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welldev bangladesh ltd Recruitment Process, Interview Questions & Answers

Welldev Bangladesh Ltd’s hiring process consists of a technical assessment, followed by an HR interview. They particularly focus on candidates’ adaptability to project demands and communication skills during evaluation.
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About welldev bangladesh ltd

Company Description

WellDev Bangladesh Ltd is a prominent software development company specializing in custom software solutions, mobile applications, and enterprise-grade systems. Headquartered in Dhaka, Bangladesh, WellDev is part of the global WellDev group, with a presence in Switzerland and other international locations. The company serves clients across various industries, including e-commerce, finance, healthcare, and logistics, delivering tailored digital solutions that drive business success.

Work Culture & Environment

WellDev fosters a dynamic and inclusive work culture characterized by:

Collaborative Teamwork: Employees work in cross-functional teams, promoting knowledge sharing and collective problem-solving.

Continuous Learning: The company emphasizes skill development through training programs, mentorship, and exposure to cutting-edge technologies.

Flexible Work Arrangements: WellDev offers flexible working hours and hybrid work options to support work-life balance.

Employee Well-being: Comprehensive benefits include health insurance, paid time off, and wellness initiatives.

Innovative Projects: Teams engage in challenging projects that encourage creativity and technical excellence.

The work environment is fast-paced and supportive, encouraging employees to take initiative and contribute to the company's growth.

Job Roles & Interview Questions

1. Software Engineer

Skills (for reference): Proficiency in programming languages (e.g., Java, Python), problem-solving, algorithm design, version control (e.g., Git), software development methodologies (e.g., Agile).

Previous Roles (for reference): Junior Developer, Backend Developer, Full Stack Developer.

Q1: How do you approach debugging a complex issue in your code?

I begin by reproducing the issue, analyzing error logs, and using debugging tools to trace the problem. I isolate components to identify the root cause and implement a solution, followed by thorough testing.

Q2: Can you explain the concept of object-oriented programming and its benefits?

Object-oriented programming (OOP) is a paradigm that organizes code into objects, which bundle data and methods. Benefits include modularity, reusability, and easier maintenance.

Q3: Describe a challenging project you worked on and how you overcame obstacles.

In a recent project, we faced performance issues due to inefficient database queries. I optimized the queries, implemented caching, and improved indexing, resulting in a significant performance boost.

Q4: How do you ensure code quality and maintainability?

I adhere to coding standards, write unit tests, conduct code reviews, and document code to ensure clarity and maintainability.

Q5: What is your experience with version control systems like Git?

I regularly use Git for source code management, including branching, merging, and resolving conflicts, to collaborate effectively with team members.

Q6: How do you stay updated with the latest developments in technology?

I follow industry blogs, participate in online courses, attend webinars, and engage with developer communities to keep my skills current.

Q7: Can you explain the difference between synchronous and asynchronous programming?

Synchronous programming executes tasks sequentially, blocking subsequent operations until completion. Asynchronous programming allows tasks to run concurrently, improving efficiency and responsiveness.

2. Quality Assurance (QA) Engineer

Skills (for reference): Knowledge of testing methodologies (e.g., manual, automated), attention to detail, familiarity with testing tools (e.g., Selenium, JIRA), understanding of software development life cycle.

Previous Roles (for reference): QA Tester, Manual Tester, Automation Engineer.

Q1: How do you approach writing test cases for a new application feature?

I analyze the feature's requirements, identify possible edge cases, and write test cases covering functional and non-functional aspects, ensuring comprehensive coverage.

Q2: Can you explain the difference between functional and non-functional testing?

Functional testing verifies that the software behaves as expected, while non-functional testing assesses aspects like performance, usability, and security.

Q3: Describe a time when you identified a critical bug during testing.

During regression testing, I discovered a memory leak that could have led to system crashes. I reported it promptly, and the development team addressed it before release.

Q4: How do you prioritize test cases when time is limited?

I prioritize test cases based on risk assessment, focusing on critical functionalities and areas with recent changes.

Q5: What is your experience with automated testing tools?

I have experience using tools like Selenium and JUnit to automate repetitive test cases, improving efficiency and coverage.

Q6: How do you handle situations where developers disagree with your bug reports?

I provide clear documentation and evidence of the issue, collaborate with developers to understand their perspective, and work together to resolve discrepancies.

