About Course5 Intelligence
Company Description
Course5 Intelligence is a leading provider of data analytics and insights-driven solutions that empower businesses to make informed decisions. Founded on the principles of innovation and excellence, Course5 combines advanced analytics, artificial intelligence, and machine learning to deliver transformative insights across various industries. The company fosters a dynamic and collaborative work culture, where employees are encouraged to think creatively and contribute to the collective success of the organization. Emphasizing continuous learning and professional development, Course5 creates an environment that values diversity, agility, and teamwork, making it an ideal place for aspiring professionals to thrive.
Data Scientist Interview Questions
Q1: What is your experience with machine learning algorithms?
I have experience implementing various machine learning algorithms, including linear regression, decision trees, and neural networks. In my previous role, I developed predictive models that improved customer retention rates by analyzing historical data.
Q2: Can you explain the difference between supervised and unsupervised learning?
Supervised learning involves training a model on labeled data, where the outcome is known, to make predictions on new data. Unsupervised learning, on the other hand, deals with unlabeled data, aiming to identify patterns or groupings without predefined categories.
Q3: How do you handle missing data in a dataset?
I typically handle missing data by employing techniques such as imputation, where I replace missing values with the mean, median, or mode, or by using predictive modeling to estimate missing values based on other variables.
Q4: Describe a project where you used data visualization to communicate findings.
In a project analyzing customer feedback, I used Python libraries like Matplotlib and Seaborn to create visualizations that highlighted trends and insights. This helped stakeholders quickly grasp the key takeaways and make data-driven decisions.
Q5: What tools and technologies do you prefer for data analysis?
I prefer using tools such as Python and R for data analysis due to their extensive libraries and community support. Additionally, I have experience with SQL for database management and Tableau for data visualization.
Business Analyst Interview Questions
Q1: What methodologies do you use for requirement gathering?
I utilize both interviews and surveys to gather requirements, as well as workshops with stakeholders to ensure a comprehensive understanding of project needs. Agile methodologies also play a significant role in my approach.
Q2: Can you explain the role of a Business Analyst in a project lifecycle?
A Business Analyst serves as a bridge between stakeholders and the development team, ensuring that business requirements are accurately captured and translated into functional specifications throughout the project lifecycle.
Q3: How do you prioritize competing project requirements?
I use a combination of stakeholder input and impact analysis to prioritize requirements. I assess factors such as business value, feasibility, and alignment with strategic goals to ensure that the most critical needs are addressed first.
Q4: Describe a time when you faced a challenge in a project and how you overcame it.
In a previous project, a key stakeholder changed their requirements midway. I scheduled a meeting to address their concerns directly, allowing us to realign project goals and maintain momentum while ensuring stakeholder satisfaction.
Q5: What tools do you use for documentation and project management?
I frequently use tools like JIRA for tracking project tasks, Confluence for documentation, and Microsoft Visio for creating process flows and diagrams to visualize workflows.
Data Engineer Interview Questions
Q1: What experience do you have with ETL processes?
I have extensive experience designing and implementing ETL processes using tools like Apache NiFi and Talend. My focus has been on ensuring data quality and efficiency in the data pipeline from source to storage.
Q2: How do you ensure data quality and integrity in your work?
I implement validation checks at various stages of the data processing pipeline and maintain thorough documentation. Regular audits and monitoring of data quality metrics also help ensure integrity.
Q3: Describe your experience with big data technologies.
I have worked with big data technologies such as Hadoop and Apache Spark for processing large datasets. I have utilized these tools to build scalable data processing solutions that enhance performance and reduce processing time.
Q4: Can you explain what a data lake is and how it differs from a data warehouse?
A data lake is a storage repository that holds vast amounts of raw data in its native format until it's needed, while a data warehouse stores structured data optimized for querying and reporting. Data lakes are more flexible for big data use cases.
Q5: What programming languages are you proficient in for data engineering tasks?
I am proficient in Python and Java for data engineering tasks, as well as SQL for database querying. These languages allow me to efficiently manipulate data and develop robust data processing applications.
