01
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.
Google Business Analytics Interview Questions & Answers
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02
How would you price a new subscription product?
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Combine cost-plus, competitor benchmarks and willingness to pay from research, test tiers with experiments and check margin and churn impact.
03
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.
04
What is the difference between OLTP and OLAP systems?
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OLTP handles many small day-to-day transactions; OLAP supports analysis over large historical data with aggregates and reporting.
05
What is scope creep and how do you control it?
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Uncontrolled growth of requirements. Control it with a clear scope statement, change control process, impact analysis and sponsor approval for additions.
06
What is the difference between SQL and Excel for analysis?
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Excel suits small to medium data and quick ad-hoc work; SQL queries large databases directly and repeatably.
07
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.
08
Revenue grew but profit fell. Why could that happen?
Show answer
Look at the cost side: heavier discounts, higher CAC, logistics costs, product mix shifting to low-margin items, one-time expenses or pricing changes. Break contribution margin down by segment.
09
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.
10
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.
11
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.
12
How would you improve a company's low app conversion rate?
Show answer
Map the funnel, find the biggest drop-off, check usability and load time, run A/B tests on fixes and track conversion lift.
13
What is a SWOT analysis?
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A framework listing internal Strengths and Weaknesses and external Opportunities and Threats to assess a project or business position.
14
What does a Business Analyst do?
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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.
15
What is a CTE?
Show answer
A named temporary result introduced with WITH that makes long queries readable and reusable in the same statement.
16
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.
17
What is a process flow and which tools do you use?
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A diagram of steps, decisions and owners in a process, made using BPMN or flowcharts in tools like Visio, Lucidchart or draw.io.
18
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.
19
How do you find the top 5 customers by revenue?
Show answer
SELECT customer_id, SUM(amount) AS revenue FROM orders GROUP BY customer_id ORDER BY revenue DESC LIMIT 5;
20
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.
21
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.
22
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;
23
How would you analyse the declining sales of a retail store?
Show answer
Break sales into footfall, conversion and average basket, compare with last year and competitors, and check stock, pricing, staffing and local events.
24
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.
25
How do you handle changing requirements?
Show answer
Log the change, assess impact on scope, cost and timeline, get approval through change control or backlog grooming, and update documents and stakeholders.
26
XLOOKUP vs VLOOKUP?
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XLOOKUP can look left or right, uses exact match by default, returns a custom value if nothing is found and doesn't break when columns move. VLOOKUP only looks right and needs a column number.
27
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.
28
What is a Minimum Viable Product (MVP)?
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The smallest version of a product with enough features to deliver value and gather real user feedback before investing more.
29
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.
30
What is the 80/20 rule in business analysis?
Show answer
Pareto principle: about 80% of outcomes come from 20% of causes, such as most revenue from a few customers or most defects from a few issues.
31
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.
32
What is a user story and what makes it good?
Show answer
A short requirement written as 'As a user, I want X so that Y', backed by acceptance criteria. Good stories follow INVEST: independent, negotiable, valuable, estimable, small and testable.
33
Which Excel functions do business analysts use daily?
Show answer
VLOOKUP or XLOOKUP, INDEX-MATCH, SUMIFS, COUNTIFS, IF, text functions, PivotTables and charts.
34
Which what-if analysis tools does Excel have?
Show answer
Goal Seek (find the input for a target output), Data Tables (see outputs for many inputs) and Scenario Manager (save best, base and worst cases).
35
What is Agile and how does Scrum work?
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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.
36
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.
37
What are fixed costs and variable costs?
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Fixed costs stay constant regardless of volume, such as rent; variable costs change with volume, such as raw materials.
38
How do you chart a trend with a target line?
Show answer
Create a line or column chart of actuals and add the target as another series formatted as a line.
39
What is a feasibility study?
Show answer
An early assessment of whether a proposed solution is technically, economically, operationally and legally viable before committing budget.
40
How do you evaluate a marketing campaign's ROI?
Show answer
ROI = (incremental profit - campaign cost) / campaign cost. Measure incremental sales using a control group or before-after comparison.
