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Gartner Business Analyst Interview Questions

The questions to prepare for a Gartner Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

20questions
~3htotal time
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1
StrategyStart here. 4 questions · ~32 min
Estimating Market and DemandHard

Tests market sizing approach, assumptions, and structured estimation for Gartner-related BI demand.

Market SizingGartner
Airport Takeoff Volume EstimateHard

Tests ability to build a defensible estimation model from limited inputs.

EstimationMarket SizingGartner
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2
Behavioral & Leadership10 questions · ~80 min
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3
More topics6 questions · ~48 min
Root Cause for Engagement DeclineMedium

Tests diagnostic thinking, metric selection, and structured investigation for Gartner product engagement.

root causeDiagnosisEngagement MetricsGartner
Power BI for Operational EfficiencyMedium

Tests dashboard design choices, KPI definition, and practical analytics for distributed teams.

power bioperational efficiencydashboard designGartner
Prepare Data for Cohort AnalysisMedium

Tests data cleaning, transformation, and preparation for reliable cohort analytics.

null handlingData WranglingCohort AnalysisGartner
Detect Outliers and TrendsMedium

Assesses statistical thinking for identifying anomalies and interpreting time-based patterns.

outliersData AnalysisGartner
Metrics for Internal Data PortalMedium

Tests KPI selection, instrumentation thinking, and aligning metrics to user value.

Success CriteriaKPIGartner
Cloud IT Ops Issue WritingMedium

Evaluates ability to analyze and communicate insights about cloud operations challenges.

Gartner

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Deduplicate and Keep LatestEasy
Practice
Practice drill

Keep the latest valid Gartner Peer Insights review per source key using ROW_NUMBER and deterministic tie-breaking.

Window FunctionsRankingData WranglingGartner
Group Filtering with HAVINGEasy
Practice
Practice drill

Use GROUP BY and HAVING to find NetSuite customers with at least two approved sales orders.

Group ByHavingAggregationsNetsuiteIdexcelSamsung Electronics
SQL Running TotalsEasy
Practice
Practice drill

Calculate monthly and cumulative completed inspection hours for Pratt & Whitney engine programs using a CTE and window function.

Window FunctionsRunning TotalsAggregationsPratt & WhitneyCopelandGartner
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.