1500+ Business Analyst Interview Questions and Answers

Product life cycle refers to the stages a product goes through from introduction to decline. Product hierarchy is the arrangement of products into categories based on their attributes.

• Product life cycle includes introduction, growth, maturity, and decline stages

• Product hierarchy involves categorizing products based on their attributes such as size, color, and features

• Product hierarchy can also involve grouping products based on their relationship to each other, such as a prod...read more

Analytics is crucial for informed decision-making and driving business growth. EXL's expertise and innovative solutions make them the ideal choice.

• Analytics provides valuable insights into customer behavior, market trends, and business performance.

• Data-driven decision-making is essential for staying competitive in today's fast-paced business environment.

• EXL's advanced analytics capabilities and industry expertise enable them to deliver innovative solutions that drive business...read more

To draw a dual axis chart of bar and line chart, use Excel or any other data visualization tool.

• Create a bar chart with the data you want to display

• Add a second data series and choose line chart as the chart type

• Right-click on the second data series and select 'Format Data Series'

• Under 'Series Options', choose 'Secondary Axis'

• Adjust the formatting as needed to make the chart clear and easy to read

The demand for artificial knee implants in India is increasing rapidly.

• India has a large aging population, which is a major factor driving the demand for knee implants.

• The rise in obesity and sedentary lifestyle has also contributed to the increase in demand.

• Advancements in technology and medical procedures have made knee replacement surgeries more accessible and affordable.

• The Indian government has also taken initiatives to promote medical tourism, which has further boosted ...read more

To find the volume of 3D figures with portions removed, calculate the volume of the complete figure and subtract the volume of the removed portion.

• Calculate the volume of the complete figure using the appropriate formula (e.g., for a cube, V = side^3)

• Determine the volume of the removed portion using the appropriate formula (e.g., for a cylinder, V = πr^2h)

• Subtract the volume of the removed portion from the volume of the complete figure to obtain the final volume

The total power requirement of India is approximately 200,000 MW.

• India's power demand is growing at a rate of 5-6% annually

• As of 2021, India's installed power capacity is around 383 GW

• The majority of India's power generation comes from coal-fired power plants

• Renewable energy sources such as solar and wind are also being increasingly utilized

Problem-solving involves identifying, analyzing, and resolving issues to achieve desired outcomes.

• Define the problem and gather information

• Brainstorm potential solutions

• Evaluate and select the best solution

• Implement the solution and monitor its effectiveness

• Adjust the solution as needed

• Real experience story: During a project, we faced a challenge with a vendor who was not meeting our expectations. We defined the problem, gathered data, and brainstormed potential solutions. We...read more

A burn down chart is a visual representation of the progress of a project, showing how much work is left to be done.

• It tracks the amount of work remaining over time

• It helps the team to stay on track and adjust their efforts as needed

• It shows the ideal progress line and the actual progress line

• It is commonly used in Agile methodologies

• Example: If a project has 100 tasks and the team completes 20 tasks in the first week, the burn down chart will show that 80 tasks are remaining...read more

Business Process Outsourcing (BPO) is the practice of hiring a third-party company to handle non-core business activities.

• BPO is commonly used for tasks such as customer service, data entry, and accounting.

• It allows companies to focus on their core competencies and reduce costs.

• Examples of BPO companies include Accenture, IBM, and Infosys.

• BPO can be done domestically or internationally, with countries like India and the Philippines being popular outsourcing destinations.

• BPO c...read more

Manage unhelpful stakeholders by identifying their needs and concerns, communicating effectively, and finding common ground.

• Identify their needs and concerns to understand their perspective

• Communicate effectively by actively listening and addressing their concerns

• Find common ground by focusing on shared goals and objectives

• Involve them in the decision-making process to increase their engagement

• Consider alternative approaches to address their concerns

• Escalate to higher authori...read more

Types of SQL joins and their minimum and maximum possible rows.

• Types of joins: Inner, Left Outer, Right Outer, Full Outer, Cross

• Minimum rows: Inner - 0, Left/Right Outer - 1, Full Outer - 0, Cross - product of rows

• Maximum rows: Inner/Left/Right/Full Outer - product of rows, Cross - product of rows

Quantifiable factors to rate cab drivers for company's purpose

• Customer ratings and feedback

• Number of completed trips

• Average trip duration

• Percentage of on-time pickups

• Accident and traffic violation history

• Vehicle cleanliness and maintenance

• Driver punctuality and professionalism

P2P cycle is the Procure-to-Pay cycle which involves the process of purchasing goods or services and paying for them.

• The cycle starts with identifying the need for a product or service

• Then, a purchase requisition is created and sent for approval

• Once approved, a purchase order is created and sent to the supplier

• Goods or services are received and verified against the purchase order

• An invoice is received from the supplier and matched against the purchase order and goods receipt

• P...read more

Myntra should analyze customer data, sales trends, and demographics to choose the best city for its offline outlet.

