About marshall wace
Company Description
Marshall Wace is a leading investment management firm based in London, specializing in alternative investments and asset management. Established in 1997, the company is known for its innovative approach to equity long/short strategies, leveraging advanced quantitative techniques and a highly skilled research team. Marshall Wace prides itself on its collaborative work culture, where diversity of thought is encouraged, fostering an environment that promotes creativity and strategic risk-taking. The firm values integrity, transparency, and performance, striving to deliver exceptional results for its clients. Employees at Marshall Wace benefit from a dynamic and fast-paced job environment that emphasizes professional growth, continuous learning, and teamwork.
Investment Analyst Interview Questions
Q1: What financial metrics do you prioritize when evaluating a potential investment?
I prioritize metrics such as the Price-to-Earnings (P/E) ratio, Earnings Before Interest and Taxes (EBIT), and Return on Equity (ROE). These metrics provide insights into a company's valuation and operational efficiency, helping me assess its investment potential.
Q2: Can you describe a time when you successfully identified an undervalued stock?
In my previous role, I analyzed a mid-cap technology company that was undervalued due to temporary market sentiment. I conducted thorough fundamental analysis, including financial modeling, and presented my findings to the investment committee, which led to a successful investment that yielded a 25% return over six months.
Q3: How do you stay updated on market trends and changes in the industry?
I subscribe to financial news outlets, attend industry webinars, and follow influential analysts on social media. Additionally, I regularly read research reports and participate in networking events to exchange insights with other professionals.
Q4: What tools or software are you proficient in for financial analysis?
I am proficient in Excel for financial modeling, Bloomberg for market data analysis, and various statistical software such as R or Python for quantitative analysis.
Q5: Describe a challenge you faced while working on an investment project and how you overcame it.
I once faced a challenge in reconciling differing data sources while evaluating a potential investment. I organized a meeting with my team to cross-check data and sought additional insights from industry experts, which ultimately helped us reach a consensus and make an informed decision.
Risk Manager Interview Questions
Q1: What is your approach to identifying and mitigating investment risks?
My approach involves conducting a thorough risk assessment, which includes analyzing market, credit, and operational risks. I prioritize the use of risk metrics such as Value at Risk (VaR) and stress testing to quantify potential losses and develop strategies to mitigate these risks proactively.
Q2: Can you explain a situation where you had to manage a significant risk exposure?
In a previous role, I identified a significant credit risk exposure with a counterparty during a market downturn. I recommended reducing our position and diversifying our portfolio, which helped minimize our losses and improved our overall risk profile.
Q3: How do you ensure compliance with regulatory requirements in risk management?
I keep abreast of regulatory changes by regularly reviewing updates from regulatory bodies and participating in compliance training. I also collaborate closely with our compliance team to ensure that our risk management practices align with all applicable regulations.
Q4: What risk management tools or software are you experienced with?
I have experience using risk management software such as RiskMetrics and MATLAB for quantitative risk analysis, as well as portfolio management tools like Aladdin for monitoring and reporting risk exposure.
Q5: Describe a time when you had to communicate complex risk concepts to non-technical stakeholders.
I once presented a risk assessment report to senior management. To ensure clarity, I used visual aids such as charts and graphs to illustrate key points and avoided technical jargon, allowing stakeholders to grasp the implications of the risks involved easily.
Portfolio Manager Interview Questions
Q1: How do you develop your investment strategy and make decisions on portfolio allocation?
I develop my investment strategy based on rigorous market analysis, macroeconomic trends, and individual security assessments. I utilize a combination of quantitative and qualitative approaches to inform my decisions on portfolio allocation, ensuring alignment with our investment objectives and risk tolerance.
Q2: Can you discuss a successful investment decision you made and its outcome?
I managed a portfolio where I identified a strong growth opportunity in the renewable energy sector. By allocating a significant portion of the portfolio to carefully selected stocks, we achieved a 30% return over the year, outperforming our benchmark.
Q3: How do you monitor and assess portfolio performance?
I use a variety of performance metrics, including alpha, beta, and Sharpe ratio, to evaluate portfolio performance. I also conduct regular reviews to analyze performance against benchmarks and adjust strategies as necessary to optimize returns.
