About CETAS Information Technology
Company Description
CETAS Information Technology is a leading provider of innovative technology solutions, specializing in software development, IT consulting, and digital transformation services. The company prides itself on fostering a collaborative work culture that promotes creativity, continuous learning, and professional growth. Employees at CETAS enjoy a dynamic and inclusive environment where teamwork and open communication are encouraged. The organization places a strong emphasis on work-life balance, ensuring that employees can thrive both professionally and personally. With a focus on cutting-edge technology and a commitment to delivering exceptional results to clients, CETAS Information Technology stands at the forefront of the IT industry.
Software Developer 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 in various projects, including web development and backend systems.
Q2: Can you describe a challenging project you worked on and how you overcame the challenges?
In a recent project, I faced challenges with integrating multiple APIs. I overcame this by breaking down the problem into smaller tasks and conducting thorough research on best practices. I also collaborated with team members to brainstorm solutions, which ultimately led to a successful integration.
Q3: How do you ensure the quality of your code?
I ensure the quality of my code by following coding standards, conducting code reviews, and writing unit tests. I also use version control systems like Git to track changes and collaborate effectively with my team.
Q4: What is your experience with Agile methodologies?
I have worked in Agile environments for several years. I am familiar with Scrum and Kanban methodologies and have participated in daily stand-ups, sprint planning, and retrospectives to enhance team productivity and project outcomes.
Q5: How do you stay updated with the latest technology trends?
I stay updated with the latest technology trends by following industry blogs, participating in online forums, and attending webinars or tech meetups. Continuous learning is essential in this fast-paced industry.
IT Consultant Interview Questions
Q1: What experience do you have in IT consulting?
I have over five years of experience in IT consulting, where I have worked with various clients to assess their IT infrastructure, recommend solutions, and implement technology strategies that align with their business goals.
Q2: How do you approach problem-solving for clients?
My approach involves first understanding the client's business needs and objectives. I then conduct a thorough analysis of their existing systems and processes, followed by presenting tailored solutions that address their specific challenges.
Q3: Can you give an example of a successful project you managed?
One successful project involved helping a client migrate their legacy systems to a cloud-based solution. I led the project team, coordinated with stakeholders, and ensured a smooth transition, resulting in improved efficiency and cost savings for the client.
Q4: How do you handle difficult clients or situations?
I believe in maintaining open communication and actively listening to clients' concerns. By addressing their issues promptly and providing clear explanations, I can build trust and work towards a resolution collaboratively.
Q5: What tools do you use to manage projects?
I use various project management tools such as JIRA and Trello to track progress, manage tasks, and facilitate team collaboration. These tools help in keeping all stakeholders informed and aligned throughout the project lifecycle.
Data Analyst Interview Questions
Q1: What data analysis tools and software are you familiar with?
I am proficient in tools such as Excel, SQL, and Tableau. I have used these tools to analyze data sets, create visualizations, and derive actionable insights for decision-making.
Q2: Can you walk me through your process for analyzing data?
My process begins with defining the objectives and key questions. I then collect and clean the data, conduct exploratory data analysis, and use statistical methods to draw conclusions. Finally, I present my findings in a clear and concise manner.
Q3: How do you ensure data accuracy in your analyses?
I ensure data accuracy by validating data sources, performing quality checks during data cleaning, and cross-referencing results with known benchmarks or historical data.
Q4: Describe a time when you provided insights that influenced a business decision.
In a previous role, I analyzed customer behavior data and identified trends that indicated a shift in preferences. I presented this analysis to the management team, leading to a strategic pivot in our marketing approach, which improved customer engagement.
Q5: How do you stay current with data analytics trends and technologies?
I stay current by following industry publications, participating in online courses, and engaging with professional communities on platforms like LinkedIn. This allows me to keep up with emerging tools and methodologies in data analytics.
Company Background and Industry Position
CETAS Information Technology has steadily carved a niche in the Indian IT landscape through its focus on data analytics, digital transformation solutions, and cloud consulting. Founded in the early 2010s, CETAS operates with a boutique ethos—combining agile project management with deep technical expertise. While it isn’t the sprawling tech giant like TCS or Infosys, CETAS holds a respected position for delivering tailored, data-driven solutions primarily to BFSI (Banking, Financial Services, and Insurance) clients and retail sectors. This specialization means their recruitment strategy is nuanced, targeting candidates who not only possess technical chops but also an aptitude for industry-specific problem solving.
