About spic
Company Description
Southern Petrochemical Industries Corporation Limited (SPIC), established in 1969 and headquartered in Chennai, India, is one of the country's pioneering fertilizer manufacturing companies. As a flagship entity of the AM International Group, SPIC specializes in producing a diverse range of fertilizers, including urea, water-soluble fertilizers, bio-fertilizers, and industrial products like gypsum and ammonium chloride. The company operates its manufacturing facility in Tuticorin, Tamil Nadu, and is publicly listed on the National Stock Exchange of India.
SPIC's mission is to enhance agricultural productivity by providing high-quality fertilizers and agricultural services. Beyond manufacturing, SPIC is committed to educating farmers through initiatives like soil health management, integrated nutrient and pest management practices, and agro-biotech centers. The company also emphasizes product innovation and sustainability, aiming to support the agricultural sector's growth and resilience.
Work Culture & Job Environment
SPIC fosters a disciplined and safety-conscious work environment, particularly within its industrial operations. Employees often highlight the company's strong focus on safety protocols and operational efficiency. The work culture is described as structured, with a clear hierarchy and emphasis on adherence to processes. While the environment is conducive to learning, especially for fresh graduates, some employees note that the workplace can be demanding, with long working hours and high expectations.
Employee reviews suggest that SPIC provides opportunities for skill development and exposure to industrial operations. However, aspects such as work-life balance and compensation have received mixed feedback. The company offers benefits like subsidized meals and accommodation, which are particularly advantageous for those stationed at the Tuticorin plant.
Interview Questions & Sample Answers
1. Instrumentation & Control Engineer
Q1: How do you ensure the safety and efficiency of control systems in a chemical plant?
I prioritize regular maintenance and calibration of instruments, adhere to standard operating procedures, and conduct risk assessments to identify potential hazards, ensuring both safety and operational efficiency.
Q2: Can you describe a challenging situation you faced with instrumentation systems and how you resolved it?
During a routine inspection, I identified a malfunction in a pressure transmitter. I promptly isolated the affected system, coordinated with the maintenance team for repairs, and implemented a temporary workaround to minimize production downtime.
Q3: What steps do you take to stay updated with advancements in instrumentation and control technologies?
I regularly attend industry seminars, participate in online courses, and collaborate with colleagues to exchange knowledge on emerging technologies and best practices in instrumentation and control.
Q4: How do you handle situations where there is a discrepancy between control system readings and manual measurements?
I conduct a thorough investigation to identify the root cause, which could range from sensor calibration issues to environmental factors, and implement corrective actions to align automated readings with manual measurements.
Q5: Describe your experience with Distributed Control Systems (DCS) and their application in plant operations.
I have hands-on experience with DCS platforms, utilizing them for real-time monitoring and control of plant processes, optimizing performance, and ensuring compliance with safety standards.
Q6: How do you approach troubleshooting in a high-pressure environment?
I remain calm, systematically analyze the issue using diagnostic tools, and prioritize actions based on safety and operational impact, ensuring a swift and effective resolution.
Q7: What role does teamwork play in managing instrumentation and control systems?
Effective communication and collaboration with cross-functional teams are essential for identifying issues, implementing solutions, and maintaining the overall health of control systems.
2. Environmental Engineer
Q1: What are the key environmental regulations that impact fertilizer manufacturing?
Key regulations include the Environment Protection Act, Air and Water Pollution Control Laws, and Hazardous Waste Management Rules, all of which govern emissions, effluent treatment, and waste disposal practices.
Q2: Can you discuss a project where you implemented a successful environmental management plan?
I led a project to upgrade the effluent treatment plant, incorporating advanced filtration technologies, which resulted in a significant reduction in chemical oxygen demand (COD) levels and compliance with discharge standards.
Q3: How do you conduct environmental impact assessments for new projects?
I follow a systematic approach that includes baseline data collection, impact prediction, mitigation strategy development, and stakeholder consultation to ensure sustainable project implementation.
Q4: What strategies do you employ to promote environmental awareness among employees?
I organize training sessions, workshops, and awareness campaigns to educate employees about environmental policies, best practices, and their role in minimizing environmental footprints.
Q5: How do you handle non-compliance issues related to environmental standards?
I investigate the root causes, implement corrective measures, and collaborate with regulatory authorities to ensure compliance and prevent future occurrences.
