Qatar Gas Recruitment Process, Interview Questions & Answers

Qatar Gas interview rounds include competency-based interviews, technical assessments, and situational judgment tests. Candidates are evaluated on industry-specific knowledge, safety protocols, and problem-solving abilities in a structured format.
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About Qatar Gas

Company Description

Qatar Gas is the world’s largest liquefied natural gas (LNG) producer and a leading energy company based in Qatar. Established in 1984, the company specializes in the exploration, production, processing, and marketing of natural gas and LNG products. Qatar Gas operates extensive upstream and downstream facilities, including gas processing plants, LNG trains, and storage terminals, supplying energy to global markets. The company is recognized for its technological innovation, operational excellence, and commitment to sustainable energy solutions, supporting both local and international energy demands.

Work Culture and Job Environment

Qatar Gas promotes a safety-first, collaborative, and performance-driven work culture. The organization emphasizes professionalism, accountability, and continuous learning. Employees are encouraged to innovate, maintain high operational standards, and adhere to strict environmental and safety protocols. Qatar Gas provides ample opportunities for career growth, technical skill development, and cross-functional collaboration. The work environment balances high-performance expectations with employee well-being, offering competitive compensation, training programs, and a global perspective on energy operations.

Job Roles and Interview Questions

1. Mechanical Engineer

Skills (for reference): Mechanical design, maintenance, project management, troubleshooting, safety compliance

Previous Roles (for reference): Maintenance Engineer, Project Engineer, Mechanical Technician

Q1: How do you approach preventive maintenance for critical equipment?

By scheduling regular inspections, analyzing equipment history, identifying potential failures, and implementing timely maintenance plans.

Q2: Can you explain your experience with mechanical system design?

I have designed piping layouts, pressure vessels, and rotating machinery components while ensuring compliance with safety and quality standards.

Q3: How do you handle equipment failures during operations?

By performing root cause analysis, coordinating with maintenance teams, implementing corrective measures, and documenting lessons learned.

Q4: What safety protocols do you follow in mechanical operations?

Adhering to lockout/tagout procedures, using personal protective equipment (PPE), and following company and regulatory safety standards.

Q5: Describe a project where you improved equipment efficiency.

I optimized pump and compressor operations by adjusting operational parameters and scheduling proactive maintenance, reducing energy consumption by 10%.

2. Electrical Engineer

Skills (for reference): Electrical systems, instrumentation, troubleshooting, power distribution, project execution

Previous Roles (for reference): Electrical Technician, Instrumentation Engineer, Maintenance Engineer

Q1: How do you ensure reliable power distribution in industrial plants?

By monitoring load management, maintaining switchgear and transformers, and implementing preventive maintenance schedules.

Q2: Describe your experience with PLCs and control systems.

I have configured and programmed PLCs, integrated sensors and actuators, and optimized control logic for efficient plant operations.

Q3: How do you troubleshoot electrical faults?

By isolating circuits, performing diagnostic tests, using measurement instruments, and applying systematic fault-finding procedures.

Q4: How do you ensure compliance with electrical safety standards?

By adhering to IEC, NEC, and company-specific safety protocols, conducting regular inspections, and training personnel on safe practices.

Q5: Give an example of improving electrical system efficiency.

I implemented variable frequency drives (VFDs) for pumps, optimizing motor performance and reducing power consumption.

3. Process Engineer

Skills (for reference): Process optimization, chemical engineering, plant operations, safety management

Previous Roles (for reference): Chemical Engineer, Operations Engineer, Process Analyst

Q1: How do you optimize chemical processes for efficiency and safety?

By monitoring process variables, analyzing production data, identifying bottlenecks, and implementing process control improvements.

Q2: Describe your experience with LNG processing.

I have monitored liquefaction processes, ensured proper temperature and pressure controls, and maintained compliance with operational standards.

Q3: How do you handle deviations in process parameters?

By identifying the cause of deviation, implementing corrective actions, and updating standard operating procedures to prevent recurrence.

Q4: How do you ensure environmental and safety compliance in operations?

By monitoring emissions, conducting risk assessments, following safety protocols, and ensuring adherence to environmental regulations.

Q5: Can you give an example of a process improvement you implemented?

I optimized heat exchanger performance by adjusting flow rates and cleaning schedules, improving thermal efficiency by 8%.

4. Safety Officer

Skills (for reference): Occupational health & safety, risk assessment, incident investigation, safety training

Previous Roles (for reference): HSE Officer, Safety Coordinator, Compliance Officer

Q1: How do you implement a safety program in a large industrial plant?

