About rockwell automation
Company Description
Rockwell Automation is a global leader in industrial automation and digital transformation, providing innovative solutions that help businesses enhance productivity, safety, and sustainability. Founded in 1903 and headquartered in Milwaukee, Wisconsin, Rockwell Automation combines the power of software and connected services with its expertise in automation. The company is dedicated to enabling smart manufacturing through its advanced technologies in control systems, information software, and industrial connectivity.
Rockwell Automation fosters a collaborative and inclusive work culture that values diversity and encourages innovation. Employees are empowered to think creatively and contribute to the development of cutting-edge solutions. The company prioritizes continuous learning and professional development, offering various training programs and career advancement opportunities. With a commitment to work-life balance, Rockwell Automation provides a supportive environment where employees can thrive both personally and professionally.
Software Engineer Interview Questions
Q1: What programming languages are you proficient in?
I am proficient in languages such as Python, Java, and C#. I have used these languages extensively for developing applications and automating processes.
Q2: Can you describe a challenging software project you worked on?
I worked on a project that involved developing a real-time data processing application. The challenge was to ensure low latency while handling large volumes of data. I implemented a microservices architecture which improved scalability and performance.
Q3: How do you ensure the quality of your code?
I follow best practices such as writing unit tests, conducting code reviews, and using automated testing tools. I also adhere to coding standards and documentation practices to maintain code quality.
Q4: What experience do you have with Agile methodologies?
I have worked in Agile teams where we used Scrum for project management. This involved participating in sprints, daily stand-ups, and retrospectives to ensure continuous improvement and adaptation.
Q5: How do you stay updated with the latest trends in software development?
I regularly read industry blogs, participate in webinars, and attend conferences. I also engage in online coding challenges and contribute to open-source projects to enhance my skills.
Q6: Describe your experience with cloud technologies.
I have experience working with cloud platforms such as AWS and Azure. I have deployed applications on these platforms and utilized services like database management, serverless computing, and container orchestration.
Q7: How do you handle tight deadlines and pressure?
I prioritize tasks based on urgency and importance, breaking larger projects into smaller, manageable tasks. I communicate effectively with my team to ensure everyone is aligned and can assist where necessary.
Project Manager Interview Questions
Q1: Can you describe your experience managing projects?
I have over five years of experience managing projects in the automation industry. I have led cross-functional teams, ensuring that projects are delivered on time and within budget.
Q2: What project management methodologies are you familiar with?
I am familiar with Agile, Waterfall, and Hybrid methodologies. I adapt my approach based on project requirements and team dynamics to ensure efficiency.
Q3: How do you handle project scope changes?
I evaluate the impact of the change on the project timeline and budget. I communicate with stakeholders to discuss the implications and get their buy-in before implementing any changes.
Q4: How do you ensure effective communication among team members?
I establish clear communication channels and regular check-ins. I also encourage an open environment where team members can share updates and raise concerns.
Q5: Describe a time when you faced a significant project challenge.
During a project, we faced unexpected technical difficulties that threatened our timeline. I organized a brainstorming session with the team to find solutions, which led to a successful workaround and kept the project on track.
Q6: How do you measure project success?
I measure project success through key performance indicators, stakeholder satisfaction, and whether the project meets its objectives within the agreed timeline and budget.
Q7: What tools do you use for project management?
I use tools like Microsoft Project, Trello, and JIRA for planning, tracking progress, and managing resources effectively.
Automation Engineer Interview Questions
Q1: What is your experience with automation systems?
I have extensive experience with PLC programming, HMI development, and SCADA systems. I have designed and implemented automated solutions in manufacturing environments to enhance efficiency.
Q2: Can you explain the importance of safety in automation?
Safety is crucial in automation to protect personnel, equipment, and the environment. I prioritize safety by adhering to industry standards and conducting risk assessments throughout the project lifecycle.
Q3: Describe a project where you optimized an automation process.
I worked on a project where I optimized a production line by implementing a new control system that reduced cycle time by 20%. This involved analyzing existing processes and making data-driven adjustments.
Q4: How do you troubleshoot automation systems?
I follow a systematic troubleshooting process that includes checking system logs, verifying connections, and conducting tests to isolate the issue. I also collaborate with team members for insights.
