About Ennea
Company Description
Ennea is a forward-thinking technology company that specializes in software development and data analytics. With a mission to empower businesses through innovative tech solutions, Ennea fosters a collaborative work environment where creativity and diversity are celebrated. The company prioritizes employee well-being and professional development, offering flexible work arrangements and numerous opportunities for growth. The work culture is built on transparency, teamwork, and a shared passion for technology, ensuring that every employee feels valued and integral to the company's success.
Software Developer Interview Questions
Q1: What programming languages are you proficient in?
I am proficient in several programming languages, including Java, Python, and JavaScript. I have used these languages in various projects to develop scalable applications and enhance functionality.
Q2: Can you describe a challenging technical problem you faced and how you resolved it?
In one project, I encountered a performance bottleneck due to inefficient database queries. I analyzed the queries and optimized them by adding appropriate indexes and rewriting them for better performance, ultimately improving response time by 50%.
Q3: How do you ensure the quality of your code?
I follow best practices, such as writing unit tests and conducting code reviews with peers. I also use version control and continuous integration tools to maintain code quality and facilitate collaboration.
Q4: What is your experience with Agile methodologies?
I have worked in Agile environments for several years, participating in daily stand-ups, sprint planning, and retrospectives. This approach has helped me adapt to changing requirements and deliver incremental improvements effectively.
Q5: How do you stay updated with the latest technology trends?
I regularly attend tech meetups, read industry blogs, and participate in online courses. This helps me stay informed about emerging technologies and best practices in software development.
Data Analyst Interview Questions
Q1: What data analysis tools and software are you familiar with?
I am experienced in using tools such as Excel, SQL, Tableau, and Python for data analysis. Each tool has its strengths, and I choose based on the project requirements.
Q2: Can you explain a time when you used data to influence a decision?
In my previous role, I analyzed sales data to identify trends in customer purchasing behavior. My findings indicated a need for targeted marketing strategies, which led to a 20% increase in sales after implementation.
Q3: How do you handle missing or incomplete data in your analysis?
I assess the impact of missing data on my analysis and apply suitable strategies, such as data imputation or exclusion of certain data points, to ensure that the results remain robust and reliable.
Q4: Describe a complex dataset you worked with and how you approached it.
I once worked with a dataset containing customer feedback from multiple sources. I cleaned and normalized the data, used exploratory data analysis to uncover insights, and presented my findings to the management team.
Q5: What techniques do you use for data visualization?
I utilize various visualization techniques such as bar charts, line graphs, and heat maps to effectively communicate data insights. I focus on clarity and ensuring that the visuals support the narrative of the data being presented.
Project Manager Interview Questions
Q1: What project management methodologies are you familiar with?
I am well-versed in both Agile and Waterfall methodologies. I adapt my approach based on the project's nature, ensuring that the team can deliver value effectively.
Q2: How do you prioritize tasks and manage project timelines?
I use project management tools to break down tasks, set deadlines, and prioritize based on urgency and impact. Regular check-ins with the team help me adjust timelines as needed.
Q3: Describe a situation where you had to manage a conflict within your team.
I once faced a conflict between team members regarding project responsibilities. I facilitated a meeting where both parties could express their concerns and worked with them to redefine roles, leading to improved collaboration.
Q4: How do you handle changes in project scope?
I assess the impact of scope changes on timelines and resources and communicate transparently with stakeholders. I then work with the team to adjust project plans while ensuring we remain aligned with project goals.
Q5: What do you consider the most important qualities of a successful project manager?
A successful project manager must possess strong communication skills, adaptability, problem-solving abilities, and the capacity to motivate and inspire the team to achieve their best work.
Marketing Specialist Interview Questions
Q1: What digital marketing tools and platforms do you have experience with?
I have experience with tools like Google Analytics, HubSpot, and social media advertising platforms (Facebook Ads, LinkedIn Ads). These tools help me track performance and optimize campaigns.
Q2: Can you describe a successful marketing campaign you managed?
I managed a campaign that targeted an untapped demographic. By utilizing tailored content and strategic ad placements, we achieved a 30% increase in engagement and a 15% boost in conversions.
Q3: How do you measure the success of your marketing efforts?
