01
What is a subquery and when would you use it?
Show answer
A query nested inside another, used for filtering or calculating values such as customers whose spend is above the average.
Business Analytics Interview Questions for Mid-Level Roles (₹8–10 LPA)
Prepare with questions tailored to the role, required skills, and experience level.
What ₹8–10 LPA interviews expect
Practical depth in core tools Design choices and trade-offs Ownership of modules or features Mentoring juniors informally
Solved in this bandStart practicing
3 QUESTIONS FREESign up or log in to unlock the full question bank and track your progress.Unlock every question and answer, then continue practising company-wise and package-wise.
3 questions free Unlock the rest in seconds
02
How do you use Excel's Scenario Manager?
Show answer
Define named scenarios such as best, base and worst with different input values and compare the outputs in a summary report.
03
What is a break-even point?
Show answer
The sales volume where total revenue equals total cost. It equals fixed cost divided by contribution margin per unit.
04
Tell me about a time you handled a difficult stakeholder.
Show answer
Use STAR: Situation, Task, Action, Result. Show that you listened, found the underlying goal, used data to align people and reached a documented decision.
05
Use case vs user story?
Show answer
A use case describes the full interaction between an actor and the system (main and alternate flows). A user story is a short statement of need from the user's point of view, refined with acceptance criteria.
06
How do you calculate monthly revenue growth in SQL?
Show answer
Aggregate revenue per month and use LAG(revenue) OVER (ORDER BY month) to compute (revenue - previous) / previous.
07
What is a primary key?
Show answer
A column or set of columns that uniquely identifies each row in a table and cannot contain NULL.
08
Which Excel functions do business analysts use daily?
Show answer
VLOOKUP or XLOOKUP, INDEX-MATCH, SUMIFS, COUNTIFS, IF, text functions, PivotTables and charts.
09
SQL: month-over-month revenue growth.
Show answer
WITH m AS (SELECT month, SUM(amount) AS rev FROM orders GROUP BY month)
SELECT month, rev,
ROUND(100.0 * (rev - LAG(rev) OVER (ORDER BY month))
/ LAG(rev) OVER (ORDER BY month), 1) AS mom_pct
FROM m;
10
How do you validate that a report's numbers are correct?
Show answer
Reconcile totals with source tables using SQL, check filters and joins for duplication, compare with prior periods and verify with business owners.
11
How do you validate data before analysis?
Show answer
Check row counts against the source, nulls, duplicates on keys, value ranges, date coverage and that totals reconcile with finance reports.
12
How do you create a dashboard in Excel?
Show answer
Prepare clean data, build PivotTables and PivotCharts, add KPI cards and slicers, and arrange everything on one sheet with a clear layout.
13
Build a break-even analysis in Excel.
Show answer
Break-even units = Fixed costs ÷ (Price − Variable cost per unit).
Add a data table to test different price and volume scenarios.
14
How do you analyse variance between budget and actual?
Show answer
Variance = Actual - Budget, shown as amount and percentage, with conditional formatting to flag large gaps and comments on the drivers.
15
How do you build a forecast in Excel?
Show answer
Use historical data with FORECAST.ETS or trend lines, state assumptions, compare against actuals and show best, base and worst scenarios.
16
How do you handle large datasets in Excel?
Show answer
Use tables, Power Query, remove volatile functions, filter before calculating and move to Power Pivot or a database when rows reach the millions.
17
What techniques do you use to elicit requirements?
Show answer
Interviews, workshops, surveys, observation, document analysis, prototyping and brainstorming, chosen according to stakeholders and project stage.
18
How would you prioritise 10 features with a limited budget?
Show answer
Score them with RICE or value-vs-effort, align with goals, consider dependencies and risks, validate with stakeholders, then use MoSCoW for the release plan.
19
What does GROUP BY do and how is HAVING different from WHERE?
Show answer
GROUP BY aggregates rows by column; WHERE filters before grouping and HAVING filters after, using aggregate conditions.
20
What is a use case diagram?
Show answer
A UML diagram showing actors and the actions (use cases) they perform with the system, giving a quick view of scope.
21
What does a Business Analyst do?
Show answer
A BA bridges business and technology: gathers requirements, analyses data and processes, documents BRD/FRD and makes sure the final solution actually solves the business problem.
22
What is SQL and why do business analysts need it?
Show answer
A language for querying databases. BAs use it to pull data themselves, validate numbers, check reports and answer questions without waiting for engineers.
23
What are fixed costs and variable costs?
Show answer
Fixed costs stay constant regardless of volume, such as rent; variable costs change with volume, such as raw materials.
24
How would you estimate the market size for an electric scooter in India?
Show answer
Top-down: two-wheeler market x EV share x addressable segment. Bottom-up: target households x adoption rate x price. Compare both for a sanity check.
25
What is a CTE?
Show answer
A named temporary result introduced with WITH that makes long queries readable and reusable in the same statement.
26
How would you forecast next quarter's sales in Excel?