Q4: Describe your experience with risk management in portfolio management.
Risk management is integral to my portfolio management approach. I continuously assess market risks and perform scenario analyses to understand potential impacts on the portfolio. I also ensure diversification to mitigate idiosyncratic risks.
Q5: How do you keep your team informed about investment decisions and portfolio changes?
I conduct regular team meetings to discuss investment decisions and portfolio changes, and I provide detailed reports highlighting key developments. I also encourage open communication to foster collaboration and ensure everyone is aligned with our objectives.
Company Background and Industry Position
Marshall Wace stands as one of the premier hedge fund managers globally, carving out a distinctive niche within the competitive alternative investment landscape. Founded in 1997 and headquartered in London, the firm has been a driving force behind innovative equity long/short strategies, blending quantitative techniques with fundamental research. Unlike some hedge funds that focus solely on traditional asset management approaches, Marshall Wace integrates cutting-edge technology and proprietary trading platforms, which puts them ahead in an increasingly data-driven market.
In an industry notoriously guarded and opaque, Marshall Wace’s reputation for performance and its adoption of systematic strategies have made it a sought-after employer, especially for candidates eager to work at the intersection of finance, technology, and strategy. This distinct positioning impacts how they approach recruitment—looking not only for raw financial acumen but also for adaptability and a technological mindset.
How the Hiring Process Works
- Initial Application and Screening – Candidates typically submit their CVs through the company’s career portal or via campus recruitment channels. The talent acquisition team filters applications based on role-specific eligibility criteria, such as educational background, relevant experience, and technical skill sets. This stage is critical because it determines the pool who will move forward to more rigorous rounds.
- Online Assessments – For many technical or analyst positions, candidates undergo online tests designed to evaluate numerical reasoning, coding abilities (in certain roles), and problem-solving skills. These assessments serve as an early vetting mechanism, ensuring candidates possess a baseline competency before engaging hiring managers.
- First-Round Interviews – Usually conducted by HR or junior team members, this round focuses on behavioral questions, motivation, and cultural fit. It’s also a chance for Marshall Wace to verify resume details and clarify the candidate’s understanding of the firm and the role.
- Technical or Case Study Interviews – Depending on the job role, candidates face in-depth analysis or technical challenges. For quant roles, expect coding exercises or data interpretation problems; for fundamental equity analysts, detailed case studies or market scenario evaluations.
- Final Interviews – These are typically with senior leaders or portfolio managers. Beyond technical prowess, decision-makers gauge how well candidates handle pressure, their thought process under uncertainty, and long-term potential.
- Offer Stage and Negotiation – Successful candidates will receive offers reflective of the firm’s competitive salary ranges. This stage also includes discussions about sign-on bonuses, performance incentives, and sometimes relocation support.
The multistep hiring process mirrors the firm’s emphasis on precision and excellence; it’s not about filtering out candidates quickly but ensuring every hire aligns with the high-performance culture.
Interview Stages Explained
Initial Screening: More Than Just a Form
When you think of early screenings, the mind often jumps to automated resume scanners. At Marshall Wace, though, there's a nuanced human element involved early on. Recruiters look beyond qualifications to see how candidates’ backgrounds might mesh with the firm's hybrid approach—balancing data science with finance. So, your cover letter and CV should reflect a genuine interest in this fusion, not just a generic passion for finance.
Online Tests: A Gatekeeper for Technical Competence
These assessments are designed less to trip candidates up and more to weed out those who might struggle with the technical demands. For instance, quants might find coding challenges in Python or R, whereas analysts face market logic puzzles. It’s a reflection of the firm’s data-driven ethos. Think of this phase as a preliminary handshake—you want to make it firm and confident.
Behavioral and HR Interviews: The Culture Fit Crucible
Marshall Wace places a premium on culture fit, given the collaborative yet high-pressure environment. Here, expect questions probing your resilience, teamwork, and ethical compass. They want to hear about times you faced ambiguity or navigated conflict. It’s less about scripted answers and more about authentic storytelling—sharing moments that reveal your character.
Technical and Case Study Rounds: The Heart of the Challenge
This is the stage where you get tested on specific job skills, and it often separates strong candidates from exceptional hires. For example, equity analysts might be asked to dissect a company’s financials or predict how macroeconomic trends affect a portfolio. Quants might be challenged with statistical modeling or algorithm design. The purpose isn’t just to check off technical boxes but to assess critical thinking under pressure.