I track KPIs such as website traffic, conversion rates, and customer engagement metrics. Analyzing these metrics helps me understand the campaign's effectiveness and areas for improvement.
Q4: What strategies do you use for content creation?
I focus on audience research to create relevant and valuable content. I also leverage SEO best practices to ensure that the content reaches a wider audience and meets their needs.
Q5: How do you stay current with marketing trends?
I regularly read industry publications, attend webinars, and participate in networking events to stay informed about the latest marketing trends and best practices.
These questions are tailored to the job roles typically found in a technology-oriented company like Ennea, ensuring that candidates are assessed on relevant skills and experiences.
Company Background and Industry Position
Ennea has steadily carved a niche for itself in the technology consulting domain, focusing mainly on digital transformation services and enterprise software solutions. Though not a household name like some global giants, within its specialized sectors Ennea commands respect for delivering tailored, scalable tech services that align tightly with client needs. What’s interesting is how the company balances innovation with pragmatism—pushing the envelope without overpromising. This grounded approach, coupled with a diverse client portfolio spanning healthcare, finance, and manufacturing, positions Ennea as a mid-sized player that’s growing thoughtfully rather than explosively.
In the marketplace, Ennea often competes with firms like Cognizant and Infosys at the higher end, but it also overlaps with regional boutique consultancies offering niche expertise. This competitive positioning influences their recruitment strategy deeply—the firm looks for candidates who aren’t just technically sound, but adaptable and client-focused, ready to wear multiple hats as projects demand. In other words, it’s not just about raw skills; cultural fit and problem-solving agility often weigh heavily.
How the Hiring Process Works
- Application and Resume Screening: Unlike some tech behemoths that rely solely on automated filters, Ennea incorporates human oversight early in the resume review. Recruiters look beyond keywords to assess role relevance and career progression, aiming to flag candidates who demonstrate a balance between technical depth and versatility.
- Initial HR Telephonic Interview: This preliminary call isn’t just a formality. It’s designed to gauge communication skills, motivation, and basic alignment with company values—things that are surprisingly predictive of long-term fit in Ennea’s team-oriented environment.
- Technical Assessment: Depending on the role, candidates might face an online coding test, case study, or system design challenge. This step weeds out those who can theoretically solve problems but lack practical insight—a subtle but critical distinction in real projects.
- Technical Interview Rounds: Usually conducted by senior engineers or project managers, these interviews dig deep into your technical understanding and problem-solving approach. They’re less about rote memorization and more about how you think through complex scenarios.
- Managerial or Behavioral Interview: Focus here shifts to cultural fit, leadership potential, and soft skills. Candidates often report questions that explore past experiences dealing with conflicts, teamwork dynamics, and project handling.
- Final HR Discussion and Offer: The closing stage where salary expectations, joining timelines, and other logistical details are negotiated. It’s also a moment where candidates can clarify benefits and growth opportunities.
Interview Stages Explained
Resume Screening: Why It’s More than a Filter
Many candidates underestimate how tailored their resumes need to be. At Ennea, recruiters look for clues that applicants understand industry nuances relevant to the role. A generic CV often results in quick dismissal. Highlighting specific projects, quantifiable achievements, and relevant technologies signals seriousness and preparation.
HR Telephonic Interview: Setting the Tone
This round is an early tone-setter. Recruiters assess whether the candidate can articulate experiences clearly and express enthusiasm for the position. Also, they subtly evaluate if the candidate’s career goals sync with what Ennea offers. It’s a two-way street—candidates should use this chance to ask about company culture and job expectations.
Technical Assessments: Skill vs. Application
Ennea’s online tests aren’t just about passing. They’re designed to simulate real-world problems, testing logical thinking and coding efficiency. Some candidates find these challenges fairly representative of the daily work, while others struggle with the time pressure. Understanding why these assessments exist helps—Ennea wants people who can handle real tasks under deadlines, not just ace theoretical quizzes.
Technical Interviews: Thinking Aloud and Problem-Solving
Expect an interactive discussion rather than a grilling session. Interviewers appreciate when candidates verbalize their thought processes, even if they don’t arrive at a perfect solution immediately. They want to see reasoning, creativity, and a pragmatic approach to solving ambiguous problems.