By conducting risk assessments, developing procedures, training employees, and regularly auditing safety practices.

Q2: How do you investigate and report incidents?

By gathering facts, analyzing root causes, documenting findings, and recommending preventive measures.

Q3: How do you promote a culture of safety among employees?

Through continuous training, awareness campaigns, and leading by example in following safety protocols.

Q4: How do you ensure compliance with international safety standards?

By staying updated on OSHA, ISO, and company-specific safety regulations and integrating them into daily operations.

Q5: Describe a time you successfully prevented a potential hazard.

I identified a leaking pressure relief valve during routine inspection, isolated the equipment, and coordinated repairs before it caused any safety incident.

5. Project Manager (Oil & Gas)

Skills (for reference): Project planning, budgeting, team management, stakeholder communication

Previous Roles (for reference): Assistant Project Manager, Project Engineer, Operations Coordinator

Q1: How do you plan and execute large-scale projects?

By defining scope, setting timelines, allocating resources, and monitoring progress using project management tools.

Q2: How do you handle project delays?

By identifying the cause, reallocating resources, adjusting schedules, and communicating updates to stakeholders.

Q3: Describe your experience managing multidisciplinary teams.

I coordinate between engineering, procurement, and operations teams, ensuring alignment on project objectives and resolving conflicts effectively.

Q4: How do you ensure project budgets are maintained?

By tracking expenditures, approving cost-efficient alternatives, and regularly reporting financial status to management.

Q5: How do you mitigate risks in oil and gas projects?

By performing risk assessments, developing contingency plans, and implementing strict safety and quality controls.

Qatar Gas Interview Guide

Company Background and Industry Position

Qatar Gas, officially known as Qatar Petroleum (QP), stands as a titan in the global energy sector, particularly in liquefied natural gas (LNG) production. It’s not just another oil and gas company; it’s a crucial player shaping global energy dynamics. Operating amidst geopolitical pressures, technological advancements, and growing environmental awareness, Qatar Gas holds a commanding position due to its massive reserves, strategic partnerships, and cutting-edge LNG infrastructure. This reputation naturally attracts a flood of candidates, each eager to step into a hub that promises both prestige and challenge.

Understanding Qatar Gas’s industry standing is important before diving into the recruitment process. The company’s influence stretches beyond the Middle East, impacting international energy markets and policies. For candidates, this means they’re not just applying for a job—they're entering a complex, fast-evolving ecosystem. The competition is fierce, and the expectations reflect the company’s high standards and strategic ambitions.

How the Hiring Process Works

  1. Application Submission: Everything kicks off online. Qatar Gas primarily uses its official portal and LinkedIn for sourcing talent. You need to tailor your resume specifically to the job role, highlighting relevant technical expertise and accomplishments tied to energy or engineering sectors.
  2. Initial Screening: The HR team reviews applications against rigid eligibility criteria. This stage filters out those who don’t meet baseline qualifications, such as educational background, work experience, or certifications. It’s a swift but crucial gatekeeper round.
  3. Aptitude and Technical Assessments: Candidates often face online aptitude tests focused on problem-solving, numerical reasoning, and sometimes domain-specific knowledge. These assessments ensure the applicant’s logical and technical foundation matches Qatar Gas’s operational demands.
  4. Technical Interview Round: This is where things heat up. Usually conducted by senior engineers or technical managers, this round probes your practical knowledge, problem-solving approach, and industry understanding. Candidates should expect scenario-based questions tied directly to their job function.
  5. HR Interview: After technical clearance, HR assesses cultural fit, motivation, and behavioral traits. Qatar Gas values candidates who align with their corporate ethos and can thrive in a multinational, fast-paced setting.
  6. Medical and Security Clearances: Given the safety-critical nature of the industry and Qatar’s regulatory environment, candidates undergo comprehensive medical checks and security vetting before final offers are made.
  7. Final Offer and Onboarding: Successful candidates receive formal offers detailing salary range, benefits, and contractual terms. The onboarding process is structured and rigorous, designed to embed new hires quickly into Qatar Gas’s operational fabric.

Interview Stages Explained

Initial Screening: The Silent Filter

This stage might feel invisible to candidates but is a decisive hurdle. Recruiters sift through hundreds of resumes, zeroing in on specific skills and experiences that match job roles like engineers, geologists, or project managers. If your CV doesn’t immediately resonate with the job description, you’re likely out.

Why so strict? Qatar Gas’s projects are capital-intensive and technical precision is non-negotiable. The company can’t afford to waste interview time on unsuitable profiles.