Q7: How do you ensure effective communication between QA and development teams?

I maintain regular communication through meetings and documentation, ensuring that both teams are aligned on project goals and timelines.

3. UI/UX Designer

Skills (for reference): Proficiency in design tools (e.g., Adobe XD, Figma), understanding of user-centered design principles, wireframing, prototyping, user research.

Previous Roles (for reference): Junior Designer, Interaction Designer, Usability Analyst.

Q1: How do you approach designing a user-friendly interface?

I conduct user research to understand needs, create wireframes and prototypes, and iterate based on feedback to ensure the design is intuitive and accessible.

Q2: Can you explain the importance of responsive design?

Responsive design ensures that applications provide optimal viewing experiences across a range of devices, enhancing user satisfaction and accessibility.

Q3: Describe a project where you improved the user experience.

In a recent project, I redesigned the navigation flow based on user feedback, resulting in a 30% increase in user engagement.

Q4: How do you incorporate accessibility into your designs?

I follow WCAG guidelines, use high-contrast colors, provide text alternatives for non-text content, and ensure keyboard navigability.

Q5: What is your process for conducting user testing?

I define objectives, recruit representative users, conduct usability tests, analyze results, and make design adjustments based on findings.

Q6: How do you handle feedback from stakeholders with differing opinions?

I facilitate discussions to understand perspectives, present data to support design decisions, and find compromises that align with user needs and business goals.

Q7: How do you stay updated with design trends and tools?

I follow design blogs, participate in online communities, attend workshops, and explore new tools to keep my skills current.

4. Business Analyst

Skills (for reference): Requirements gathering, process modeling, data analysis, stakeholder communication, proficiency in tools like MS Visio, JIRA.

Previous Roles (for reference): Junior Analyst, Systems Analyst, Requirements Engineer.

Q1: How do you gather requirements from stakeholders?

I conduct interviews, surveys, and workshops, and review existing documentation to collect comprehensive requirements.

Q2: Can you explain the difference between functional and non-functional requirements?

Functional requirements define what the system should do, while non-functional requirements specify how the system performs under certain conditions.

Q3: Describe a time when you identified a process improvement opportunity.

I analyzed workflow inefficiencies and proposed automation solutions, resulting in a 20% reduction in processing time.

Q4: How do you handle conflicting requirements from different stakeholders?

I facilitate discussions to understand underlying needs, prioritize requirements based on business value, and seek consensus.

Q5: What is your experience with process modeling techniques?

I use BPMN and UML diagrams to model business processes, ensuring clarity and consistency in documentation.

Q6: How do you ensure that requirements are accurately implemented?

I maintain clear communication with development teams, participate in reviews, and conduct validation sessions to ensure alignment.

Q7: How do you manage scope changes during a project?

I assess the impact of changes, update documentation, communicate with stakeholders, and ensure that changes are properly implemented.

5. Project Manager

Skills (for reference): Project planning, risk management, budgeting, stakeholder communication, proficiency in project management tools (e.g., MS Project, JIRA).

Previous Roles (for reference): Assistant Project Manager, Scrum Master, Program Coordinator.

Q1: How do you initiate a new project?

I define project objectives, identify stakeholders, develop a project charter, and establish a project plan outlining scope, timeline, and resources.

Q2: Can you explain the concept of Agile project management?

Agile is an iterative approach focusing on collaboration, flexibility, and customer feedback, allowing for adaptive planning and continuous improvement.

Q3: Describe a challenging project you managed and how you ensured its success.

I managed a project with tight deadlines and resource constraints by prioritizing tasks, reallocating resources, and maintaining clear communication, leading to successful delivery.

Q4: How do you handle project risks?

I identify potential risks early, assess their impact, develop mitigation strategies, and monitor risks throughout the project lifecycle.

Q5: How do you ensure effective communication among project stakeholders?

I establish regular communication channels, provide timely updates, and facilitate meetings to ensure alignment and address concerns.

Q6: How do you manage project budgets?

I develop detailed budgets, monitor expenditures, and implement cost-control measures to ensure projects are completed within financial constraints.

Q7: How do you close a project?