Show answer
Use FORECAST.ETS or a trendline on monthly history, check seasonality, compare with a simple moving average and present a range, not a single number.
27
Write a user story with acceptance criteria for password reset.
Show answer
As a customer, I want to reset my password by email so that I can get back into my account.
Acceptance criteria:
• Reset link expires in 15 minutes
• Password rules are shown while typing
• A success message appears after reset
28
What is Agile and how does Scrum work?
Show answer
Agile delivers value in small increments with feedback. Scrum organises work in sprints with planning, daily stand-ups, review and retrospective, led by a Scrum Master and Product Owner.
29
SQL: total revenue per month.
Show answer
SELECT DATE_TRUNC('month', order_date) AS month, SUM(amount) AS revenue
FROM orders GROUP BY 1 ORDER BY 1;
-- MySQL: DATE_FORMAT(order_date, '%Y-%m')
30
Difference between INNER JOIN and LEFT JOIN?
Show answer
INNER returns only matching rows; LEFT returns all rows from the left table and NULLs where there is no match.
31
How would you measure the success of a new feature?
Show answer
Define a goal metric, a baseline and guardrail metrics, run an experiment or before-after comparison and review adoption, retention and revenue impact.
32
How do you calculate the percentage contribution of each category?
Show answer
SUM(sales) per category divided by SUM(SUM(sales)) OVER () and multiplied by 100 gives each category's share of the total.
33
How do you write a query to find users active in consecutive months?
Show answer
Get distinct user-month pairs, self-join or use LAG on month per user, and keep rows where the previous month is exactly one month earlier.
34
What is the profit equation and how do you use it in cases?
Show answer
Profit = Revenue minus Cost, where revenue = price x volume and cost = fixed + variable. Split each part to find which one explains a change.
35
Agile vs Waterfall?
Show answer
Waterfall runs fixed phases one after another with requirements frozen early. Agile delivers in short sprints with continuous feedback, so requirements can change. In Agile, BAs maintain the backlog and user stories.
36
How do you approach a guesstimate question?
Show answer
Clarify the scope, break the problem into logical parts, state assumptions with round numbers, compute step by step and sanity-check the answer.
37
What is a traceability matrix?
Show answer
A table linking each requirement to design, test cases and delivery status, ensuring nothing is missed and helping assess change impact.
38
What are functional and non-functional requirements?
Show answer
Functional requirements describe what the system does (login, reports); non-functional ones describe how well it does it (speed, security, availability, usability).
39
How do you build a PivotTable to analyse sales by region and product?
Show answer
Create a table, insert a PivotTable, drag region to rows, product to columns, sales to values, and add slicers for month or channel.
40
What is a data table in Excel?
Show answer
A what-if tool that recalculates a formula for different inputs, for example loan payments across different rates and tenures.
41
How do you protect a worksheet or workbook?
Show answer
Review > Protect Sheet or Workbook with a password, lock cells, hide formulas and allow only selected cells to be edited.
42
What is a market entry strategy case?
Show answer
Decide whether and how to enter a market by evaluating attractiveness, competition, capabilities and entry mode (build, buy, partner), then risks and next steps.
43
What is sensitivity analysis?
Show answer
Testing how changes in key inputs such as price or volume affect the output, in Excel using data tables or scenario manager.
44
What is gap analysis?
Show answer
Compare the current state (as-is) with the desired state (to-be), list the gaps in process, people or technology, and plan actions to close them.
45
What is a process flow and which tools do you use?
Show answer
A diagram of steps, decisions and owners in a process, made using BPMN or flowcharts in tools like Visio, Lucidchart or draw.io.
46
Do a quick SWOT analysis for an ed-tech company.
Show answer
Strengths and Weaknesses are internal; Opportunities and Threats are external. Example: S = strong faculty, W = low brand awareness, O = AI upskilling demand, T = free online content.
47
What is a stakeholder and who are the typical stakeholders in a project?
Show answer
Anyone affected by or influencing the project: sponsors, product owners, end users, developers, testers, operations and customers.
48
What is a BRD review and who signs it off?
Show answer
Stakeholders and the sponsor review the Business Requirements Document for completeness and accuracy, and the business owner gives formal sign-off before design begins.
49
Explain Porter's Five Forces.
Show answer
A model assessing industry attractiveness through supplier power, buyer power, threat of new entrants, threat of substitutes and rivalry among competitors.
50
What is customer lifetime value?
Show answer
The total profit expected from a customer over the relationship, roughly average margin x purchase frequency x lifespan, compared with acquisition cost.
51
What is the difference between COUNT(*) and COUNT(column)?
Show answer
COUNT(*) counts all rows; COUNT(column) counts only rows where that column is not NULL.
52
What are wireframes and why are they useful for a BA?
Show answer
Low-fidelity layouts of screens that help stakeholders visualise and agree on requirements before development starts.
53
SQL: top 5 customers by spend.
Show answer
SELECT customer_id, SUM(amount) AS spend
FROM orders
GROUP BY customer_id
ORDER BY spend DESC
LIMIT 5;