Ribbon Communications aren't just about climbing the corporate ladder. The company invests in broadening skills through exposure to emerging technologies such as 5G core implementations, AI-driven network analytics, and cloud-native solutions. For engineers and managers alike, this means the chance to work on cutting-edge projects that can shape the future of communications infrastructure.
Ribbon also encourages cross-department mobility, allowing employees to expand their expertise horizontally. For example, software engineers might get involved in product management discussions, while network engineers may participate in customer deployments. This multidimensional growth is a draw for those who value versatility alongside depth in their career.
Real Candidate Experience Patterns
Speaking with candidates who’ve been through Ribbon’s process reveals a common thread: while challenging, the hiring experience feels fair and transparent. Many appreciate how interviewers take time to explain problems and listen to answers thoughtfully. That said, some mention variability depending on the interview panel and role.
Several recall an initial nervousness around technical rounds but found that being well-prepared in core telecom concepts made the difference. The HR rounds tend to be conversational, which helps ease tension. On occasions, candidates noted that the timeline between rounds could be lengthy, requiring patience.
Overall, the candidate experience leans toward positive, especially for those who align with Ribbon’s dynamic and technically demanding environment.
Comparison With Other Employers
| Aspect | Ribbon Communications | Large Telecom Giants (e.g., Cisco) | Small Startups |
|---|---|---|---|
| Interview Complexity | Moderate to Challenging | Very Challenging | Varies, often less formal |
| Cultural Environment | Collaborative, Innovative | Structured, Process-Driven | Flexible but Risky |
| Salary Competitiveness | Mid-Upper Range | High | Variable, often equity-based |
| Career Growth | Cross-Functional Opportunities | Clear Hierarchies | Fast but Unpredictable |
| Recruitment Speed | Moderate | Slow | Fast |
Ribbon strikes a middle ground. It offers the stability and structured hiring of an established firm but retains the nimbleness that startups often boast. For candidates, this means an environment that’s both challenging and supportive, with transparent recruitment rounds.
Expert Advice for Applicants
Don’t just prepare to answer questions—prepare to engage in a dialogue. Ribbon interviewers appreciate candidates who can think aloud, ask clarifying questions, and demonstrate curiosity about the company’s technology trajectory. Be ready to share tangible examples of your work and how it connects with Ribbon’s product areas.
Moreover, tailor your preparation based on the specific job role. Network engineers should spend more time on protocol intricacies and troubleshooting scenarios, whereas software developers need to sharpen their coding skills and system design knowledge. Use the preparation phase to build confidence in explaining complex concepts simply.
Finally, keep an eye on Ribbon’s evolving business strategy by following industry news and company announcements. Showing that you understand the broader telecom landscape can give you an edge in managerial rounds where strategic thinking is evaluated.
Frequently Asked Questions
What kind of interview questions does Ribbon Communications typically ask?
They cover a mix of technical, behavioral, and scenario-based questions. Technical questions depend heavily on the role but generally test practical knowledge of telecom protocols or software engineering skills. Behavioral questions assess cultural fit, teamwork, and problem-solving abilities.
How many recruitment rounds can I expect?
Usually between three to five rounds, starting with HR screening, followed by technical assessments, and concluding with managerial interviews. Some roles may have additional rounds for specific skills or case studies.
What is the average timeline for the hiring process?
The entire process can span from two weeks to over a month, depending on the role and interview scheduling. Delays between rounds are not uncommon, so patience is key.
Are there any specific certifications required for network engineering roles?
Certifications like CCNA or CCNP are beneficial but not mandatory. Hands-on experience and problem-solving abilities weigh more heavily in the evaluation.
How should I negotiate salary at Ribbon?
Be informed about industry salary ranges and be realistic about your experience level. Ribbon offers competitive packages but typically maintains structured pay bands, so approach negotiations professionally and focus on overall value rather than just base salary.
Final Perspective
Interviewing at Ribbon Communications is a journey that tests not only your technical acumen but also your adaptability and alignment with a company at the crossroads of tradition and innovation in telecommunications. The recruitment process is thoughtfully designed to identify well-rounded candidates who can thrive in a changing technological landscape while contributing immediately.