I conduct a final review, ensure all deliverables are met, obtain stakeholder approval, and document lessons learned for future projects.

welldev bangladesh ltd Interview Guide

Company Background and Industry Position

Welldev Bangladesh Ltd has steadily carved out a niche in the country's burgeoning IT and software development sector. While it may not have the brand recognition of multinational giants operating locally, within Bangladesh's tech ecosystem, Welldev has built a reputation for specializing in customized software solutions, particularly catering to finance, healthcare, and government digital transformation projects.

Founded in the early 2010s, the firm has grown alongside Bangladesh’s increasing investment in digital infrastructure and the push to build local talent. What sets Welldev apart is its focus on blending agile methodologies with client-specific workflows, which demands a highly adaptable and technically proficient workforce. It’s this very combination that shapes their approach to recruitment and hiring, emphasizing both skill and cultural fit.

In the competitive landscape of Bangladesh’s IT industry, Welldev positions itself as a medium-sized player focusing on quality rather than volume. This is reflected in their hiring philosophy where meticulous screening and comprehensive evaluation are prioritized to ensure new hires align well with role requirements and company values.

How the Hiring Process Works

  1. Application and Resume Screening: The first step is usually a submission through the company’s careers portal or via recruitment agencies. Here, the recruitment team filters applications based on specific eligibility criteria such as educational background, technical skills, experience level, and role-specific requirements. This step weeds out unqualified candidates early on, allowing the team to focus on those who meet the baseline qualifications.
  2. Initial HR Screening Call: Shortlisted candidates typically receive a call from HR. This is more than a formality; it’s a quick gauge of communication skills, motivation, and alignment with company culture. They may ask about your availability, salary expectations, and what attracted you to Welldev. This round helps HR filter for candidates who not only qualify on paper but can also articulate why they want to join.
  3. Technical Assessment: Depending on the role, candidates might face online tests or technical assignments. These assessments look deeper into domain-specific knowledge such as programming languages, software design, or database skills. It’s clear they want to see how you think and solve problems rather than just test memory.
  4. Technical Interview: This is usually conducted by senior developers or team leads. It’s a two-way street: candidates get scrutinized on coding proficiency, problem-solving abilities, and sometimes system design. Interviewers probe into past projects, asking candidates to explain challenges faced, decision-making processes, and technology choices. It’s the crux of the selection process.
  5. HR Interview and Cultural Fit: Those who clear the technical rounds move on to a more detailed HR discussion. This part is not purely about rules and policies; it’s where Welldev wants to see if you’ll mesh well with their teamwork-driven culture, how you handle workplace conflicts, and your career aspirations. They’re interested in someone who is not just technically sound but can grow with the company.
  6. Final Offer and Negotiation: Selected candidates receive an offer letter, including details on salary range, benefits, and joining date. This stage may involve negotiation, especially for highly skilled or experienced professionals. Welldev tends to be transparent about compensation brackets, reflecting market standards but also the candidate’s value proposition.

Interview Stages Explained

Initial HR Screening: More Than Just Basics

Many candidates underestimate this phase, considering it a simple formality. But from what insiders share, this is the company’s first real chance to get a feel for your personality and communication style. HR representatives often look for clarity and confidence when candidates explain their background. For instance, if a candidate awkwardly fumbles over basic questions about their previous roles or gives vague reasons for applying, it raises red flags early.

This round also functions to set correct expectations around salary range and job role specifics. Welldev wants to avoid wasting time on mismatched expectations, so clear communication here is crucial. Candidates typically find that a warm, honest conversation works better than trying to oversell.

Technical Assessment: Screening for Problem-Solving Skills

The technical challenge is designed to assess practical skills under time constraints. Commonly, candidates encounter coding tests on platforms like HackerRank or Codility. But Welldev often supplements this with custom tasks reflective of real-world scenarios—say, debugging a piece of legacy code or optimizing a database query.

Why does Welldev emphasize this? Because they value developers who can not only write code but also think critically about software performance and maintainability. It’s a filter that separates those who know syntax from those who understand software engineering principles.

Technical Interview: Deep Dive Into Your Expertise

Experienced candidates often describe this stage as intense yet engaging. Interviewers typically dive into several areas:

  • Algorithmic problem solving
  • Previous project walkthroughs
  • System design questions tailored to role complexity
  • Scenario-based questions to assess troubleshooting skills

But beyond the technical challenge, interviewers are keen observers of attitude and communication. They want to see a candidate who can clearly explain their thought process and accept feedback gracefully.