Q5: What programming languages do you use for automation tasks?
I primarily use ladder logic for PLCs, along with Python and C# for scripting and integration tasks. I also have experience with SQL for database management in automation systems.
Q6: How do you keep abreast of new automation technologies?
I follow industry publications, participate in professional organizations, and attend workshops and training sessions to stay informed about advancements in automation technology.
Q7: Can you discuss your experience with industrial networking protocols?
I have worked with various industrial networking protocols such as EtherNet/IP, Modbus, and Profibus. I understand their applications and how to configure devices for effective communication within automation systems.
Company Background and Industry Position
Rockwell Automation isn’t just another name in industrial automation — it’s a heavyweight with decades of influence shaping factories and plants worldwide. Founded over a century ago, Rockwell Automation has transformed from a simple motor control manufacturer into a global leader in advanced automation solutions, including control systems, software, and digital transformation services. Their commitment to innovation and sustainability has positioned them uniquely in an increasingly competitive market of Industry 4.0.
What really sets Rockwell apart is its blend of legacy and modernization. Unlike some newer tech firms that pivot to fresh tech every few years, Rockwell anchors its innovation in decades of industrial insight. This combination makes it attractive not only to engineers but also to professionals who want stability with cutting-edge challenges. For anyone eyeing a career here, understanding the company’s industrial heritage alongside its forward-thinking ethos is crucial. It shapes everything from recruitment strategies to the kind of talent Rockwell seeks.
How the Hiring Process Works
- Application Submission – Candidates usually start by applying through Rockwell Automation’s official careers portal or via campus recruitment drives. It’s worth noting that the company values tailored resumes that reflect not only technical abilities but also an understanding of their industry niche.
- Initial Screening – HR recruiters review applications against job-specific eligibility criteria such as relevant degrees, certifications, and experience. At this stage, expect a phone call or an online screening test for some technical roles.
- Technical Assessments – Depending on the role, candidates face technical interviews or written tests. This step is designed to assess core competencies, problem-solving skills, and domain knowledge. It’s not just about what you know but how you apply it to real-world scenarios.
- HR Interview – Post technical clearance, candidates engage with HR for behavioral interviews. Rockwell puts significant emphasis here on cultural fit, communication skills, and alignment with company values.
- Final Round Managerial Interview – In many cases, especially for mid to senior roles, a final round with hiring managers or department heads seals the deal. This is where strategic thinking and role-specific insights come under the microscope.
- Offer and Negotiation – Successful candidates receive offers detailing the salary range, benefits, and other employment terms. Negotiation is possible but typically aligned within Rockwell’s structured pay scales.
This layered process reflects Rockwell’s intent to hire candidates who not only demonstrate technical prowess but also fit the company’s long-term vision. Each step exists to filter for skills, cultural alignment, and potential growth — they’re not just hoops to jump through.
Interview Stages Explained
Initial Screening and Aptitude Tests
Most candidates experience a brief phone screen or digital screening test focusing on aptitude, basic technical knowledge, and soft skills. This isn’t just formality — Rockwell uses this stage to quickly identify who has foundational understanding and communication clarity. You’ll often find questions about automation basics, numerical reasoning, or logical puzzles that reflect the problem-solving mindset expected on the job.
Technical Interview
This round dives deeper. Engineers might face questions on PLC programming, control systems, or digital networking technologies. For IT or software roles, expect queries on coding, database design, or cybersecurity fundamentals aligned with industrial applications. The goal is to simulate realistic challenges and gauge how candidates think under pressure. Interviewers often appreciate not just right answers but the thought process — so talking through your logic helps a ton.
HR Interview
Unlike some firms where HR interviews feel perfunctory, Rockwell’s HR round is quite substantive. Here, behavioral questions explore past experiences, teamwork, conflict resolution, and commitment to continued learning. They want to see if candidates embody Rockwell’s core values like integrity, innovation, and customer focus. It’s also the space where candidates discuss salary expectations and work preferences.
Managerial Round
For experienced roles, a final interview with a manager or department leader assesses strategic fit. This is less about textbook knowledge and more about vision, leadership potential, and adaptability. Candidates may be asked situational questions or presented with case studies relevant to their prospective job role — this stage sifts out those ready to contribute beyond routine tasks.