Behavioral and Managerial Round: More than Just Soft Skills
Ennea’s recruiters dig into how you handle real workplace scenarios. It’s not about rehearsed answers but demonstrating emotional intelligence and resilience. Sharing stories about overcoming challenges or collaborating with difficult teammates often resonates well. This stage can feel subjective, but it’s critical for understanding fit within Ennea’s collaborative culture.
Final HR Negotiation: The Practical Wrap-Up
Beyond salary talks, this discussion often gives candidates their first concrete glimpse into benefits, work-life balance policies, and career development pathways. It’s a good moment to clarify anything ambiguous and ensure alignment before making a commitment.
Examples of Questions Candidates Report
- Technical Interview Questions: "Design a scalable notification system for millions of users," "Explain how you would optimize database queries in a slow-performing application," "Solve this coding challenge involving arrays and hash maps."
- Behavioral Questions: "Can you describe a time you had conflict with a team member and how you resolved it?" "Tell us about a project where you took initiative beyond your assigned tasks."
- HR Interview Questions: "Why Ennea and not other consulting firms?" "What are your career goals in the next five years?" "How do you handle feedback and criticism?"
Eligibility Expectations
Ennea maintains fairly clear-cut eligibility criteria, though they won’t be overtly rigid. For most technical roles, a bachelor’s degree in computer science, engineering, or related fields is expected, often with 2-5 years of experience depending on seniority. Certifications or specialized training in cloud technologies, Agile methodologies, or data science are a plus but not mandatory.
What’s nuanced is their preference for candidates who’ve demonstrated adaptability—switching between technologies, handling client-facing roles, or contributing to open-source projects. The company values continuous learners who proactively update their skillsets. Hence, eligibility isn’t just a checklist but a mindset.
Common Job Roles and Departments
Ennea’s recruitment spans several core departments:
- Software Development: Roles include full-stack developers, backend engineers, and QA specialists. Candidates often need familiarity with Java, Python, or JavaScript frameworks.
- Data Analytics and AI: Positions here focus on data scientists, machine learning engineers, and business intelligence analysts, requiring strong statistics and programming skills in R or Python.
- Project Management: Encompasses scrum masters and delivery managers skilled in Agile practices and client communication.
- Consulting and Solution Architecture: These candidates blend technical knowledge with strategic thinking, crafting solutions that align tech with business goals.
- Support and Maintenance: Roles handling client issues post-deployment, ensuring system stability and user satisfaction.
Compensation and Salary Perspective
| Role | Estimated Salary (Annual, USD) |
|---|---|
| Junior Software Developer | 35,000 – 50,000 |
| Senior Software Engineer | 65,000 – 90,000 |
| Data Scientist | 70,000 – 100,000 |
| Project Manager | 75,000 – 110,000 |
| Solution Architect | 90,000 – 130,000 |
These figures reflect Ennea’s mid-market positioning—competitive for regional players but slightly below cutting-edge tech giants. Benefits and growth opportunities often compensate for the relative salary moderation, making the overall package attractive for candidates prioritizing career development over immediate remuneration.
Interview Difficulty Analysis
Candidates often describe Ennea’s recruitment rounds as moderately challenging. The technical rounds are demanding but fair—if you’ve kept up with industry-standard algorithms and system design fundamentals, you should be able to navigate them with some preparation. What trips many up is the behavioral and managerial interview, mainly because it requires thoughtful self-reflection and storytelling skills, not just textbook answers.
Another factor adding to the challenge is the expectation to blend technical prowess with consulting mindset—being able to think on your feet about client scenarios is crucial. It’s a step beyond coding: it’s about communicating solutions clearly and convincingly.
Preparation Strategy That Works
- Understand the Job Role Deeply: Before anything else, review the job description carefully. Tailor your preparation around the specific technologies and soft skills emphasized.
- Practice Real-World Problems: Don’t just memorize algorithms. Solve system design questions and case studies that mimic on-the-job challenges.
- Mock Behavioral Interviews: Prepare stories from your experience that highlight teamwork, conflict resolution, and leadership moments. Use frameworks like STAR (Situation, Task, Action, Result) to structure narratives.