HR and Cultural Fit Interview: Assessing Soft Skills

Soft skills are weighed heavily here. Expect behavioral questions that explore teamwork, conflict resolution, time management, and adaptability. Welldev's culture places importance on collaborative dynamics, so candidates who show openness and a willingness to learn tend to stand out.

Interestingly, some candidates note that this interview can sometimes feel more challenging than technical rounds because it’s less predictable. It’s wise to prepare real examples that demonstrate your interpersonal skills.

Examples of Questions Candidates Report

  • Technical Interview Questions: “Explain the difference between REST and SOAP APIs.” “How do you optimize a slow SQL query?” “Walk me through a recent project and the biggest technical challenge you solved.” “Design a simple URL shortening service.”
  • HR Interview Questions: “Tell me about a time you faced a conflict at work. How did you handle it?” “Why do you want to work with Welldev Bangladesh Ltd?” “Where do you see yourself in five years?” “How do you prioritize tasks when handling multiple deadlines?”
  • Technical Assessment Topics: Data structures (arrays, linked lists), algorithmic puzzles (sorting, searching), coding challenges specific to the role’s language (e.g., Python, Java, PHP).

Eligibility Expectations

Welldev Bangladesh generally looks for candidates with at least a bachelor's degree in Computer Science, Information Technology, or related fields. While they do consider fresh graduates for junior developer roles, most mid-to-senior positions require 2-5 years of hands-on experience.

The eligibility criteria also extend beyond academics. Proficiency in relevant programming languages, familiarity with frameworks like Laravel or React, and experience in agile project management can set candidates apart. Certifications are appreciated but not mandatory.

Importantly, the recruitment team pays attention to candidates’ problem-solving capacity and willingness to upskill. In a fast-paced tech environment, adaptability is key, so a demonstrated eagerness to learn new technologies often tips the scales during selection.

Common Job Roles and Departments

Welldev’s organizational structure revolves around core departments aligned with software development life cycles:

  • Software Development: Frontend, Backend, Full Stack Developers focusing on custom applications.
  • Quality Assurance: Test engineers specializing in manual and automated testing.
  • Project Management: Agile Scrum Masters and Project Coordinators ensuring timely deliveries.
  • Business Analysis: Analysts interfacing between clients and developers to refine requirements.
  • DevOps and Infrastructure: Engineers managing deployment pipelines and cloud environments.
  • Support and Maintenance: Teams dedicated to post-launch troubleshooting and updates.

Each department demands slightly different skill sets and interview focuses. For example, QA candidates will face more questions on testing methodologies, whereas developers encounter deep technical assessments.

Compensation and Salary Perspective

RoleEstimated Salary (Monthly BDT)
Junior Software Developer20,000 - 35,000
Mid-Level Developer35,000 - 60,000
Senior Developer / Tech Lead60,000 - 100,000
QA Engineer25,000 - 50,000
Project Manager70,000 - 120,000
Business Analyst40,000 - 70,000

Salary offers reflect the candidate's experience, technical proficiency, and negotiation. It's worth noting that while Welldev’s packages might not always match multinational firms, they compensate with a working environment that promotes learning and career growth.

Interview Difficulty Analysis

From what candidates describe, Welldev’s interview difficulty falls between moderate to challenging. The initial rounds tend to be straightforward, designed to filter out unqualified applicants. However, the technical interview can get quite rigorous, especially for senior roles.

What sets their process apart is the emphasis on practical problem solving rather than trick questions. Candidates who have practical project experience usually find the scenarios relatable, which eases some pressure. Yet, those lacking hands-on expertise often feel stuck, especially during system design discussions.

Compared to other Bangladesh-based IT firms, Welldev leans towards depth rather than breadth in assessment. So expect fewer curveball questions but more thorough evaluation in your chosen skill area.

Preparation Strategy That Works

  • Understand the Job Role Thoroughly: Before applying, dissect the job description and identify core skills. Tailor your preparation around these competencies.
  • Brush up on Fundamentals: Data structures, algorithms, and language syntax matter. Use platforms like LeetCode or HackerRank for quick practice.
  • Review Past Projects: Be ready to discuss previous work in granular detail—technologies used, obstacles overcome, and personal contributions.
  • Mock Interviews: Practice with peers or mentors. This helps reduce anxiety and refines your communication.
  • Prepare Behavioral Stories: Use the STAR (Situation, Task, Action, Result) method to structure responses about teamwork, conflict, or challenging situations.
  • Research Welldev’s Culture and Values: Know what drives the company. Align your answers to reflect your fit.
  • Stay Updated on Industry Trends: For roles like Business Analyst or Project Manager, knowledge of current IT trends in Bangladesh and globally adds value.