Q6: Can you explain the concept of sustainability in the context of fertilizer production?
Sustainability involves optimizing resource utilization, reducing emissions and waste, and adopting eco-friendly technologies to minimize the environmental impact of fertilizer production.
Q7: What role does data analysis play in environmental monitoring?
Data analysis helps in identifying trends, detecting anomalies, and making informed decisions to enhance environmental performance and ensure regulatory compliance.
3. Operations Manager
Q1: How do you ensure smooth coordination between different departments in a manufacturing plant?
I establish clear communication channels, set common goals, and facilitate regular meetings to align objectives and address any interdepartmental challenges.
Q2: Describe a situation where you had to manage a production crisis and the steps you took to resolve it.
During a sudden equipment failure, I activated the contingency plan, coordinated with maintenance and production teams, and communicated with stakeholders, minimizing downtime and ensuring production targets were met.
Q3: What methods do you use to monitor and improve production efficiency?
I implement performance metrics, conduct regular audits, and encourage continuous improvement initiatives to identify bottlenecks and optimize processes.
Q4: How do you handle conflicts within your team?
I address conflicts promptly by listening to all parties involved, facilitating open discussions, and finding mutually agreeable solutions to maintain a harmonious work environment.
Q5: What role does safety play in your daily operations management?
Safety is paramount; I ensure that all safety protocols are strictly followed, conduct regular safety drills, and promote a safety-first culture among employees.
Q6: How do you manage resource allocation to meet production demands?
I assess production schedules, forecast resource needs, and collaborate with procurement and logistics teams to ensure timely availability of materials and manpower.
Q7: Can you discuss a time when you implemented a change that significantly improved operations?
I introduced a predictive maintenance system that reduced unexpected equipment failures by 20%, leading to improved production uptime and cost savings.
Job Roles
Skills (for reference):
Process Optimization
Environmental Compliance
Safety Management
Team Leadership
Crisis Management
Resource Planning
Data Analysis
Previous Roles (for reference):
Process Engineer
Environmental Consultant
Safety Officer
Production Supervisor
Maintenance Planner
Quality Control Analyst
Company Background and Industry Position
spic, a noteworthy player in its sector, stands as a mid-sized enterprise specializing in chemical manufacturing and industrial solutions. Its footprint spans several regions, primarily focusing on producing essential raw materials and specialty chemicals that feed into industries ranging from agriculture to construction. Understanding the company’s position is crucial because it shapes the entire recruitment framework. For example, spic’s commitment to innovation and safety compliance reflects heavily in how they assess candidates—the hiring process isn’t just about skills, but also about cultural alignment and regulatory awareness.
In a market crowded with chemical manufacturers, spic’s niche approach places it in direct competition with large conglomerates as well as agile startups. This tension explains their balanced recruitment drive: they seek candidates who can blend technical prowess with a flexible mindset, prepared to navigate stringent quality checks and evolving industry standards. So, if you’re eyeing a role at spic, expect a hiring process tailored not only to your expertise but also to your adaptability in a highly regulated, fast-paced environment.
How the Hiring Process Works
- Application and Resume Screening: spic begins with a robust filtering of resumes. Given the specialized nature of their roles, recruiters look beyond keywords; they seek evidence of technical certifications, practical experience in chemical processes, and familiarity with industry-specific software like process simulators or ERP systems. This initial sieve is designed to weed out candidates who might have generic experience but lack the precise skills spic demands.
- Telephonic or Video Screening: The next step involves a brief interaction—usually 15 to 30 minutes—with an HR representative or a recruitment coordinator. This isn’t just about verifying information; it’s a subtle probe into your communication skills and your motivation for joining spic. Candidates often find this round deceptively challenging because it blends behavioral questions with an informal technical check.
- Technical Interview Rounds: These are the heavy hitters. Typically, candidates face one or more interviews focused on technical knowledge and problem-solving. Expect questions that test your understanding of chemical engineering principles, process optimization, safety protocols, and sometimes case studies or practical scenarios relevant to spic’s operations. This stage can include written assessments or live problem-solving tasks to gauge your analytical thinking.
- HR Interview: After clearing the technical barrier, the focus shifts to cultural fit. Here, the discussion revolves around your work ethic, conflict resolution abilities, expectations around salary and career progression, and alignment with spic’s corporate values. It’s a two-way street; you get to understand the company culture while demonstrating your interpersonal skills.