- Brush Up On Communication: Clear expression—both verbal and written—is key in Ennea’s client-focused environment. Practice explaining complex ideas simply and confidently.
- Research Ennea Thoroughly: Understand the company’s culture, values, recent projects, and industry standing. Tailor your questions and responses to reflect genuine interest.
- Stay Updated On Industry Trends: Being conversant about current technology trends relevant to Ennea’s domains can impress interviewers, demonstrating you’re a proactive learner.
Work Environment and Culture Insights
Inside Ennea, employees describe a culture that values collaboration heavily. It’s not a cutthroat, high-pressure place but rather one that encourages mutual support and continuous learning. Interviewers pick up on candidates’ interpersonal skills because team dynamics are crucial here. You’ll often hear about a flat hierarchy where feedback flows both ways, and nobody is too senior to listen.
That said, the company operates in a consulting framework with client deadlines, so a certain resilience and adaptability are expected. Employees generally appreciate the transparency and efforts toward work-life balance, although peak project times can be intense.
Career Growth and Learning Opportunities
Ennea has a reputation for nurturing talent internally. Many hires start in junior or mid-level roles and progress through mentorship programs and upskilling initiatives. The consulting nature means exposure to multiple industries, which broadens skillsets faster than in siloed companies.
The company invests in certifications and offers access to conferences and workshops. While the pace might not match startup agility, the structured growth pathways can be very appealing for those seeking steady, comprehensive development. Plus, the cross-functional nature of projects helps employees build a diverse portfolio of experiences.
Real Candidate Experience Patterns
Candidates often recount a mix of excitement and nervousness during the Ennea hiring process. The initial HR calls are reported as friendly and conversational, which helps ease first-timers. However, the technical rounds catch many by surprise with their complexity, especially system design and scenario-based questions.
Those who do well tend to be the ones who prepare beyond coding—thinking through how their solutions impact clients and business outcomes. Several former applicants mention that the interviewers genuinely want to see potential and are open to guided conversations rather than just cold testing.
On the flip side, some candidates find the availability of feedback inconsistent, which can leave them guessing about areas of improvement. Overall, transparency has room to improve, but the fairness of interviews stands out positively compared to some larger consulting firms.
Comparison With Other Employers
| Aspect | Ennea | Infosys | Cognizant |
|---|---|---|---|
| Interview Complexity | Moderate to High (balanced technical + behavioral) | Moderate (focus on coding and aptitude) | High (intense technical rounds) |
| Salary Competitiveness | Mid-market | Entry-level competitive | Above average |
| Work Culture | Collaborative and learning-focused | Process-driven, structured | Client-centric, fast-paced |
| Growth Opportunities | Structured with mentorship | Strong but often slow | Accelerated for high performers |
| Candidate Experience | Personalized, with room for feedback improvements | Standardized | Highly competitive and rigorous |
Expert Advice for Applicants
Don’t treat Ennea’s recruitment as a tick-box exercise. Instead, approach it like a conversation—one where you demonstrate not just skills but your thought process and cultural fit. Prepare for the unexpected. Sometimes interviewers throw curveballs to see how you recover or adapt.
Also, prioritize clarity in communication. Even the most brilliant solution loses impact if you can't explain it simply. If you’re switching domains or skills, be ready to explain your learning journey passionately—that often resonates well.
Last but not least, ask questions. Interviewers appreciate candidates who do their homework and show genuine curiosity about the company and role. It’s an opportunity to evaluate fit from your side too.
Frequently Asked Questions
What kind of technical interview questions should I expect at Ennea?
The questions range from coding challenges involving data structures and algorithms to system design and scenario-based problems relevant to real client projects. They seek to assess not only your coding skills but also your problem-solving methodology.
Is prior consulting experience mandatory?
No, but having experience or demonstrating aptitude for client-facing roles and adaptability can give you an edge. The ability to translate technical solutions into business value is highly valued.
How important is the HR interview compared to technical rounds?
Both are crucial. The HR round evaluates your fit within the company culture and communication skills, which are non-negotiable for Ennea’s collaborative environment. Technical competence is essential but must be complemented by strong interpersonal skills.