Examples of Questions Candidates Report
- Explain how you would troubleshoot a communication failure between two PLCs connected over a network.
- Describe the difference between SCADA and DCS in automation systems.
- Tell me about a time you had to resolve a team conflict during a critical project phase.
- Write a simple algorithm to monitor sensor input and trigger an alarm if values exceed a threshold.
- How would you optimize a manufacturing process using data analytics?
- What motivates you to work in the industrial automation sector?
Eligibility Expectations
Rockwell Automation’s eligibility criteria vary widely depending on the job role but tend to be fairly stringent in technical departments. For engineering roles, a Bachelor’s degree in Electrical, Mechanical, or Computer Engineering is almost a given, while software and IT positions may require degrees in Computer Science or related fields. Experience counting in years is valued, but so is relevant internship or project work, especially for entry-level roles.
Certifications like Certified Automation Professional (CAP), PMP, or specific vendor certifications (e.g., Allen-Bradley PLCs) can boost a candidate’s profile significantly. They serve as proof of specialized expertise, which Rockwell appreciates because their projects often involve complex systems requiring validated skill sets.
Language proficiency, particularly English, is essential due to the global nature of the company and frequent cross-border collaborations. Lastly, candidates should expect background verification and reference checks as part of compliance and quality control.
Common Job Roles and Departments
Rockwell Automation’s recruitment spans a variety of functions, but some of the most common job roles include:
- Automation Engineer: Designing and maintaining control systems, programming PLCs, and ensuring seamless integration of hardware and software.
- Software Developer: Developing applications and tools that enhance automation capabilities, often focusing on data analytics and cloud-based solutions.
- Field Service Technician: Hands-on role involving installation, troubleshooting, and maintenance of automation equipment at client sites.
- Sales and Application Engineer: Combining technical knowledge with client interaction to design tailored automation solutions.
- Project Manager: Overseeing multi-disciplinary teams and timelines to deliver automation projects on schedule.
- Quality Assurance Analyst: Ensuring software and hardware meet rigorous quality standards through testing and validation.
These roles typically reside within departments like Engineering, R&D, Sales, IT, and Customer Support. Understanding the nuances of each department can help candidates tailor their preparation and expectations accordingly.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Automation Engineer (Entry-Level) | $65,000 - $80,000 annually |
| Software Developer | $75,000 - $110,000 annually |
| Field Service Technician | $50,000 - $70,000 annually |
| Sales and Application Engineer | $70,000 - $110,000 annually (plus commission) |
| Project Manager | $95,000 - $130,000 annually |
| Quality Assurance Analyst | $65,000 - $90,000 annually |
These figures vary based on geography, experience, and education. While Rockwell’s compensation aligns competitively within the industrial automation market, candidates should look beyond base salary. Benefits, career development opportunities, and work-life balance often tip the scales in favor of Rockwell compared to peers.
Interview Difficulty Analysis
From what many candidates report, Rockwell’s interview difficulty hovers in the moderate-to-challenging range. Technical interviews can catch applicants off guard, especially if they rely solely on textbook knowledge without practical application experience. The company’s focus on real-world problem solving means expecting scenario-based questions rather than pure theory.
Moreover, the HR rounds can be surprisingly probing — with multiple behavioral questions aiming to gauge how you’ll mesh culturally and professionally. For fresh graduates, this can be daunting since it’s not just about academic scores but attitude and adaptability.
Compared to other industrial automation firms, Rockwell’s process is fairly standard but with a slight edge on technical rigor and cultural fit assessments. It’s common for candidates to feel the assessments are fair but require thoughtful preparation.
Preparation Strategy That Works
- Understand the Industry Context: Before diving into technical questions, invest time in grasping Rockwell’s product portfolio, market trends in automation, and digital transformation themes. This knowledge often surfaces in interviews.
- Brush Up on Core Technical Skills: For engineers, that means PLC programming, control systems, and networking concepts. Use practical exercises rather than rote memorization.
- Practice Behavioral Questions: Prepare stories illustrating teamwork, problem-solving, and leadership using the STAR (Situation, Task, Action, Result) method. It helps keep answers clear and impactful.
- Mock Interviews: Simulate technical and HR interviews with peers or mentors familiar with industrial automation roles to build confidence and receive feedback.