Work Environment and Culture Insights

Welldev fosters a culture that emphasizes collaboration and continuous improvement. Employees often mention a flat hierarchy where ideas can be freely shared across levels. The environment is relatively informal but professional, with flexible working hours accommodating productivity rhythms.

Team members typically work in agile squads, which encourages frequent communication and fast feedback cycles. While workload intensity varies by project, management demonstrates a commitment to preventing burnout. Although not a startup, Welldev’s atmosphere embraces innovation and responsiveness to change.

Candidates moving through the hiring funnel often note the warmth they encounter from interviewers, reflecting a sincere interest in people beyond just their resumes. It’s a subtle but noteworthy aspect of their candidate experience.

Career Growth and Learning Opportunities

Welldev invests in employee development through in-house training sessions, workshops, and support for external certifications. The company encourages lateral movement across departments to broaden skill sets, which is an attractive prospect for professionals looking to diversify.

Promotion paths are typically meritocratic but also dependent on demonstration of leadership qualities and technical expertise. Mentorship ties with senior engineers and project managers help new hires acclimate quickly and excel.

Given Bangladesh’s rapid digital transformation, working at Welldev offers exposure to trending technologies like AI, cloud computing, and fintech solutions—critical experience for future-proofing one’s career.

Real Candidate Experience Patterns

Looking at feedback shared on various forums, a common thread emerges: candidates appreciate the structured yet humane approach to recruitment. Many report that interviewers are patient and clarifying when questions seem ambiguous.

However, the technical rounds can be demanding, especially the system design cases. Fresh graduates sometimes find the process overwhelming, which reflects the company’s preference for candidates with some practical experience.

An interesting pattern is the importance placed on communication skills. Candidates who are technically competent but struggle to express their ideas clearly tend to fall short during interviews. Thus, success often hinges as much on presentation as on knowledge.

Post-interview, candidates frequently mention transparent and timely feedback, a refreshing change from many local firms where silence is the norm.

Comparison With Other Employers

AspectWelldev Bangladesh LtdCompeting Local IT FirmsMultinational IT Companies in Bangladesh
Interview ComplexityModerate to challenging, practical focusVaries widely, some focus on theoreticalOften rigorous with multiple rounds
Salary RangeCompetitive mid-marketOften lower, especially in startupsHigher, premium packages
Work CultureCollaborative, agile, supportiveMixed, some rigid hierarchiesStructured, formal but resource-rich
Growth OpportunitiesGood emphasis on learning & mentorshipSometimes limited in smaller firmsStrong, well-defined career ladders
Candidate ExperienceTransparent, communicativeOften inconsistentProfessional, polished

Expert Advice for Applicants

Don’t just prepare for the interview; prepare for the conversation. Welldev looks for candidates who engage genuinely and think on their feet. Brush up on your fundamentals, but also rehearse explaining your work with clarity and enthusiasm.

When faced with technical questions, take a moment to structure your thoughts before answering. Interviewers appreciate problem-solving done in a calm, systematic way. If you don’t know an answer, admit it honestly but express willingness to learn.

Remember to research Welldev’s recent projects and areas of expertise — showing you’ve done your homework signals commitment.

Finally, treat the HR interview as your chance to show your personality and soft skills. Authenticity here is your best asset.

Frequently Asked Questions

What technical skills does Welldev prioritize in candidates?

Welldev favors proficiency in core programming languages relevant to the job role—commonly Java, PHP, Python, and JavaScript. Knowledge of frameworks like Laravel or React, understanding of database management, and experience with agile development processes are highly valued.

How many recruitment rounds are there typically?

Usually, candidates go through 3 to 5 rounds: initial HR screening, technical assessment, one or two technical interviews, and a final HR/cultural fit interview. However, this can vary based on the role’s seniority.

Is prior experience mandatory to get hired?

Not necessarily for junior roles. Welldev recruits fresh graduates but expects them to demonstrate solid foundational knowledge and enthusiasm. For senior or specialized positions, 2+ years of relevant experience is generally expected.

What is the typical turnaround time after interviews?