- Final Offer and Onboarding: Successful candidates receive an offer detailing salary, benefits, and joining timelines. Negotiation is possible but usually constrained within structured salary bands. The onboarding process emphasizes safety training, compliance briefings, and familiarization with spic’s operational protocols, underlining their priority on workplace safety from day one.
Interview Stages Explained
Initial Screening: The Gatekeeper Round
This stage acts as the company’s first impression checkpoint. Recruiters here are not just ticking boxes; they evaluate how well your profile matches the role's fundamentals. It’s why even minor gaps in specific certifications or a lack of relevant projects can sometimes lead to rejection. Many candidates miss out because they underestimate the weight of tailored resumes and miss tailoring their applications to reflect spic’s core values and requirements.
Technical Rounds: Testing Depth and Application
spic’s technical interviews are rooted deep in the practical world. Interviewers expect you to think like a process engineer or a quality control specialist in their actual work environment. For instance, you may be presented with a scenario involving process bottlenecks or contamination risks and asked how you would troubleshoot or redesign the process. It’s less about textbook answers and more about your problem-solving approach.
One thing candidates often notice is the interviewers’ preference for candidates who not only know their stuff but can communicate complex ideas clearly. This dual expectation is vital because spic’s work requires cross-functional collaboration. Engineering prowess without the ability to convey findings or concerns precisely can be a significant drawback here.
HR Interview: Personality Meets Policy
The HR interview is where the company digs into your behavioral traits, motivation, and long-term commitment. They assess whether you’ll thrive in spic’s culture, which values discipline, safety consciousness, and continuous improvement. Candidates who prepare generic answers often struggle here because spic’s HR team probes for authenticity—asking for examples of past challenges, ethical dilemmas, or teamwork experiences.
Examples of Questions Candidates Report
- Technical Interview: "Explain the steps you would take to optimize a chemical process experiencing yield loss due to temperature fluctuations."
- Technical Interview: "How do you ensure compliance with environmental regulations during production?"
- HR Interview: "Tell us about a time when you had to handle a conflict in your team. How did you resolve it?"
- HR Interview: "What motivates you to work at spic, and where do you see yourself in five years?"
- General Screening: "Describe your familiarity with safety protocols and any certifications you have related to industrial safety."
Eligibility Expectations
spic’s candidate eligibility hinges primarily on educational qualifications and relevant industry experience. Most engineering roles require at least a bachelor’s degree in chemical engineering, process engineering, or a closely related discipline. Additionally, certifications like Six Sigma, OSHA safety training, or process simulation software proficiency are highly advantageous.
Experience requirements vary by role. Entry-level positions might look for internships or project work in chemical plants, while mid to senior roles demand proven track records managing complex processes or leading safety audits. It’s also important to highlight that candidates with a demonstrated understanding of environmental and regulatory standards tend to stand out, as compliance is a non-negotiable pillar in spic’s operations.
Common Job Roles and Departments
spic’s hiring spans several key departments, each with distinct expectations and recruitment nuances:
- Process Engineering: Designing and optimizing chemical processes, improving plant efficiency.
- Quality Control and Assurance: Monitoring product quality, ensuring adherence to specifications.
- Safety and Compliance: Overseeing workplace safety protocols, conducting audits.
- Research and Development: Innovating new formulations, scaling up lab processes to production.
- Maintenance Engineering: Ensuring operational uptime of equipment through preventive and corrective maintenance.
- Supply Chain and Logistics: Managing raw material sourcing, inventory, and delivery schedules.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Entry-Level Process Engineer | ₹3.5 - 5 LPA |
| Quality Assurance Specialist | ₹4 - 6 LPA |
| Safety Officer | ₹4.5 - 7 LPA |
| R&D Chemist | ₹5 - 8 LPA |
| Senior Process Engineer | ₹8 - 12 LPA |
| Maintenance Manager | ₹7 - 11 LPA |
These figures are competitive within the chemical manufacturing sector but can vary widely based on location, candidate experience, and the specific technical demands of the role. Notably, spic tends to maintain salary structures aligned with mid-market standards rather than premium payouts seen in multinational corporations, balancing fair compensation with sustainable growth.