- Review Job Description Closely: Tailor your resume and responses to match the specific eligibility criteria and skills mentioned.
- Stay Updated on Tools and Software: Rockwell often integrates state-of-the-art software in their solutions, so familiarity with platforms like FactoryTalk or IoT analytics tools can be advantageous.
Work Environment and Culture Insights
Rockwell Automation prides itself on a culture that blends innovation with inclusivity. Employees often highlight a collaborative atmosphere where cross-functional teams solve complex challenges together. The company pushes for continuous learning, encouraging certifications and training as part of career development.
At the same time, the industrial nature of projects means timelines and problem-solving can get intense, especially when client systems are involved. However, flexible work options and supportive management often balance the pressure. Diversity and inclusion initiatives are actively pursued, reflecting the company’s global footprint and ethical commitments.
Career Growth and Learning Opportunities
One of Rockwell’s strong suits is its focus on employee development. Through structured training programs, mentorship, and access to cutting-edge technology projects, employees can grow both vertically and laterally within the organization. Whether it’s moving from a field technician role into engineering or transitioning into project management, the company encourages internal mobility.
Additionally, Rockwell’s investments in digital transformation mean that learning opportunities in AI, machine learning, and IIoT (Industrial Internet of Things) are plentiful for those willing to upskill. This dynamic environment suits candidates looking for long-term career trajectories instead of short stints.
Real Candidate Experience Patterns
Talking to candidates who’ve been through the Rockwell hiring process reveals a few recurring themes. Many appreciate the transparency of the recruitment rounds, noting that interviewers often explain the rationale behind questions. This makes the process feel less like a grilling and more like a two-way dialogue.
Some also mention the importance of demonstrating genuine enthusiasm for industrial automation — vague or generic answers tend to be spotted easily. Technical rounds can be challenging, but candidates with hands-on project experience fare better than those relying purely on academic theory.
On the flip side, a few candidates have mentioned delays in communication post-interviews, which can be frustrating. But overall, the experience emphasizes fairness and thorough evaluation.
Comparison With Other Employers
How does Rockwell Automation stack up against companies like Siemens, ABB, or Honeywell in hiring? While all these companies serve similar markets, Rockwell is often seen as more specialized in control systems with a strong software integration approach. This focus influences their recruitment strategies, which prioritize candidates with hybrid skills — engineering plus software fluency.
| Aspect | Rockwell Automation | Siemens | ABB |
|---|---|---|---|
| Technical Focus | Control systems + digital transformation | Diverse industrial tech + automation | Power, automation, robotics |
| Interview Style | Scenario-based, culture fit emphasis | Strong technical depth, multi-stage | Technical with practical case studies |
| Cultural Vibe | Innovative but stable, collaborative | Large corporate, structured | Global, varied work cultures |
| Candidate Experience | Generally positive, with transparent rounds | Competitive, rigorous | Challenging but rewarding |
For candidates, Rockwell’s somewhat smaller size compared to Siemens or ABB can translate into a more personalized hiring experience and clearer career pathways.
Expert Advice for Applicants
Don’t just prepare to answer questions—prepare to engage in a conversation. Rockwell Automation values candidates who show curiosity about how their skills fit within the industrial ecosystem. Demonstrate your problem-solving process out loud. Bring examples from past projects that align with the company’s challenges. And remember, cultural fit is paramount, so be authentic about your values and work preferences.
Also, don’t underestimate the power of networking. Connecting with current or former employees on professional platforms can provide nuanced insights into role expectations and interview tips, giving you a leg up.
Frequently Asked Questions
What types of interview questions are asked at Rockwell Automation?
The questions range from technical queries related to automation technologies, programming, and system design to behavioral questions that explore teamwork, problem-solving, and adaptability. Candidates should expect scenario-based questions that test real-world application.
How many recruitment rounds does Rockwell Automation have?
Typically, there are 3 to 5 rounds, depending on the role. The process usually includes an initial screening, technical assessment, HR interview, and a final managerial round.
What can I expect in the technical interview?
The technical interview focuses on your core expertise — for engineers, that means PLC programming, control systems troubleshooting, and digital networking. For software roles, expect coding and system design problems relevant to industrial automation.
Is prior experience mandatory to get hired?