Marketing Analyst Interview Questions
Q1: How do you analyze marketing campaign performance?
I analyze marketing campaign performance by tracking KPIs such as conversion rates, customer acquisition costs, and ROI. I use tools like Google Analytics and marketing automation platforms to gather and analyze data.
Q2: What experience do you have with A/B testing?
I have conducted numerous A/B tests to evaluate different marketing strategies. By comparing the performance of two variations, I can determine which approach yields better results and make data-driven recommendations.
Q3: Can you explain the importance of customer segmentation in marketing?
Customer segmentation is crucial as it allows marketers to tailor campaigns to specific groups, enhancing engagement and conversion rates. By understanding different customer behaviors and preferences, we can deliver more personalized messaging.
Q4: Describe a successful marketing project you contributed to.
In a previous role, I played a key part in a product launch campaign that involved market research and audience segmentation. The campaign exceeded our sales targets by 25%, demonstrating the effectiveness of our targeted approach.
Q5: What tools do you use for data analysis in marketing?
I utilize tools such as Google Analytics for web traffic analysis, HubSpot for marketing automation, and Excel for data manipulation and visualization. These tools help in deriving actionable insights from marketing data.
Company Background and Industry Position
Course5 Intelligence stands as a prominent player in the data analytics and artificial intelligence consulting space, serving a diverse portfolio of clients ranging from Fortune 500 companies to nimble mid-sized businesses. Founded with the vision of translating complex data into actionable business insights, Course5 has carved a niche by blending deep domain knowledge with cutting-edge technology solutions.
In an industry flooded with analytics providers, Course5’s emphasis on integrating AI-driven strategies with business outcomes positions it uniquely. Their clientele spans sectors like retail, healthcare, and finance, areas where data-driven decision-making is increasingly mission-critical. Understanding this backdrop is crucial for candidates because the company’s hiring process reflects its dual focus on technical prowess and business acumen.
How the Hiring Process Works
- Application Screening: This is the initial gatekeeper stage where HR evaluates resumes for alignment with job roles and eligibility criteria. They heavily weigh relevant experience and educational background here. For niche roles, certifications or project portfolios can tip the scale.
- Telephonic or Video Screening: A recruiter or HR professional typically conducts this concise conversation to assess communication skills, basic role fit, and candidate motivation. It’s less about technical depth and more about cultural fit and clarity of career goals.
- Technical Assessment: Depending on the role, candidates face either a coding test, case study, or data analysis task. This step gauges hands-on capabilities and problem-solving approach. For business analyst roles, expect scenario-based questions; for data scientists, algorithmic or statistical challenges are common.
- Technical Interview Rounds: These are deeper dives with subject matter experts where candidates discuss past projects, tackle real-world problems, and demonstrate domain knowledge. Interviewers look not only for technical accuracy but also for logical thinking and creativity in solutions.
- HR Interview: The final formal touchpoint where behavioral questions, alignment with organizational values, salary expectations, and potential career trajectory discussions happen.
- Offer and Negotiation: Candidates who clear all rounds receive an offer outlining the compensation package and role specifics.
Interview Stages Explained
Application and Resume Screening
Often underestimated, this step is foundational. HR recruiters sift through mountains of applications looking for clear signals that a candidate matches the job’s core requirements. A resume cluttered with irrelevant details or lacking quantifiable achievements often gets passed over. More than just keywords, recruiters want to see evidence of problem-solving, impact, and growth trajectory.
Preliminary HR Call
This stage is a subtle dance. The recruiter is friendly but probing, assessing whether the candidate understands Course5’s business and the role’s demands. They’re also sizing up soft skills—communication clarity, enthusiasm, and cultural fit. For many candidates, this is their first real chance to establish rapport and stand out beyond their CV.
Technical Assessment
In a market where data skills are both abundant and varied, Course5 uses this round to separate theoretical knowledge from practical expertise. For instance, a data analyst might get a dataset to clean and interpret under time constraints, while a data scientist could be tasked with building a predictive model using Python or R. This test reflects real job scenarios rather than isolated quizzes, meaning it’s designed to assess how candidates think and apply tools rather than test memorized facts.