If you’re eyeing a role here, immerse yourself in the telecom ecosystem, understand Ribbon’s niche and products, and hone both your hard and soft skills. The preparation can feel intense, but the payoff is meaningful—a chance to work on technology shaping how the world communicates, within a culture that values both expertise and growth.
Remember, it’s as much about showcasing what you know as demonstrating your readiness to learn and evolve alongside Ribbon Communications.
ribbon communications Interview Questions and Answers
Updated 21 Feb 2026Technical Support Engineer Interview Experience
Candidate: Emily R.
Experience Level: Mid-level
Applied Via: Employee referral
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- How do you troubleshoot customer issues?
- Describe a time you dealt with a difficult customer.
- What tools do you use for support ticket management?
- Explain the OSI model.
Advice
Demonstrate strong problem-solving and customer service skills.
Full Experience
Referred by a friend, I went through a phone screening, a technical support scenario round, and an HR interview. The interviewers valued my experience with troubleshooting and customer communication. The process was well-organized and professional.
Sales Engineer Interview Experience
Candidate: David S.
Experience Level: Entry-level
Applied Via: Campus recruitment
Difficulty: Easy
Final Result:
Interview Process
2 rounds
Questions Asked
- Explain a technical product to a non-technical audience.
- How do you handle objections during sales?
- Describe your communication style.
Advice
Focus on communication skills and understanding of the product.
Full Experience
I applied through campus recruitment and had a straightforward process with an initial HR interview and a final round with the sales manager. The questions were mostly about communication and basic technical understanding. The environment was supportive and encouraging.
Product Manager Interview Experience
Candidate: Catherine L.
Experience Level: Mid-level
Applied Via: LinkedIn job post
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- How do you prioritize product features?
- Describe a time you handled conflicting stakeholder requirements.
- What metrics do you track for product success?
- How do you work with engineering teams?
Advice
Be prepared to discuss your product management process and examples from your experience.
Full Experience
The interview process started with an HR screening, followed by a product case study presentation, and ended with a panel interview including engineering and marketing. The interviewers were interested in my approach to problem-solving and collaboration.
Network Engineer Interview Experience
Candidate: Brian K.
Experience Level: Senior
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- Explain MPLS and its benefits.
- How do you troubleshoot network latency issues?
- Describe your experience with SD-WAN solutions.
- What are the key security considerations in network design?
Advice
Brush up on advanced networking concepts and be ready for scenario-based questions.
Full Experience
I was referred by a current employee and went through a rigorous interview process including technical, scenario-based, and HR interviews. The technical rounds were challenging and focused heavily on real-world network problems. Unfortunately, I did not get the offer but received constructive feedback.
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 difference between TCP and UDP.
- Write a function to reverse a linked list.
- Describe a challenging bug you fixed in your previous job.
- How do you ensure code quality in your projects?
Advice
Prepare well for coding questions and be ready to discuss your past projects in detail.
Full Experience
I applied through the company website and was invited for a phone screening focusing on my technical background. The second round was a technical interview with coding exercises, and the final round was with the team lead discussing system design and behavioral questions. The process was smooth and the interviewers were friendly.
Frequently Asked Questions in ribbon communications
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in ribbon communications
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: 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: 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 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: 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: 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: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
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: 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: 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: 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: 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: 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
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: The profit made by a company in one year is enough to give 6% return on all shares. But as the preferred shares get on return of 7.5%, so the ordinary shares got on return of 5%. If the value of preferred shares is Rs 4,000000, then what is the va...
Q: In a certain year, the number of girls who graduated from City High School was twice the number of boys. If 3/4 of the girls and 5/6 of the boys went to college immediately after graduation, what fraction of the graduates that year went to college immediately after graduation?
Q: There are 4 cars . They all are coming from different directions. They have to cross through one square.They all arrive at the same time. Nobody stops . still there is no clash .note : They all are driving at a speed if 100 km/hr.