Interview Difficulty Analysis
The difficulty level of spic’s interview process is often described as moderate to challenging, especially for candidates with only textbook knowledge. The technical rounds push candidates to apply concepts rather than recite them, which naturally weans out those who rely solely on academic preparation.
Moreover, the integration of behavioral and situational questions means that candidates can’t just prepare answers in isolation; they need to weave their technical skills with examples from practical experience and soft skills like communication and teamwork. For fresh graduates, this can be intimidating, though not insurmountable with the right preparation.
Seasoned professionals often remark that the process’s design reflects spic’s dual priorities: technical excellence and workplace safety culture. It’s a thoughtful approach, ensuring hires are both competent and reliable within the company’s operational ethos.
Preparation Strategy That Works
- Deep Dive into Technical Fundamentals: Focus on chemical engineering core concepts, process optimization, safety standards, and industry regulations. Use real-world case studies for context.
- Review spic’s Product Lines and Operations: Understanding what spic manufactures and their processes can help tailor answers and show genuine interest.
- Practice Problem-Solving: Solve scenario-based questions reflecting typical industry challenges like yield improvements or contamination control.
- Prepare Behavioral Examples: Use the STAR method (Situation, Task, Action, Result) to narrate teamwork, leadership, and conflict resolution stories.
- Mock Interviews: Conduct technical and HR mock interviews with peers or mentors who have industry experience to simulate the real pressure and receive feedback.
- Know Your Resume Inside Out: spic interviewers delve into your past projects and roles, so be ready to discuss them in detail.
- Stay Updated on Industry Trends: Awareness of recent chemical industry innovations, safety regulations, and market shifts can impress interviewers.
Work Environment and Culture Insights
spic fosters a culture grounded in safety, accountability, and continuous improvement. Employees often describe the work environment as structured yet supportive, where adherence to protocols is non-negotiable. This emphasis on discipline stems from the inherent risks in chemical manufacturing—one misstep can have serious consequences.
At the same time, spic encourages collaborative problem-solving and knowledge sharing, especially within engineering and R&D teams. The culture values individuals who take initiative but within the framework of well-established safety and quality procedures. New hires often notice the transparent communication channels but also a clear hierarchy when it comes to decision-making in critical situations.
Career Growth and Learning Opportunities
spic invests in upskilling its workforce through regular training sessions on the latest industry standards, safety protocols, and technological tools. Many employees appreciate the structured career paths that allow vertical and lateral movement across departments like process engineering, R&D, and quality assurance.
Mentorship programs and cross-functional projects are also common, giving candidates a chance to broaden their expertise beyond their immediate roles. However, growth is often tied closely to performance in day-to-day operations and adherence to safety compliance, reflecting the company’s core values. Candidates should expect a merit-based progression but also one that demands consistency and reliability.
Real Candidate Experience Patterns
Candidates often report that while the overall experience is fair, the technical rounds can catch even well-prepared individuals off guard due to the practical nature of questions. Many mention that interviewers appreciate candidates who admit knowledge gaps honestly and demonstrate a willingness to learn rather than those who bluff.
Another common thread is the courteous and professional demeanor of the HR team, which helps ease the tension post-technical interviews. However, communication timelines between rounds can sometimes feel slow, causing anxiety among candidates awaiting updates.
Those who prepare with a focus on applied skills and behavioral readiness tend to navigate the process more smoothly. Also, the onboarding phase leaves a positive impression because of the emphasis on safety and clear expectations right from the start.
Comparison With Other Employers
| Aspect | spic | Large Multinational Chemical Companies | Startups in Chemical Sector |
|---|---|---|---|
| Interview Complexity | Moderate to Challenging, balanced technical and behavioral focus | Highly technical with multiple advanced rounds | Variable, often less structured but highly adaptive |
| Salary Range | Mid-market competitive | Higher, with more perks | Lower initially but potential equity offers |
| Cultural Emphasis | Safety and process discipline | Innovation and scale | Flexibility and rapid growth |
| Career Progression | Structured with clear paths | Opportunities for global mobility | Rapid shifts, less defined paths |
| Candidate Experience | Respectful, transparent but paced | Highly competitive, sometimes impersonal | Personalized but inconsistent |
Expert Advice for Applicants
Don’t just memorize answers. At spic, your ability to contextualize knowledge in real-world problem-solving is paramount. Focus on demonstrating your thought process clearly—interviewers appreciate candidates who can logically walk through a problem, even if they don’t reach the perfect solution.