Technical Interview: The Core Challenge

Here you’re face-to-face with domain experts. They want to know not just what you know, but how you think under pressure. Expect detailed questions on process optimization for engineers or reservoir management if you’re in geology. This isn’t about textbook answers; interviewers value practical reasoning and problem-solving.

Because Qatar Gas operates cutting-edge LNG facilities, familiarity with industry standards, safety protocols, and recent technological trends adds weight. Candidates often notice this round is more like a professional debate than a rigid Q&A.

HR Interview: Beyond Skills

This stage evaluates soft skills, cultural adaptability, and long-term fit. Qatar Gas prides itself on a diverse yet cohesive workforce. HR questions often explore your motivations for joining the company, past conflict resolution experiences, and how you handle high-stress situations.

Here, transparency and authenticity pay off. Candidates frequently mention that being honest about their career goals and values resonates well with interviewers.

Medical and Security Checks: Behind-the-Scenes Screening

In the world of oil and gas, safety is paramount. Qatar Gas enforces strict medical and security assessments to ensure personnel can work safely in demanding environments and comply with national regulations. These steps can be frustrating for some candidates due to their rigor, but they are non-negotiable.

Examples of Questions Candidates Report

  • Technical Interview: "Explain the process of liquefaction in LNG plants and how you would optimize it to reduce energy consumption."
  • Technical Problem-Solving: "Given a drop in gas pressure in a pipeline, outline your troubleshooting approach."
  • HR Interview: "Describe a time when you faced a challenging team conflict and how you resolved it."
  • Behavioral: "What motivates you to work in the energy sector, and how do you see your career growing here?"
  • Aptitude Test Sample: Numerical reasoning questions involving unit conversions related to energy measurements."

Eligibility Expectations

Qatar Gas sets a high bar. Generally, candidates must hold degrees in engineering disciplines (chemical, mechanical, petroleum), geology, or business administration for corporate roles. Advanced certifications or postgraduate education can give a distinct advantage.

Experience-wise, internships or 2-5 years in relevant sectors are often prerequisites for mid-level roles. Fresh graduates aren't ruled out but must demonstrate exceptional academic records or projects linked to energy.

Language proficiency in English is mandatory, given the global nature of operations. Additional language skills, such as Arabic, may be a bonus.

One practical insight: Qatar Gas favors candidates with demonstrated adaptability to local work cultures and multinational teams. This explains why some candidates with solid technical skills still don’t make the cut if they lack cross-cultural experience.

Common Job Roles and Departments

Qatar Gas recruits across a spectrum of roles, reflecting the complexity of LNG operations and corporate functions. Some key departments include:

  • Engineering: Process, Mechanical, Electrical, and Chemical Engineering roles focused on plant operations and maintenance.
  • Geosciences and Reservoir Engineering: Specialists managing exploration and production optimization.
  • Health, Safety, and Environment (HSE): Critical roles ensuring compliance with safety protocols and environmental regulations.
  • Project Management: Overseeing large scale infrastructure projects, demanding strong leadership and organizational skills.
  • Corporate Functions: HR, Finance, IT, and Legal teams supporting business growth.

Applicants should tailor their preparation according to the nuances of their targeted role. For instance, HSE candidates will experience different technical questions compared to those applying for engineering positions.

Compensation and Salary Perspective

RoleEstimated Salary
Entry-Level EngineerQAR 10,000 – 15,000 per month
Mid-Level Engineer (3-5 years)QAR 15,000 – 25,000 per month
Senior Engineer / SpecialistQAR 25,000 – 40,000 per month
Project ManagerQAR 35,000 – 50,000 per month
HSE OfficerQAR 12,000 – 20,000 per month
Corporate HR / Finance RolesQAR 12,000 – 30,000 per month

Keep in mind, Qatar Gas offers additional benefits that often make total compensation more attractive. Housing allowances, transportation, health insurance, and bonuses form part of the package. Compared to regional competitors, Qatar Gas’s salary scale is competitive but not necessarily the highest, reflecting its balance between scale and cost management.

Interview Difficulty Analysis

Many candidates find Qatar Gas interviews to be moderately to highly challenging, especially in the technical rounds. The interviews demand deep subject knowledge coupled with applied thinking rather than rote memorization. It’s a refreshing but daunting experience for those not used to problem-solving under pressure.

Compared to other oil and gas giants in the Gulf region, Qatar Gas is seen as slightly more process-driven, with a well-structured recruitment framework that leaves less room for ambiguity but raises the bar for preparation.