Final Interviews: Deciding on Potential and Fit
By this point, the conversation becomes more strategic and philosophical. Senior leaders probe your long-term vision and how you might grow within the firm. There’s also an emphasis on your alignment with Marshall Wace’s values and industry outlook. Candidates often report these interviews as the most intense yet revealing, as they reveal the human side of high finance.
Examples of Questions Candidates Report
- Behavioral: "Describe a time you had to make a decision with incomplete information. How did you approach it?"
- Technical (Equity Analyst): "Walk me through how you would evaluate a company in the renewable energy sector."
- Technical (Quant): "Explain how you would implement a mean reversion strategy in Python."
- Case Study: "Given a sudden market downturn, how would you adjust a long/short portfolio to mitigate losses?"
- HR: "What attracts you to Marshall Wace compared to other hedge funds?"
- Market Knowledge: "What is your view on the current interest rate environment and its impact on equity markets?"
Eligibility Expectations
Marshall Wace’s bar is notably high, but not merely because of prestigious degrees or elite backgrounds. Sure, many candidates come from top universities with strong quantitative and financial training. But just as important is relevant experience—whether that’s internships in investment management, quantified research, or even competitive programming. They want people who can hit the ground running.
Language skills and international exposure matter too, as the firm operates globally. Candidates should be comfortable handling complex data sets and explaining their analyses clearly—no jargon fog allowed. In short, eligibility is a blend of education, practical skills, and intellectual agility.
Common Job Roles and Departments
Marshall Wace employs talent across a variety of roles, each with distinct recruitment nuances:
- Equity Research Analysts: Focused on deep dives into specific industries or companies, these roles demand strong fundamental analysis skills and market intuition.
- Quantitative Researchers: Engineers and scientists who develop trading models, requiring proficiency in coding, statistics, and machine learning.
- Traders: Professionals who execute strategies, balancing risk and opportunity in real time. These roles emphasize decision-making under pressure.
- Technology and Infrastructure: Teams building the proprietary platforms that power Marshall Wace’s strategies, requiring software development expertise and innovative thinking.
- Risk Management and Compliance: Ensuring the firm operates within regulatory boundaries and manages exposure prudently.
Compensation and Salary Perspective
| Role | Estimated Salary |
|---|---|
| Equity Research Analyst | £70,000 - £120,000 base + bonuses |
| Quantitative Researcher | £90,000 - £150,000 base + bonuses |
| Trader | £100,000 - £180,000 base + bonuses |
| Software Engineer | £80,000 - £130,000 base + bonuses |
| Risk Manager | £75,000 - £120,000 base + bonuses |
Keep in mind, compensation at Marshall Wace often includes performance-based bonuses that can substantially increase total pay. This variable component reflects the firm's strong results-driven culture and incentivizes sustained excellence.
Interview Difficulty Analysis
Marshall Wace interviews are widely regarded as challenging but fair. Candidates often describe the technical rounds as particularly demanding — requiring not just knowledge, but quick thinking and adaptability. The behavioral and HR interviews, meanwhile, are less about grilling and more about authentic conversation, though the pressure to articulate your motivations clearly can be intense.
Compared to peers like Two Sigma or Citadel, Marshall Wace’s process is somewhat more holistic. They balance quantitative rigor with cultural fit, recognizing that even the most brilliant candidate will struggle in a misaligned environment. So while the difficulty is elevated, it’s purposeful and aligned with the roles’ real-world expectations.
Preparation Strategy That Works
- Deeply research Marshall Wace’s investment philosophy and recent market activity to speak knowledgeably about their approach.
- Practice coding problems in relevant languages if applying for quant or tech roles—platforms like LeetCode can be invaluable.
- Review case studies in equity analysis or portfolio management. Simulate how you’d communicate complex ideas succinctly.
- Develop clear, honest narratives for behavioral questions. Authenticity resonates more than rehearsed answers.
- Engage in mock interviews with peers or mentors familiar with hedge fund hiring processes to build confidence.
- Stay updated on financial markets—interviewers expect candidates to contextualize their analysis within current events.