Welldev is known to provide feedback within 1 to 2 weeks post-final interview, which is quicker than many local firms. This helps candidates plan their next steps more efficiently.

Does Welldev offer remote work options?

While traditionally office-based, Welldev has become more flexible post-pandemic, offering hybrid or remote working arrangements depending on project and role requirements.

Final Perspective

Welldev Bangladesh Ltd presents a compelling opportunity for professionals keen to grow in a technically demanding but supportive environment. Their hiring process reflects a balance—they are neither excessively corporate nor too casual. Candidates who approach the process with preparation, honesty, and a willingness to engage personally tend to find the experience rewarding.

In a growing market like Bangladesh, where IT firms vary widely, Welldev stands out for its transparent recruitment, clear communication, and focus on practical skills. If you’re aiming to join a company that values both what you know and who you are, investing time in understanding Welldev’s interview process and culture can give you a distinct edge.

welldev bangladesh ltd Interview Questions and Answers

Updated 21 Feb 2026

DevOps Engineer Interview Experience

Candidate: Rafiq Islam

Experience Level: Mid-level

Applied Via: Recruitment agency

Difficulty: Hard

Final Result: Rejected

Interview Process

3 rounds

Questions Asked

  • Explain CI/CD pipelines.
  • How do you monitor system performance?
  • Describe your experience with cloud platforms.
  • What scripting languages are you proficient in?

Advice

Gain deeper knowledge of cloud services and practical CI/CD experience.

Full Experience

The technical rounds were challenging with a focus on practical knowledge and problem-solving. I struggled with some cloud-related questions which impacted the final decision.

Business Analyst Interview Experience

Candidate: Nusrat Jahan

Experience Level: Mid-level

Applied Via: LinkedIn

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • How do you gather requirements?
  • Explain a time you resolved a conflict between stakeholders.
  • What tools do you use for documentation?
  • Describe a successful project you contributed to.

Advice

Be clear and concise in communication and prepare to discuss your analytical skills.

Full Experience

The interviewers were professional. The first round was HR, second was technical with scenario-based questions, and the last was with the team lead assessing cultural fit and problem-solving.

Project Manager Interview Experience

Candidate: Jahid Hasan

Experience Level: Senior

Applied Via: Company website

Difficulty: Hard

Final Result:

Interview Process

4 rounds

Questions Asked

  • Describe your project management methodology.
  • How do you handle scope creep?
  • Give an example of managing a difficult stakeholder.
  • Explain risk management strategies.

Advice

Prepare real-life examples and demonstrate leadership skills clearly.

Full Experience

The process was thorough, starting with HR, followed by technical and managerial interviews. The final round was with the director focusing on strategic alignment and leadership qualities.

Quality Assurance Engineer Interview Experience

Candidate: Fatima Noor

Experience Level: Entry-level

Applied Via: Referral

Difficulty: Easy

Final Result: Rejected

Interview Process

2 rounds

Questions Asked

  • What is the difference between verification and validation?
  • Describe your experience with automated testing tools.
  • How do you prioritize test cases?

Advice

Gain more hands-on experience with automation frameworks and improve communication skills.

Full Experience

The HR round was friendly and focused on my resume. The technical round tested my basic QA knowledge and approach to testing. I felt underprepared for automation questions.

Software Engineer Interview Experience

Candidate: Arif Rahman

Experience Level: Mid-level

Applied Via: Online job portal

Difficulty:

Final Result:

Interview Process

3 rounds

Questions Asked

  • Explain OOP concepts.
  • Describe a challenging bug you fixed.
  • How do you manage version control?
  • Write a function to reverse a linked list.

Advice

Brush up on data structures and be ready to discuss past projects in detail.

Full Experience

The first round was an HR screening focusing on my background and motivation. The second was a technical interview with coding questions and system design basics. The final round involved a senior developer assessing my problem-solving skills and cultural fit.

View all interview questions

Frequently Asked Questions in welldev bangladesh ltd

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

Common Interview Questions in welldev bangladesh ltd

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 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: 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: 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: 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: 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 is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.

Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?

Q: 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: 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: 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: 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: There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30...

Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?

Q: Four persons have to cross the bridge they are having one torch light. Four persons take 1,2,5,10 minutes respectively, when two persons are going they will take the time of the slowest person. What is the time taken to cross by all of them.

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