Understand spic’s commitment to safety and compliance deeply. Familiarize yourself with standard operating procedures and environmental regulations relevant to chemical manufacturing. This understanding signals that you’re not just technically competent but also conscientious.
Finally, be genuine in the HR rounds. spic values cultural fit highly, so honesty about your career goals, expectations, and work style pays off more than rehearsed buzzwords.
Frequently Asked Questions
How many interview rounds does spic usually conduct?
Typically, there are three to five rounds including resume screening, telephonic/video screening, one or more technical interviews, and an HR round. The exact number may vary with the role.
What type of technical questions should I expect?
Expect questions probing your grasp of chemical engineering principles, process design, safety protocols, and problem-solving scenarios relevant to spic’s industry operations.
Is prior chemical industry experience mandatory?
While not always mandatory for entry-level positions, having relevant internships or project experience significantly improves your chances. For mid-level or senior roles, prior industry experience is generally expected.
Does spic provide any relocation assistance?
Relocation support depends on the role and the candidate’s negotiation but is generally offered for senior positions or specialized roles where spic needs niche expertise.
How important is cultural fit in the selection process?
Very important. spic places a strong emphasis on candidates aligning with its safety-first culture and collaborative work environment, especially during the HR interview stage.
Final Perspective
Landing a job at spic involves more than just ticking off technical checkboxes. It’s a nuanced process designed to find candidates who fit both the technical demands and the company’s deeply ingrained safety culture. If you approach preparation with an emphasis on practical application, honest communication, and a clear understanding of spic’s industry position, you’ll navigate their recruitment rounds with confidence.
Remember, this is a company that values consistency and reliability as much as innovation and skills. Your ability to demonstrate these traits authentically is what will ultimately set you apart in a competitive pool of applicants.
spic Interview Questions and Answers
Updated 21 Feb 2026Sales Executive Interview Experience
Candidate: Neha Gupta
Experience Level: Entry-level
Applied Via: Walk-in
Difficulty:
Final Result: Rejected
Interview Process
2
Questions Asked
- How do you handle rejection in sales?
- Describe a successful sales pitch you made.
Advice
Work on your communication skills and be ready with concrete sales success stories.
Full Experience
The interview was friendly but focused on practical sales scenarios. I realized I needed more experience to meet their expectations.
Supply Chain Manager Interview Experience
Candidate: Suresh Kumar
Experience Level: Senior
Applied Via: LinkedIn
Difficulty: Hard
Final Result:
Interview Process
3
Questions Asked
- Describe your experience managing supply chain disruptions.
- How do you optimize logistics costs?
- Explain your leadership style.
Advice
Prepare detailed examples of past supply chain challenges and leadership experiences.
Full Experience
The interviewers were very professional and asked in-depth questions about my strategic approach and problem-solving skills.
Quality Control Analyst Interview Experience
Candidate: Priya Singh
Experience Level: Mid-level
Applied Via: Company website
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- How do you ensure product quality?
- What tools do you use for quality analysis?
Advice
Be confident and clear about your quality control methodologies and tools.
Full Experience
The interviews were straightforward, focusing on my previous experience and practical skills. The team was friendly and supportive.
Food Technologist Interview Experience
Candidate: Rohit Verma
Experience Level: Entry-level
Applied Via: Employee referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- What food safety standards are you familiar with?
- Describe how you would improve product shelf life.
- Explain a time you solved a production problem.
Advice
Gain more hands-on experience with food safety protocols and quality assurance processes.
Full Experience
The interview process was rigorous with multiple technical rounds and a practical test. Feedback suggested I needed deeper industry knowledge.
Agricultural Scientist Interview Experience
Candidate: Anita Sharma
Experience Level: Mid-level
Applied Via: Online job portal
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain your experience with crop yield improvement.
- How do you handle pest control in organic farming?
- Describe a challenging project you managed.
Advice
Brush up on recent agricultural technologies and be ready to discuss practical project experiences.
Full Experience
The first round was a phone interview focusing on my background. The second was a technical round with scenario-based questions. The final was an HR round discussing company culture and salary expectations.
Frequently Asked Questions in spic
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in spic
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: 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: 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: 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: 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: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: 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: 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: 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: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
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: 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: 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 ?