In an increasingly competitive IT market, CETAS has managed to strike a balance between innovation and client-centric delivery. Their workforce is relatively lean compared to larger firms, which often translates into more direct involvement with projects and faster learning curves for new hires. For job seekers, understanding CETAS’s mid-sized, specialized status is critical—it shapes expectations around the interview intensity, role diversity, and the kind of candidate experience they offer.
How the Hiring Process Works
- Initial Application Screening – CETAS typically starts by filtering resumes through both automated tools and manual HR screening to align candidate profiles with their specific eligibility criteria, such as relevant technical skills or educational background. This step weeds out incompatible applications early, ensuring recruiters focus on fit.
- Aptitude and Technical Assessment – Candidates usually face an online evaluation measuring their logical reasoning, quantitative skills, and foundational programming knowledge. This assessment acts as a gatekeeper, separating those with core competencies from others, reflecting CETAS's preference for problem-solving ability over rote memorization.
- Technical Interview – This is the meat of the process. Conducted either virtually or onsite, the technical interview delves into coding challenges, data structures, algorithms, and sometimes domain-specific scenarios (like banking use cases). Interviewers probe not only for correct answers but also for thought process clarity and adaptability under pressure.
- HR Interview – Beyond gauging cultural fit and communication skills, HR explores candidates’ motivations, career aspirations, and understanding of CETAS’s work ethos. This round helps determine alignment with company values and the candidate's long-term potential.
- Final Offer and Negotiation – Successful candidates receive an offer detailing the salary range, benefits, and joining formalities. Negotiations, while possible, tend to be grounded in market realities; CETAS offers competitive but modest compensation aligned with its mid-size status.
Interview Stages Explained
Initial Screening: The Gatekeeper of Fit
The first hurdle is more than a perfunctory filter. CETAS’s recruiters look for crisp, customized resumes highlighting relevant skills—Java, Python, SQL, cloud platforms, or analytics tools like Tableau. They also pay attention to educational pedigree, particularly from engineering or computer science backgrounds. Interestingly, candidates who show some domain knowledge related to their client verticals often gain an edge here, which reveals CETAS’s preference for immediately deployable talent.
Aptitude and Technical Assessment: Testing the Core
This round isn’t just about answering tricky questions; it’s designed to assess a candidate’s problem-solving mindset. Candidates often find the reasoning and quantitative sections fair but tightly timed. The coding section typically involves algorithmic problems—sorting, searching, recursion—that test basic programming fluency. The underlying reason CETAS invests in this stage is to minimize chances of technical mismatches later in interviews, ensuring those who advance have a solid foundation.
Technical Interview: Deep Dive into Skills and Thinking
Here lies the true challenge. Interviewers often start with simple coding tasks but quickly escalate to optimization problems or system design queries, especially for mid-level or senior roles. They expect clear articulation—candidates should “think aloud” and discuss trade-offs. Technical questions are often contextualized within CETAS’s service lines, e.g., how to handle data ingestion in a cloud environment or design a fraud detection algorithm, reflecting their industry focus. This stage also evaluates familiarity with tools like AWS, Azure, or specific analytics frameworks, which separate average candidates from standout ones.
HR Interview: Beyond Technical Skills
By the time candidates reach HR, they've passed a gauntlet of technical filters. Now, recruiters assess cultural fit—can the candidate thrive in CETAS’s collaborative yet fast-paced setting? They ask situational questions, probe about teamwork experiences, and gauge commitment levels. This round is strategic: CETAS values employees who see themselves growing with the company’s evolving portfolio. Candidates often note the HR interview is conversational but with a clear expectation of sincerity and clarity.
Offer and Onboarding
Offers are generally transparent in terms of salary range and benefits, with some room for negotiation depending on experience and skillset. The onboarding process is structured to facilitate swift immersion into projects, reflecting the company's emphasis on high-impact contributions from day one.
Examples of Questions Candidates Report
- Explain the difference between overloading and overriding in OOP.
- Write a function to reverse a linked list—explain your approach.