Technical Interview(s)
Here’s where the real scrutiny happens. Held by experienced team members, this round challenges candidates to articulate their thought process clearly and justify their solutions. It’s not just about the right answer but how they arrive at it. Interviewers might throw curveballs—“What if the data is incomplete?” or “How would you handle conflicting stakeholder requirements?” This stage mirrors the collaborative and dynamic nature of Course5’s projects, where technical skills meet client-facing problem-solving.
HR and Culture Fit Interview
This final interaction often decides the intangible “fit.” Course5 prides itself on a culture of curiosity and continuous learning, so expect questions probing adaptability, teamwork, and ethical judgment. Salary discussions also surface here, so candidates should be ready with realistic expectations based on market research and role seniority.
Examples of Questions Candidates Report
- Technical: “Explain how you would handle missing values in a large dataset before running a predictive analysis.”
- Scenario-Based: “Imagine a retail client wants to optimize inventory using AI. What initial steps would you recommend?”
- Coding: “Write a function to detect anomalies in time-series sales data.”
- Behavioral: “Describe a time when you had conflicting priorities. How did you manage it?”
- Analytical: “If given a dataset with millions of records, how would you ensure the model you build is scalable and reliable?”
- Culture Fit: “What motivates you to work in a fast-evolving AI consulting firm?”
Eligibility Expectations
Course5 Intelligence is not just looking for degrees on paper but evidence of practical skills and a mindset aligned with data-driven problem-solving. Most roles demand a minimum of a bachelor's degree in engineering, computer science, statistics, business analytics, or related fields. For senior positions, a master's or relevant certification (like Certified Analytics Professional or equivalent) can be decisive.
Experience expectations vary widely—from freshers with strong internships and project portfolios for analyst roles to several years of client-facing data science experience for consultants and solution architects. Importantly, eligibility also encompasses cultural fit and the ability to navigate ambiguous, evolving project requirements.
Common Job Roles and Departments
Course5 Intelligence’s recruitment centers largely around these departments:
- Data Science & Machine Learning: Crafting predictive models, NLP solutions, and AI-driven insights.
- Business Analytics: Translating data outputs into strategic business recommendations.
- Data Engineering: Building the infrastructure to support massive data workflows.
- Consulting & Client Services: Managing client engagements and tailoring solutions to specific needs.
- Product Management & Strategy: Shaping the direction of analytics products and service offerings.
Each role demands a unique blend of technical skills and interpersonal abilities, and understanding this helps candidates prepare accordingly rather than applying blindly.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Data Analyst (Entry Level) | ₹4.5 - ₹7 LPA |
| Data Scientist (Mid-Level) | ₹10 - ₹15 LPA |
| Data Engineer | ₹8 - ₹14 LPA |
| Consulting Analyst | ₹6 - ₹10 LPA |
| Senior Data Scientist / Lead | ₹18 - ₹25 LPA |
| Product Manager | ₹15 - ₹22 LPA |
Compared to industry giants like Mu Sigma or Fractal Analytics, Course5 tends to offer competitive but slightly leaner packages, compensating with opportunities for rapid growth and exposure to diverse projects. Candidates should weigh salary alongside learning prospects and work-life balance.
Interview Difficulty Analysis
Candidate experiences often reflect a balanced challenge — the interview process is rigorous but fair. The technical rounds are not traps but designed to mimic real work scenarios. That said, those without hands-on experience or familiarity with current analytical tools and frameworks may find the rounds tough going.
The HR rounds, while seemingly straightforward, are probing enough to assess personality fit and motivation genuinely. A common observation is that candidates sometimes underestimate the behavioral rounds, which can become the deciding factor when technical skills of finalists are comparable.
Preparation Strategy That Works
- Start with a strong grasp of data analytics fundamentals—statistics, SQL, and data visualization tools.
- Practice coding problems focusing on Python or R relevant to data handling and algorithmic thinking.
- Review real-world case studies from sectors Course5 serves, like retail or healthcare, to internalize problem contexts.