Many report that the HR interviews come as a relief after tough technical grilling, but the cultural fit questions can be unexpectedly probing. So, candidates shouldn’t underestimate this part — it’s critical to their overall assessment.

Preparation Strategy That Works

  • Deep Dive Into Role Requirements: Study the job description meticulously. Understand the specific skills, certifications, and experiences Qatar Gas emphasizes for the role.
  • Revise Core Technical Concepts: For engineers, refresh process simulations, thermodynamics, and plant operations. Candidates often find reviewing recent industry advancements helpful.
  • Practice Problem-Solving: Use case studies or technical scenario questions to hone applied reasoning skills. This approach prepares you better for situational interview questions.
  • Mock Interviews: Engage with mentors or peers who have LNG or oil and gas experience. Feedback is invaluable for fine-tuning responses and boosting confidence.
  • Know the Company Culture: Read up on Qatar Gas’s values, recent projects, and sustainability initiatives. Demonstrating awareness shows genuine interest.
  • Prepare Your Stories: Behavioral interview questions often require examples from your past. Plan stories around teamwork, conflict resolution, safety awareness, and adaptability.
  • Stay Updated on Market Trends: Being conversant with global energy shifts, especially LNG markets, signals that you’re an informed and strategic candidate.

Work Environment and Culture Insights

Candidates often describe Qatar Gas’s work environment as challenging but supportive. The company promotes a culture rooted in safety, innovation, and collaboration. Multicultural teams are the norm, and inclusivity is emphasized, but the expectations around professionalism and accountability are rigorous.

New hires usually notice a structured, hierarchical decision-making style mixed with pockets of entrepreneurial spirit—especially in project teams. The work-life balance is said to be reasonable, though peak project phases can push intensity higher.

One important cultural feature is the company’s focus on sustainability and corporate social responsibility, which is woven into daily operations and policies.

Career Growth and Learning Opportunities

If you’re looking for steady professional development, Qatar Gas delivers. The company supports continuous learning through in-house training, international assignments, and tuition assistance for advanced degrees. Many engineers and specialists report that technical skill-building is integrated with leadership development programs.

Career progression is often merit-based but also influenced by your ability to navigate complex multinational teams and demonstrate safety leadership. For ambitious candidates, Qatar Gas can be a career-defining employer with opportunities to move into strategic or cross-functional roles.

Real Candidate Experience Patterns

From conversations with recent hires and candidates, a pattern emerges: preparation is everything. Those who breeze through often share a common story of intensive study, mock interviews, and a clear understanding of industry context.

On the flip side, candidates who underestimate the technical interview’s depth or neglect the company’s cultural nuances face multiple rejections. Many report that the HR rounds feel less formal but are decisive in assessing long-term alignment with Qatar Gas’s values.

Waiting times between recruitment rounds can sometimes be lengthy, which candidates find nerve-wracking. Patience is essential, as is proactive communication with recruiters when appropriate.

Comparison With Other Employers

Compared to regional energy giants like Saudi Aramco or ADNOC, Qatar Gas offers a more focused LNG-centric work environment. While salary packages are competitive, Aramco tends to lead on financial incentives due to its sheer scale. However, Qatar Gas scores high on project diversity and international exposure.

Recruitment-wise, Qatar Gas is slightly more structured and less opaque than some competitors, with clearly communicated hiring stages. The technical interview depth is comparable but with an added emphasis on process engineering and safety, aligning with its operational priorities.

For candidates weighing opportunities, Qatar Gas sits as a middle ground—robust global presence, solid compensation, and a reputation for technical excellence without the overwhelming scale of other giants.

Expert Advice for Applicants

Don’t just memorize answers. Instead, focus on understanding the 'why' behind processes and procedures in LNG operations. Qatar Gas interviewers want to see real insight, not canned responses.

Be ready to talk about your own experiences in detail. Vague answers don’t cut it. Use the STAR method—Situation, Task, Action, Result—but keep it conversational.

Network when you can. Reach out to current or former Qatar Gas employees on LinkedIn to get fresh perspectives on interview styles and company culture.

Lastly, take care of your physical and mental preparation. The process can be long and tiring. Break down preparation into manageable chunks and remember to rest.

Frequently Asked Questions

What is the typical duration of the Qatar Gas interview process?

The process can span from two to six weeks depending on the role and candidate availability. Some technical rounds might require scheduling with senior staff, which can extend timelines.

Are fresh graduates considered for technical roles?