- How would you optimize a SQL query that takes too long to execute?
- Scenario: Design a basic recommendation engine for an e-commerce platform.
- What are the benefits and challenges of migrating applications to the cloud?
- HR: Describe a time when you handled a conflict within your team.
- Logical reasoning: If all roses are flowers and some flowers fade quickly, can we say some roses fade quickly?
- What motivates you to work in a data analytics-focused firm like CETAS?
Eligibility Expectations
CETAS Information Technology typically sets its bar at candidates holding a Bachelor’s degree in Engineering or Computer Science, though exceptional candidates with relevant certifications like AWS, Azure, or specialized analytics training have been considered. Fresh graduates are welcomed but having internships or project experience related to data analytics, cloud computing, or software development substantially improves the odds. A strong grasp of at least one programming language (Java, Python, or C++) is generally non-negotiable.
Moreover, the company expects candidates to have solid communication skills and basic familiarity with client-facing scenarios since many roles involve direct interaction with clients or stakeholders. For senior roles, leadership and domain expertise in banking or retail are often prerequisites.
Common Job Roles and Departments
Given CETAS’s specialized business model, their recruitment primarily revolves around these key roles and departments:
- Data Analysts and Data Scientists: Analysts skilled in statistical tools, predictive modeling, and visualization platforms who help clients make data-driven decisions.
- Cloud Engineers: Professionals managing cloud infrastructure on AWS, Azure, or GCP, focusing on migration, deployment, and optimization.
- Software Developers: Backend and full-stack developers working with Java, Python, and modern frameworks to build scalable applications.
- Quality Assurance Engineers: Testers focusing on automation and manual testing in agile environments, ensuring software reliability and performance.
- Project Managers and Business Analysts: Roles that connect the dots between technical teams and clients, emphasizing communication and delivery excellence.
Each department's recruitment nuances differ, reflecting the technical depth or client interaction levels required. For instance, data roles demand rigorous statistical knowledge, while developer roles emphasize coding skills and system design.
Compensation and Salary Perspective
| Role | Estimated Salary (INR per annum) |
|---|---|
| Entry-Level Software Developer | 3.5 Lakh – 5 Lakh |
| Data Analyst | 4 Lakh – 6 Lakh |
| Cloud Engineer | 5 Lakh – 8 Lakh |
| Quality Assurance Engineer | 3.5 Lakh – 5.5 Lakh |
| Project Manager | 7 Lakh – 12 Lakh |
These figures illustrate CETAS’s positioning in the mid-tier segment—competitive against boutique firms but generally lower than multinational IT giants. Candidates should temper salary expectations accordingly but also consider the potential for rapid skill development and close client engagement as valuable compensation forms.
Interview Difficulty Analysis
From candidates’ feedback and my own analysis, CETAS interviews strike a balance between challenging and achievable. The technical rounds are certainly not walk in the park—expect tough algorithm questions and case studies that assess practical problem-solving rather than textbook answers. However, the difficulty is often tailored to the role; junior positions lean more on fundamentals, while senior roles push candidates to demonstrate strategic thinking and domain insight.
What sets CETAS apart is the consistent emphasis on clarity of thought and communication during interviews. Many candidates report that hesitation or inability to explain their approach costs them more than minor technical mistakes. It’s less about “gotcha” questions and more about genuine assessment of fit and potential.
Preparation Strategy That Works
- Understand CETAS’s Business Context: Familiarize yourself with their focus sectors (BFSI, retail) and how IT solutions apply there. This insight helps in domain-specific queries.
- Sharpen Core Programming Skills: Practice data structures, algorithms, and coding problems on platforms like LeetCode or HackerRank. Emphasize clarity over speed.
- Review Cloud Fundamentals: Even a basic understanding of cloud services (AWS, Azure) can boost your technical interview performance.
- Practice Mock Interviews: Simulate both technical and HR interviews with peers or mentors to gain confidence in articulating your thoughts.
- Prepare Your Stories: For HR rounds, reflect on past experiences that highlight teamwork, problem-solving, and adaptability—qualities CETAS values highly.
- Stay Updated with Analytics Tools: If applying for data roles, brush up on visualization tools and statistical concepts relevant to the industry.