- Develop stories around your past experiences highlighting problem-solving, teamwork, and adaptability.
- Engage in mock interviews that simulate both technical and HR rounds to build confidence and receive feedback.
- Stay updated on AI and analytics trends because Course5 values candidates who demonstrate curiosity and continuous learning.
Work Environment and Culture Insights
Course5 Intelligence fosters an atmosphere where curiosity is encouraged and learning is continuous. It’s common to hear from insiders about the collaborative spirit prevalent in teams, where senior members actively mentor juniors. The work rhythm can be intense around project deliveries but the leadership emphasizes balance and mental well-being.
Unlike more rigid corporations, Course5 nurtures innovation, often encouraging employees to propose new methodologies or tools to enhance client outcomes. This culture attracts candidates who are self-starters and comfortable with ambiguity.
Career Growth and Learning Opportunities
One of the compelling reasons candidates choose Course5 is the clear pathway for growth. Employees frequently mention the availability of internal training programs, certifications, and cross-functional project opportunities. The company invests in skill development, recognizing that data science and AI are rapidly evolving domains.
Promotion cycles are typically annual but based on demonstrated performance and initiative. For those passionate about leadership, there’s scope to transition into managerial roles or specialized consultant tracks. The exposure to diverse industries further enriches career progression.
Real Candidate Experience Patterns
From what many applicants recount, the process can be simultaneously exciting and nerve-wracking. The technical assessments often surprise candidates with their practical slant, which forces some to rethink rote preparation. Some recount spending nights debugging test problems or framing business insights on limited data.
On the positive side, many praise the transparency and professional conduct of the recruiters, which makes the candidate experience less daunting. A handful reported that interviewers invested time in clarifying doubts rather than rushing through, which reflects the company’s commitment to finding the right fit beyond just scores.
Comparison With Other Employers
| Aspect | Course5 Intelligence | Mu Sigma | Fractal Analytics |
|---|---|---|---|
| Technical Rigor | Moderate to High, practical focus | High, algorithm intensive | High, domain-heavy |
| Interview Duration | 3-4 rounds over 1-2 weeks | Up to 5 rounds, longer process | 3-5 rounds, includes case studies |
| Salary Competitiveness | Competitive, slightly below top tier | High | High |
| Culture | Collaborative, learning-oriented | Competitive and fast-paced | Innovative with strong mentorship |
| Growth Opportunities | Strong internal training and rotation | Robust but intense | Focused on domain expertise |
Expert Advice for Applicants
Don’t just prepare to answer questions—prepare to showcase your thought process. Interviewers at Course5 want to understand how you approach complex problems, break them down, and communicate your reasoning clearly. That means practicing articulating your work, even if technical concepts feel second nature.
Also, tailor your preparation to the role. For instance, a data engineer should focus more on scalable architectures and ETL pipelines, while a business analyst should hone business storytelling and stakeholder engagement scenarios. Remember, the company appreciates candidates who bring domain insights relevant to their business verticals.
Lastly, research their latest projects or blog posts to weave in context. It demonstrates genuine interest and can turn a generic interview into a memorable conversation.
Frequently Asked Questions
What is the typical duration of the Course5 hiring process?
The entire process usually spans 1 to 3 weeks depending on the role and candidate availability. Technical rounds tend to be scheduled closely, but there can be gaps before HR interviews or offer discussions.
Does Course5 Intelligence require specific certifications?
While not mandatory, certifications like Google Data Analytics, Certified Analytics Professional, or cloud platform certifications can enhance your profile, especially for mid to senior-level roles.
Are fresh graduates considered for data science roles?
Yes, but they must demonstrate strong academic records, internships, or projects showcasing hands-on data skills and a learning mindset.
How important is cultural fit in Course5’s selection process?
Very important. The company emphasizes teamwork, ethical decision-making, and adaptability. Your ability to align with these values can be a deciding factor, especially when technical skills are comparable among candidates.
Is negotiation on salary common during the offer stage?
Negotiations are possible but should be realistic and based on market research. Being transparent about your expectations upfront during HR discussions smoothens this process.