Work Environment and Culture Insights
Culture at Marshall Wace is a mix of intense focus and collaborative energy. Candidates often remark on the fast-paced environment where autonomy is prized but teamwork remains essential. It’s not a place for those seeking rigid hierarchies; instead, the firm encourages idea sharing across levels.
The culture blends old-school market intuition with a modern embrace of technology. Employees benefit from exposure to some of the brightest minds in finance and data science, making for a stimulating daily rhythm that’s as challenging as it is rewarding.
Career Growth and Learning Opportunities
Marshall Wace invests heavily in employee development, recognizing that hedge fund success hinges on continuously evolving skill sets. New hires often find themselves mentored closely by senior colleagues, with access to training in advanced analytics and market theory.
Internal mobility is common, with analysts sometimes transitioning into quant or trading roles, reflecting the firm’s interdisciplinary nature. The learning curve may be steep, but the upside—both in career growth and compensation—is significant for those who persevere.
Real Candidate Experience Patterns
From conversations with past applicants, a few themes emerge. First, candidates note that transparency varies—some interviewers are straightforward and welcoming, while others are more reserved, reflecting the intense focus on results. Second, preparation pays off in spades; those who come armed with detailed knowledge of the firm’s strategies impress markedly.
Many recount moments where the interview felt like a genuine intellectual exchange rather than just an evaluation, which can be both exhilarating and daunting. Some candidates find the technical rounds testing but rewarding, often walking away with new insights regardless of outcome.
Comparison With Other Employers
Compared to other hedge funds like AQR or DE Shaw, Marshall Wace offers a unique blend of fundamental and quantitative approaches, which shapes its recruitment distinctly. Where DE Shaw may lean heavily on computational finance expertise, and AQR on academic pedigree, Marshall Wace seeks a balanced profile combining market intuition with tech savviness.
In terms of candidate experience, Marshall Wace is a step more conversational than the often intensely technical interviews at Citadel, yet more rigorous than some smaller firms that may lack structured rounds. Salary packages are competitive but not always the highest, compensated instead by a strong culture and growth potential.
Expert Advice for Applicants
Don’t underestimate the value of storytelling. The hedge fund world is technical, yes, but the ability to communicate complex ideas simply can set you apart. Reflect on your past failures and successes honestly—they want to see resilience and learning agility.
Also, embrace the ambiguity inherent in finance. If a question is unclear, ask thoughtful clarifying questions rather than guessing. This shows maturity and critical thinking.
Finally, approach each interview as a two-way street. You’re assessing Marshall Wace as much as they are assessing you. Prepare insightful questions about their culture, recent strategic moves, or technology stack to demonstrate genuine interest and proactive engagement.
Frequently Asked Questions
What kind of interview questions should I expect at Marshall Wace?
Expect a mix of behavioral and technical questions tailored to the role. For analysts, industry-specific case studies are common, while quant roles feature coding challenges and algorithmic problem-solving. Interviewers also focus on your thought process and how you handle uncertainty.
How many recruitment rounds does Marshall Wace typically have?
The process usually includes around four to six stages, starting from initial screening, online assessments, HR interviews, technical or case study rounds, and final interviews with senior staff. The exact number can vary based on role and location.
What is the usual salary range for entry-level positions?
Entry-level roles, such as junior analysts or associates, typically offer base salaries between £70,000 and £90,000, supplemented with performance bonuses. This varies according to department and market conditions.
Is prior hedge fund experience mandatory?
Not necessarily. While relevant experience is a plus, candidates who demonstrate strong analytical skills, intellectual curiosity, and cultural alignment can succeed even without direct hedge fund backgrounds.
How should I prepare for the technical interview?
Focus on sharpening relevant skills—coding for quant roles, financial modeling for analysts, and practical case scenarios for traders. Practice articulating your thought process clearly and systematically.
Final Perspective
Landing a role at Marshall Wace isn’t just about ticking boxes—it’s about embodying a rare blend of analytical rigor, adaptability, and cultural fit. Their hiring process mirrors the complexities of the financial markets they operate in, testing not only what you know but how you think and evolve.