Yes, but they must have outstanding academic records and relevant internships or projects. Freshers are usually shortlisted for entry-level roles only after thorough screening.

What kind of technical interview formats should I expect?

Expect a mix of problem-solving questions, practical case studies, and technical knowledge testing related to your discipline. Some rounds might be virtual, others face-to-face.

How important is cultural fit in the hiring decision?

Very important. Qatar Gas looks for candidates who demonstrate adaptability, teamwork, integrity, and commitment to safety and sustainability.

Does Qatar Gas offer relocation assistance?

Typically yes, especially for mid to senior-level roles, including housing allowances and support with visa processes.

Final Perspective

Landing a job at Qatar Gas is undoubtedly competitive, reflecting the company's stature and operational complexity. But it’s a worthwhile pursuit for professionals who thrive on technical challenges, value a strong safety culture, and want to work within an influential global LNG leader. The recruitment process, while demanding, is transparent and designed to select candidates who not only meet but embody Qatar Gas’s high standards.

Preparation is the key that unlocks success here—deep technical knowledge, cultural alignment, and a strategic approach to interview questions will set you apart. Remember, this isn’t just about getting a job; it’s about joining a critical energy institution where your contributions resonate globally.

Qatar Gas Interview Questions and Answers

Updated 21 Feb 2026

Mechanical Engineer Interview Experience

Candidate: Yousef Al-Thani

Experience Level: Senior

Applied Via: Recruitment agency

Difficulty:

Final Result:

Interview Process

4 rounds

Questions Asked

  • Describe your experience with LNG plant equipment.
  • How do you troubleshoot mechanical failures?
  • Explain a complex engineering problem you solved.

Advice

Brush up on LNG-specific mechanical systems and prepare detailed examples of problem-solving.

Full Experience

I was approached by a recruitment agency and went through several interview stages including HR, technical, and panel interviews. The technical questions were in-depth and focused on LNG plant machinery. Although I was not selected, the feedback was constructive.

Finance Analyst Interview Experience

Candidate: Fatima Al-Naimi

Experience Level: Mid-level

Applied Via: LinkedIn job posting

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • Explain financial modeling techniques you use.
  • How do you ensure accuracy in financial reports?
  • Describe a time you identified cost-saving opportunities.

Advice

Be prepared to discuss technical finance skills and demonstrate analytical thinking.

Full Experience

I applied through LinkedIn and was contacted for an initial HR screening. The subsequent rounds involved technical finance questions and a case study. The interviewers were professional and the process was well-structured.

Health, Safety and Environment (HSE) Specialist Interview Experience

Candidate: Mohammed Al-Hajri

Experience Level: Entry-level

Applied Via: Campus recruitment

Difficulty:

Final Result:

Interview Process

2 rounds

Questions Asked

  • What are the key components of an HSE management system?
  • How would you handle a safety violation on site?

Advice

Focus on safety regulations and real-life application of HSE principles.

Full Experience

I applied through my university's career fair where Qatar Gas had a booth. The interview was straightforward with questions on safety standards and situational responses. I was offered an internship which gave me valuable industry exposure.

Project Manager Interview Experience

Candidate: Sara Al-Kuwari

Experience Level: Senior

Applied Via: Referral from a current employee

Difficulty:

Final Result:

Interview Process

4 rounds

Questions Asked

  • How do you manage project risks?
  • Describe your experience with multi-disciplinary teams.
  • Explain a time you handled a project delay.

Advice

Demonstrate strong leadership and problem-solving skills with concrete examples.

Full Experience

I was referred by a colleague and went through multiple rounds including HR, technical, and leadership interviews. The questions were scenario-based and required detailed answers. Although I was not selected, the experience helped me understand the company culture better.

Process Engineer Interview Experience

Candidate: Ahmed Al-Mansoori

Experience Level: Mid-level

Applied Via: Online application via company website

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • Explain the process flow in LNG production.
  • How do you handle process optimization?
  • Describe a challenging project you managed.

Advice

Prepare well on technical process engineering concepts and be ready to discuss past projects in detail.

Full Experience

I applied through the Qatar Gas careers portal and was invited for a technical interview after initial screening. The first round was HR screening, followed by a technical interview focusing on LNG processes. The final round was with the department head discussing my experience and fit for the team. The process was smooth and professional.

View all interview questions

Frequently Asked Questions in Qatar Gas

Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.

Common Interview Questions in Qatar Gas

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: 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: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.

Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.

Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...

Q: 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.) (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?

Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?

Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p

Q: 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: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...

Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.

Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....

Q: 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: 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. 

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 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 ?

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