41
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.
42
BRD vs FRD?
Show answer
A BRD states what the business needs and why. An FRD details how the system should behave to meet those needs (functional specifications).
43
How do you estimate the annual revenue of a coffee shop chain?
Show answer
Number of outlets x daily customers x average bill x operating days, then validate using footfall, peak hours and similar chains.
44
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.
45
What are functional and non-functional requirements?
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Functional requirements describe what the system does (login, reports); non-functional ones describe how well it does it (speed, security, availability, usability).
46
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.
47
KPI vs metric?
Show answer
Every KPI is a metric, but a KPI is tied directly to a strategic goal (e.g. monthly churn). A metric can be any measurement (e.g. page views).
48
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.
49
What is the use of the IFERROR function?
Show answer
It returns a custom value when a formula errors out, keeping reports clean, for example =IFERROR(VLOOKUP(...), "Not found").
50
What is a product backlog vs a sprint backlog?
Show answer
The product backlog is the ordered list of all desired work; the sprint backlog is the subset the team commits to in the current sprint.
51
What is a KPI tree?
Show answer
It breaks a top metric into drivers: Revenue = Users × Conversion × AOV; Users = New + Returning, and so on. It shows which lever to pull and where a drop came from.
52
How would you decide whether to launch a new product?
Show answer
Assess market size and demand, customer need, competition, unit economics, capabilities, risks and strategic fit, then test with a pilot before scale-up.
53
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.
54
Should a food-delivery app launch in a new city?
Show answer
Check market size (population, online ordering share), competition, restaurant supply, unit economics per order, CAC and payback period. Propose a pilot with clear success metrics.
55
How do you handle NULL values when calculating averages?
Show answer
AVG ignores NULLs; use COALESCE(col, 0) if NULLs should count as zero, depending on the business meaning.
56
How do you find duplicate customers?
Show answer
SELECT email, COUNT(*) FROM customers GROUP BY email HAVING COUNT(*) > 1;
57
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.
58
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.
59
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.
60
Guesstimate: how many cups of tea are sold in Delhi per day?
Show answer
Population about 20 million, adult tea drinkers about 50%, cups bought outside per person around 1 on average. This gives roughly 10 million cups, then adjust for offices and stalls.
61
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.
62
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')
63
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;
64
A bank wants to reduce customer churn. What would you do?
Show answer
Define churn, analyse who leaves and why, segment customers, find drivers through data and surveys, design retention offers and measure uplift with a control group.
65
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.
66
Guesstimate: how many pizzas are sold in Mumbai on a weekend?
Show answer
About 20 million people, roughly 10% order pizza on a weekend, about 1 pizza per 2 people in an order. This gives roughly 1 million pizzas, adjusted for outlets and delivery capacity.
67
What is the difference between revenue and profit?
Show answer
Revenue is total money from sales; profit is what remains after subtracting all costs and expenses.
68
A food delivery company's orders fell 15%. How do you investigate?
Show answer
Check data accuracy, then segment by city, restaurant, time and user type; look at supply, delivery time, pricing, competitors and seasonality before proposing fixes.
69
What is a KPI and give examples for an e-commerce business?
Show answer
A measurable value showing progress to a goal, such as conversion rate, average order value, cart abandonment rate and customer retention.
70
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.
71
How do you manage conflicting requirements from two senior stakeholders?
Show answer
Clarify the underlying goals, present data and trade-offs, facilitate a joint session, escalate to the sponsor if needed and document the agreed decision.
72
What is root cause analysis and which techniques do you know?
Show answer
Finding the underlying reason for a problem using the 5 Whys, fishbone diagrams or Pareto analysis, then fixing the cause not the symptom.
73
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
74
What is Kano model in prioritisation?
Show answer
A model classifying features as basic, performance or delight attributes based on how they affect customer satisfaction, helping decide what to build first.
75
What is the difference between XLOOKUP and INDEX-MATCH?
Show answer
Both look up values flexibly; XLOOKUP is simpler with built-in not-found handling, while INDEX-MATCH works in older Excel versions.