Not always. Entry-level positions welcome fresh graduates with relevant project work or internships. However, mid to senior roles typically require substantial experience in the automation industry.
How should I prepare for the HR interview?
Focus on past experiences that highlight your teamwork, leadership, and ability to adapt. Be ready to discuss your motivation for joining Rockwell and how your values align with theirs.
Final Perspective
Landing a job at Rockwell Automation is a journey through a thoughtfully designed hiring process that seeks to balance technical competence with cultural harmony. For candidates who invest time in understanding the company’s industrial landscape and prepare with real-world application in mind, the experience is rewarding and fair. There’s a palpable sense that Rockwell aims to onboard professionals ready to grow alongside its evolving technology and market demands.
Yes, the interview process can be rigorous. But it’s not just a test — it’s a conversation that reflects the company’s commitment to building teams who can innovate and sustain leadership in the fast-changing automation arena. So, if you’re passionate about marrying engineering with smart digital solutions and want a stable yet dynamic career, preparing well for Rockwell’s recruitment rounds can open doors to one of the most respected names in industrial automation.
rockwell automation Interview Questions and Answers
Updated 21 Feb 2026Sales Engineer Interview Experience
Candidate: Emily Davis
Experience Level: Entry-level
Applied Via: Recruitment agency
Difficulty: Easy
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- How do you handle customer objections?
- Explain a technical product to a non-technical client.
- Describe your sales experience.
- What motivates you in a sales role?
Advice
Develop stronger product knowledge and practice situational sales scenarios.
Full Experience
The first round was a phone interview focusing on sales experience and communication skills. The second round was an in-person role-play exercise. I felt I could have prepared better for the technical aspects.
Mechanical Engineer Interview Experience
Candidate: David Kim
Experience Level: Mid-level
Applied Via: Campus recruitment
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the principles of fluid mechanics.
- Describe your experience with CAD software.
- How do you approach design optimization?
- Tell us about a time you improved a mechanical system.
Advice
Review core mechanical engineering concepts and have a portfolio of design projects ready to discuss.
Full Experience
The interview included a technical test, a design challenge, and a behavioral interview. The team was friendly and interested in my practical experience.
Project Manager Interview Experience
Candidate: Catherine Smith
Experience Level: Senior
Applied Via: LinkedIn application
Difficulty: Hard
Final Result:
Interview Process
4 rounds
Questions Asked
- Describe your experience managing cross-functional teams.
- How do you handle project scope changes?
- Give an example of a project that failed and what you learned.
- Explain risk management strategies in automation projects.
Advice
Prepare detailed examples of past project management experiences and be ready to discuss leadership challenges.
Full Experience
The process was intense with multiple interviews including HR, technical, and senior management. They focused heavily on behavioral and situational questions to assess leadership skills.
Electrical Engineer Interview Experience
Candidate: Brian Lee
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Easy
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- What are the key components of a PLC?
- Explain Ohm's Law.
- Describe a time you solved a technical problem during your internship.
Advice
Gain more hands-on experience with automation hardware and be prepared to discuss practical applications.
Full Experience
The first round was a phone interview with basic technical questions. The second round was an in-person interview with a practical test and behavioral questions. I felt underprepared for the hardware-related questions.
Software Engineer Interview Experience
Candidate: Alice Johnson
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.
- Describe a challenging software project you worked on.
- Write a function to reverse a linked list.
- How do you handle version control in your projects?
Advice
Brush up on data structures and algorithms, and be ready to discuss past projects in detail.
Full Experience
The first round was a phone screening focusing on my resume and basic technical questions. The second round was a technical interview with coding problems and system design. The final round was with the team lead and focused on cultural fit and behavioral questions.
Frequently Asked Questions in rockwell automation
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in rockwell automation
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: 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: 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: 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: 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: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: A 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: 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: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
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: There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30...
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: 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.
Q: A 31" x 31" square metal plate needs to be fixed by a carpenter on to a wooden board. The carpenter uses nails all along the edges of the square such that there are 32 nails on each side of the square. Each nail is at the same distance from the neighboring nails. How many nails does the carpenter use?Â
Q: You have given two blank faced dice... on both dice on each face you write any number you want from 0 to 9. now you are sitting and somebody comes and ask you the date of current month. you have show two dice to tell him the date. is it possible If yes how