For candidates willing to invest the time and mental energy, the rewards are substantial: career acceleration, exposure to cutting-edge finance, and a workplace that values innovation as much as tradition. The key? Prepare thoughtfully, be authentic, and embrace the challenge with curiosity rather than apprehension.
marshall wace Interview Questions and Answers
Updated 21 Feb 2026Data Scientist Interview Experience
Candidate: Emily Zhang
Experience Level: Entry-level
Applied Via: Campus recruitment
Difficulty: Medium
Final Result: Rejected
Interview Process
2
Questions Asked
- Explain the difference between supervised and unsupervised learning.
- Describe a project where you used machine learning to solve a problem.
- How do you handle missing data in a dataset?
- Write SQL queries to extract data from multiple tables.
- What metrics do you use to evaluate model performance?
Advice
Gain more hands-on experience with real datasets and improve your communication of technical concepts.
Full Experience
The interviewers were friendly but expected strong foundational knowledge and practical experience. The coding and SQL questions were straightforward, but I struggled to clearly explain my project work.
Risk Analyst Interview Experience
Candidate: David Kim
Experience Level: Mid-level
Applied Via: Online job board
Difficulty: Medium
Final Result:
Interview Process
3
Questions Asked
- Explain Value at Risk (VaR) and how you calculate it.
- Describe a time you identified a significant risk and mitigated it.
- What software tools do you use for risk analysis?
- How do you stay updated on regulatory changes?
- Walk me through a stress testing scenario you have conducted.
Advice
Be ready to discuss risk management frameworks and demonstrate practical experience with relevant tools.
Full Experience
The interviews focused on technical knowledge and practical application in risk scenarios. The team was interested in how I approach problem-solving and compliance issues. The process was challenging but fair.
Portfolio Manager Interview Experience
Candidate: Catherine Smith
Experience Level: Senior
Applied Via: Recruiter outreach
Difficulty:
Final Result:
Interview Process
4
Questions Asked
- Describe your investment philosophy.
- How do you manage risk in a volatile market?
- Provide examples of successful portfolio strategies you've implemented.
- Discuss your experience with derivatives and alternative assets.
- How do you incorporate quantitative models into decision-making?
Advice
Demonstrate deep market knowledge, leadership skills, and ability to integrate quantitative and qualitative analysis.
Full Experience
The process was comprehensive, starting with a recruiter call, followed by multiple technical and behavioral interviews with senior management. They tested both my strategic thinking and technical expertise. The final round was a case study presentation.
Software Engineer Interview Experience
Candidate: Brian Lee
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Medium
Final Result: Rejected
Interview Process
2
Questions Asked
- Describe your experience with C++ and Python.
- How do you optimize code for performance?
- Explain a time you worked on a team project.
- Write a function to detect duplicates in an array.
- What interests you about working in finance technology?
Advice
Focus on data structures and algorithms, and understand the financial domain basics to stand out.
Full Experience
The first round was a technical phone interview with coding problems. The second was an onsite with behavioral questions and a coding exercise. Although I had solid coding skills, I lacked domain knowledge which seemed important to the interviewers.
Quantitative Analyst Interview Experience
Candidate: Alice Johnson
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty: Hard
Final Result:
Interview Process
3
Questions Asked
- Explain a time series forecasting model you have used.
- How do you handle overfitting in machine learning models?
- Describe your experience with Python and statistical libraries.
- Solve a probability problem involving conditional probabilities.
- Discuss a challenging project involving financial data analysis.
Advice
Prepare thoroughly on quantitative finance concepts and coding exercises, especially in Python and statistics.
Full Experience
The interview process was intense with a strong focus on both theoretical knowledge and practical coding skills. The first round was a phone screen focusing on my background and basic quant concepts. The second round involved technical questions and coding challenges. The final round was with senior quants discussing my previous projects and problem-solving approach.
Frequently Asked Questions in marshall wace
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in marshall wace
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 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: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: 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: 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: 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: 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: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
Q: A man 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?
Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
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: In mathematics country 1,2,3,4....,8,9 are nine cities. Cities which form a no. that is divisible by 3 are connected by air planes. (e.g. cities 1 & 2 form no. 12 which divisible by 3 then 1 is connected to city 2). Find the total no. of ways you can go to 8 if you are allowed to break the journeys.