Does Ennea provide feedback after interviews?
Feedback practices vary. While some candidates receive detailed insights, others get minimal responses. It's often helpful to politely request feedback, but prepare for the possibility of limited information.
What’s the typical salary range for entry-level roles?
Entry-level salaries usually fall between $35,000 to $50,000 depending on location and skillset. There is room to grow with experience and performance.
Final Perspective
Ennea’s interview process is a thoughtful blend of assessing technical skill, cultural fit, and problem-solving mindset. It rewards candidates who prepare deeply, think critically, and communicate clearly. The company’s balanced approach to recruitment reflects its industry position—a firm that values steady growth, practical innovation, and strong client relationships.
If you’re aiming to join Ennea, think beyond the usual coding prep. Invest time understanding the business context of your role, nurture your soft skills, and be ready to engage authentically with your interviewers. The journey might be challenging, but it can open doors to rewarding career opportunities in a company that values people as much as technology.
Ennea Interview Questions and Answers
Updated 21 Feb 2026Quality Assurance Engineer Interview Experience
Candidate: Emily Zhang
Experience Level: Junior
Applied Via: Recruitment agency
Difficulty:
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- What is the difference between regression and smoke testing?
- Write test cases for a login feature.
- Describe a bug you found and how you reported it.
Advice
Gain hands-on experience with test case writing and familiarize yourself with common testing methodologies.
Full Experience
The first round was a technical phone interview focusing on testing concepts and scenarios. The second round was an in-person interview with practical exercises. Although I was not selected, the interviewers provided constructive feedback.
UX Designer Interview Experience
Candidate: David Kim
Experience Level: Mid-level
Applied Via: LinkedIn job application
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Walk us through your design portfolio.
- How do you incorporate user feedback into your designs?
- Design a simple onboarding flow for a mobile app.
Advice
Prepare a strong portfolio and be ready to explain your design decisions and process.
Full Experience
The first round was a portfolio review via video call. The second round involved a practical design task with a short deadline. The final round was a cultural fit interview with the team. The interviewers valued creativity and user-centered thinking.
Data Scientist Interview Experience
Candidate: Sara Patel
Experience Level: Entry-level
Applied Via: Campus recruitment
Difficulty:
Final Result:
Interview Process
2 rounds
Questions Asked
- Explain supervised vs unsupervised learning.
- How would you handle missing data in a dataset?
- Write SQL queries to extract data from a database.
Advice
Focus on fundamental machine learning concepts and SQL skills, and practice explaining your projects clearly.
Full Experience
The first round was a written test on statistics and machine learning basics. The second round was an interview with the data science team where I discussed my internship projects and solved some coding problems. The team was supportive and encouraging.
Product Manager Interview Experience
Candidate: Michael Lee
Experience Level: Senior
Applied Via: Referral from current employee
Difficulty:
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- How do you prioritize product features?
- Describe a time you managed conflicting stakeholder interests.
- Create a roadmap for a new mobile app feature.
- How do you measure product success?
Advice
Prepare to demonstrate strong leadership and strategic thinking skills, and be ready for case study questions.
Full Experience
The interview process was rigorous with multiple rounds including a case study presentation. The team was thorough in assessing my product management approach and communication skills. Although I didn't get the offer, the experience was valuable for my career growth.
Software Engineer Interview Experience
Candidate: Alice Johnson
Experience Level: Mid-level
Applied Via: Online application through company website
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the difference between REST and SOAP APIs.
- Write a function to reverse a linked list.
- Describe a challenging bug you fixed in a past project.
Advice
Brush up on data structures and algorithms, and be ready to discuss your past projects in detail.
Full Experience
The process started with an online coding test, followed by a technical phone interview focusing on algorithms and system design. The final round was an in-person interview with the team, including behavioral questions and a coding exercise. The interviewers were friendly and provided good feedback throughout.
Frequently Asked Questions in Ennea
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in Ennea
Q: A man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: 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: 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: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: 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: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: 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: 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: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: A man driving the car at twice the speed of auto one day he was driven car for 10 min. and car is failed. he left the car and took auto to go to the office .he spent 30 min. in the auto. what will be the time take by car to go office?