Final Perspective
For anyone eyeing a career in data analytics or AI consulting, Course5 Intelligence offers a compelling, challenging, and rewarding environment. The interview process is crafted not just to test your skills but to see if you can thrive in a fast-paced, innovation-driven culture. It’s a place that values curiosity and practical knowledge over textbook answers.
Preparing well means going beyond typical interview questions—immerse yourself in real-world problems, sharpen your storytelling, and align your career goals with the company’s mission. If you can do that, Course5 might just be the launchpad for an exhilarating data-driven career.
Course5 Intelligence Interview Questions and Answers
Updated 21 Feb 2026AI Research Scientist Interview Experience
Candidate: Priya Nair
Experience Level: Senior
Applied Via: Company Website
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Discuss recent advancements in NLP.
- How do you approach research problem formulation?
- Explain transformer architectures.
- Describe a published paper you contributed to.
- Design an experiment to test a new AI model.
Advice
Have a strong grasp of current AI research and be ready to discuss your publications and experiments in detail.
Full Experience
The interview process was rigorous with multiple rounds including a research presentation, technical deep dives, and discussions on AI ethics and future trends. The interviewers were experts in the field and expected a high level of domain knowledge. Despite the rejection, it was a great learning experience.
Data Engineer Interview Experience
Candidate: Karan Mehta
Experience Level: Mid-level
Applied Via: Recruitment Agency
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain ETL process.
- How do you ensure data quality?
- Write a Python script to parse JSON data.
- What databases have you worked with?
- Describe your experience with cloud platforms.
Advice
Focus on practical data engineering skills and scripting abilities.
Full Experience
The recruitment agency scheduled the initial phone screen which covered my technical background. The second round was a technical interview with coding and scenario questions. The final round was with the team lead discussing project experiences and cloud infrastructure. The interviewers emphasized real-world problem solving.
Business Analyst Interview Experience
Candidate: Sneha Gupta
Experience Level: Entry-level
Applied Via: LinkedIn
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- How do you gather requirements from stakeholders?
- Explain a time you handled conflicting priorities.
- What tools do you use for data visualization?
- Describe your experience with SQL or Excel.
Advice
Be clear about your communication skills and ability to work with cross-functional teams.
Full Experience
Applied via LinkedIn and was contacted for a phone interview focusing on my communication and analytical skills. The second round was a video interview with scenario-based questions and a small case study. The interviewers were supportive and gave me a chance to explain my thought process thoroughly.
Machine Learning Engineer Interview Experience
Candidate: Rohit Verma
Experience Level: Senior
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain the bias-variance tradeoff.
- How do you optimize hyperparameters in a model?
- Describe a time you improved model performance significantly.
- Implement gradient descent algorithm.
- What are the challenges of deploying ML models in production?
Advice
Prepare for in-depth algorithm questions and system design related to ML deployment.
Full Experience
I was referred by a current employee which got me a quick interview slot. The rounds included a technical phone interview, a coding challenge, a system design interview focused on ML pipelines, and a final HR round. The technical rounds were challenging, especially the system design. Although I didn't get the offer, the experience was valuable for understanding their expectations.
Data Scientist Interview Experience
Candidate: Anita Sharma
Experience Level: Mid-level
Applied Via: Company Website
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain a machine learning project you worked on.
- How do you handle missing data in a dataset?
- Describe the difference between supervised and unsupervised learning.
- Write a SQL query to find the second highest salary in a table.
- How do you evaluate the performance of a classification model?
Advice
Brush up on SQL and machine learning concepts, and be ready to discuss your past projects in detail.
Full Experience
The process started with an online application followed by a technical phone screen focusing on data science fundamentals and SQL. The second round was a coding test with data manipulation tasks and a case study discussion. The final round was an in-person interview with the team, including behavioral questions and a deep dive into my previous projects. Overall, the interviewers were friendly and interested in practical experience.
Frequently Asked Questions in Course5 Intelligence
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in Course5 Intelligence
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
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 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: 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: 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: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
Q: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: 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: 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: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A 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 ?