Work Environment and Culture Insights
CETAS cultivates a culture that’s both collaborative and performance-driven. Candidates often describe an environment where innovation is encouraged but within realistic client delivery timelines. Unlike massive corporations with bureaucratic layers, CETAS’s smaller teams mean your contributions are more visible and valued.
The company promotes continuous learning, with regular training sessions and knowledge-sharing forums. Flexibility and work-life balance tend to be reasonable, though peak project delivery times demand extra effort. The multicultural and cross-functional teams add to the enriching work atmosphere. However, some have noted that fast project turnarounds require resilience and adaptability to shifting requirements.
Career Growth and Learning Opportunities
Because of CETAS’s boutique nature, career progression is often merit-based and faster for those who demonstrate initiative and a growth mindset. Employees get exposure to client interactions early, boosting not only technical but soft skills. The company invests in upskilling through certifications, workshops, and mentoring programs.
Moreover, the variety of projects—from cloud migration to advanced analytics—allows professionals to broaden their skill sets organically. Though they may not offer the vast vertical scope of larger firms, CETAS’s focused portfolio enables deep specialization, which can be a powerful career accelerant.
Real Candidate Experience Patterns
Talking with candidates who have been through CETAS’s recruitment often reveals a mixed bag of emotions—excitement, nervousness, and gradual confidence building. Many mention the initial assessment as the anxious gatekeeper that filters most applicants quickly. Those who clear it usually find the technical interview demanding but fair, appreciating the interviewers’ patience when candidates think aloud.
One memorable story involved a candidate who was initially stuck on a complex coding problem but was encouraged by the interviewer to approach the problem differently, turning the interview into a collaborative effort rather than a grilling session. These moments stand out because CETAS seems to reward genuine engagement over rehearsed answers.
Conversely, a few candidates felt the HR rounds were less structured, sometimes varying widely depending on the interviewer’s style, which reflects the company’s evolving human resources processes as they scale.
Comparison With Other Employers
Compared to giant Indian IT firms, CETAS offers a more intimate, focused recruitment experience. While companies like Infosys or Wipro have standardized and layered hiring processes, CETAS’s approach is straightforward, emphasizing quality over quantity. This difference manifests in interview intensity—larger firms may have multiple technical rounds with standardized tests, whereas CETAS combines technical and domain evaluation fluidly.
When measured against startups or newer tech firms, CETAS provides more structured career growth and stability but slightly less flexibility and innovation freedom. The salary packages also tend to be more predictable than startups, which might offer equity but with higher risk.
For candidates aiming to work in niche analytics-driven IT consulting, CETAS represents a solid middle ground—offering both stability and meaningful technical challenge without the overwhelming scale of multinational giants.
Expert Advice for Applicants
Prepare with the company’s business model in mind. Don’t just learn coding questions—understand why they matter to CETAS’s clients. When answering questions, slow down and articulate your thought process; interviewers want to see your problem-solving journey.
Approach the HR interview as a two-way street. Ask about growth paths, team structures, and ongoing projects—it shows genuine interest and helps you assess cultural fit. Also, be ready to discuss any technical project you’ve worked on in detail, especially focusing on challenges and your role.
Finally, don’t underestimate the power of soft skills. CETAS’s client-centric approach means communication and collaboration are crucial. Candidates who blend technical expertise with clear, confident interaction tend to shine.
Frequently Asked Questions
What are the typical recruitment rounds at CETAS Information Technology?
The process usually includes an initial resume screening, an online aptitude and technical test, a thorough technical interview, followed by an HR round before the final offer.
How technical are the interviews for entry-level roles?
Entry-level interviews focus on basic programming, problem-solving aptitude, and understanding of core concepts, but still expect clear explanation and logical thinking.
Does CETAS Information Technology consider fresh graduates?
Yes, fresh graduates with relevant internships or project experience are welcome, provided they meet the eligibility criteria and demonstrate foundational skills.
What salary range can a new graduate expect at CETAS?
Typically, entry-level developers or analysts can expect around INR 3.5 to 5 Lakh per annum, which is competitive within the mid-sized IT company segment.
How important is domain knowledge for the selection process?
While not mandatory for all roles, domain knowledge in BFSI or retail sectors can significantly enhance a candidate’s prospects, especially for specialized technical or analyst positions.