• Analyze customer demographics: Identify cities with a high concentration of Myntra's target audience, such as young professionals.

• Sales trends: Look at online sales data to find cities with the highest sales volume, indicating strong brand presence.

• Competitor analysis: Evaluate cities where competitors have successful offline stores to identify potential markets....read more

Random Forest is an ensemble learning method that combines multiple decision trees to make predictions.

• Random Forest is a supervised learning algorithm used for both classification and regression tasks.

• It creates a multitude of decision trees and combines their predictions to make a final prediction.

• Each decision tree is trained on a random subset of the training data and features.

• Random Forest reduces overfitting and improves accuracy compared to a single decision tree.

• It ca...read more

Iterating to check if a number is prime in C language requires justification.

• Iterating through all numbers up to the square root of the number is necessary to check if it is prime.

• The time complexity of this algorithm is O(sqrt(n)), which is efficient for small to medium-sized numbers.

• For larger numbers, more efficient algorithms like the Miller-Rabin primality test can be used.

• The number of iterations required depends on the size of the number being checked.

• The iteration pro...read more

Develop a market entry strategy for new player XYZ.

• Conduct market research to identify target audience and competition.

• Develop a unique value proposition and brand identity.

• Determine pricing strategy and distribution channels.

• Create a marketing plan to build brand awareness and attract customers.

• Establish partnerships with local businesses and organizations.

• Consider regulatory and legal requirements for entering the market.

• Invest in customer service and support to build custo...read more

RPA stands for Robotic Process Automation. It is a software technology that automates repetitive tasks.

• RPA involves the use of software robots to automate repetitive tasks.

• The life cycle of RPA includes planning, designing, developing, testing, deploying, and maintaining the automation solution.

• Some popular RPA software products include UiPath, Blue Prism, and Automation Anywhere.

My strong point in technical knowledge is data analysis and visualization.

• Proficient in SQL and Excel for data manipulation and analysis

• Skilled in using Tableau and Power BI for data visualization

• Experience in creating dashboards and reports for stakeholders

• Knowledge in statistical analysis and predictive modeling

• Familiarity with programming languages such as Python and R

To design use case, I will follow these strategies

• Identify actors and their goals

• Define system boundaries

• Create a list of use cases

• Prioritize use cases based on importance

• Document use cases with clear and concise descriptions

• Validate use cases with stakeholders

• Update use cases as needed

Subquery is a query nested within another query, while CTE is a temporary result set defined within a query. Both have their own use cases.

• Subquery is enclosed in parentheses and can be used in SELECT, INSERT, UPDATE, or DELETE statements.

• CTE is defined using the WITH keyword and can be referenced multiple times in a query.

• CTEs are more readable and easier to maintain compared to subqueries.

• Subqueries are useful when the result set is needed only once, while CTEs are benefici...read more

Calculate average sales of a product for all days it is sold from sales table

• Retrieve sales data for the particular product from the sales table

• Calculate the total sales for each day the product is sold

• Sum up the total sales and divide by the number of days the product is sold to get the average sales

The total cost for launching an XYZ device from clinical stage to commercialization depends on various factors such as research and development, clinical trials, manufacturing, marketing, and distribution.

• The cost of research and development can range from $50 million to $2 billion depending on the complexity of the device.

• Clinical trials can cost anywhere from $10 million to $100 million depending on the number of participants and the length of the trial.

• Manufacturing costs ...read more

Choosing between two car varieties based on various costs

• Consider upfront costs such as purchase price and financing options

• Factor in ongoing costs such as fuel efficiency and maintenance

• Evaluate potential resale value

• Compare insurance rates

• Consider any additional features or benefits of each car

• Make a decision based on overall cost-effectiveness and personal preferences

It is impossible to accurately estimate the number of red lights in Bangalore without specific data.

• The number of red lights in a city can vary based on factors such as population density, traffic flow, and urban planning.

• One would need access to official records or data from the city's transportation department to make a more accurate estimation.

• Factors like new road constructions, traffic patterns, and signal upgrades can also impact the number of red lights in a city.

Functional requirements describe what the system should do, while non-functional requirements describe how the system should perform.

• Functional requirements focus on specific functions or features that the system must provide.

• Non-functional requirements focus on qualities or constraints that the system must meet, such as performance, security, or usability.

• Functional requirements are typically documented in use cases or user stories.

• Non-functional requirements are often docum...read more

Analyzing a company using financial statements and key ratios, with a focus on healthcare sector.

• Analyze income statement, balance sheet, and cash flow statement to understand financial health

• Check key ratios like profitability (e.g. net profit margin), liquidity (e.g. current ratio), and efficiency (e.g. asset turnover)

• In healthcare sector, important ratios include bed occupancy rate, average length of stay, and patient-to-nurse ratio