Is there scope for career growth within CETAS?
Definitely. CETAS promotes merit-based progression, continuous learning, and offers opportunities to engage with multiple client projects enhancing both technical and managerial skills.
Final Perspective
Landing a role at CETAS Information Technology means entering a workspace where technical rigor meets client-focused innovation. The interview process is thoughtfully designed to identify candidates who can adapt, communicate, and contribute meaningfully from early on. It might not have the glitz of a multinational but offers stability, a collaborative culture, and real-world learning that many job seekers crave.
Prepare thoroughly but don’t just memorize answers. Understand the ‘why’ behind every recruitment step and tailor your preparation accordingly. If you value working in a mid-sized firm with specialization and close-knit teams, CETAS could be the perfect springboard for your IT career.
CETAS Information Technology Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Meera Joshi
Experience Level: Mid-level
Applied Via: Employee referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain CI/CD pipeline and tools you have used.
- How do you manage infrastructure as code?
- Describe a time you automated a manual process.
- What monitoring tools do you prefer and why?
- How do you troubleshoot deployment failures?
Advice
Strengthen your knowledge of cloud platforms and scripting languages.
Full Experience
The process was technical and challenging, including practical tests on scripting and infrastructure management. The interviewers expected strong hands-on experience with AWS and automation tools.
Business Analyst Interview Experience
Candidate: Karan Singh
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- How do you gather requirements from stakeholders?
- Describe a challenging project and how you managed it.
- What tools do you use for data analysis?
- Explain how you handle conflicting requirements.
- Provide an example of process improvement you implemented.
Advice
Prepare to discuss your communication skills and project management experience.
Full Experience
The interviews included a case study and behavioral questions. The panel was interested in how I handled real-world business challenges and stakeholder management.
Quality Assurance Engineer Interview Experience
Candidate: Sneha Patel
Experience Level: Senior
Applied Via: Company website
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- What testing frameworks have you used?
- How do you prioritize test cases?
- Explain the difference between black box and white box testing.
- Describe a time you found a critical bug.
- How do you ensure test coverage?
Advice
Be clear about your testing methodologies and provide examples from your experience.
Full Experience
The interview was straightforward with a focus on practical QA scenarios and tools. The HR round was brief and focused on work culture and expectations.
Data Scientist Interview Experience
Candidate: Rohit Verma
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain the difference between supervised and unsupervised learning.
- How do you handle missing data?
- Describe a machine learning project you worked on.
- Write SQL queries to extract data from multiple tables.
- What is overfitting and how do you prevent it?
Advice
Gain more hands-on experience with real datasets and improve your SQL skills.
Full Experience
The interview process was intense with multiple rounds including a coding test, technical interviews, and a case study presentation. The technical questions were deep and required strong fundamentals in statistics and programming.
Software Engineer Interview Experience
Candidate: Anita Sharma
Experience Level: Mid-level
Applied Via: Online job portal
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain OOP concepts with examples.
- How do you manage memory in Java?
- Describe a challenging bug you fixed.
- Write a function to reverse a linked list.
- What is REST API and how have you used it?
Advice
Brush up on data structures and algorithms, and be ready to discuss past projects in detail.
Full Experience
The process started with an online coding test, followed by a technical interview focusing on Java and data structures. The final round was an HR interview assessing cultural fit and communication skills. The interviewers were friendly and the questions were practical.
Frequently Asked Questions in CETAS Information Technology
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in CETAS Information Technology
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: 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: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
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 long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: 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: 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: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: 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
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A man driving the car at twice the speed of auto one day he was driven car for 10 min. and car is failed. he left the car and took auto to go to the office .he spent 30 min. in the auto. what will be the time take by car to go office?
Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?
Q: In mathematics country 1,2,3,4....,8,9 are nine cities. Cities which form a no. that is divisible by 3 are connected by air planes. (e.g. cities 1 & 2 form no. 12 which divisible by 3 then 1 is connected to city 2). Find the total no. of ways you can go to 8 if you are allowed to break the journeys.
Q: Four persons have to cross the bridge they are having one torch light. Four persons take 1,2,5,10 minutes respectively, when two persons are going they will take the time of the slowest person. What is the time taken to cross by all of them.