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BCA Interview Questions

The questions to prepare for BCA interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
MetricsStart here. 7 questions · ~56 min
Measure Marketing Campaign SuccessEasy

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading IndicatorsBBCA
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2
A/B Testing & Experimentation5 questions · ~40 min
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingBBCA
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3
Finance & Accounting3 questions · ~24 min
Finance Data VisualizationMedium

Assesses your skill in turning financial data into clear, decision-ready visuals.

data visualizationFinancial ReportingBBCA
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4
Behavioral & Leadership23 questions · ~184 min
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5
More topics12 questions · ~96 min
Balance Debt and Feature DeliveryMedium

Explain how you prioritize technical debt versus feature work while aligning stakeholders and protecting delivery speed.

Trade-offsScope ManagementPrioritizationBBCA
RANK vs DENSE_RANK in LeaderboardsEasy

Explain how RANK() and DENSE_RANK() handle ties differently in ordered SQL results such as leaderboards.

Window FunctionsRankingData WranglingBBCA
OLS Assumptions and ViolationsMedium

Assesses understanding of OLS validity, diagnostics, and consequences of assumption violations.

BBCA
Designing Auction Feature MetricsMedium

Evaluates metric design choices that reflect product success for BCA’s auction experience.

BBCA
Technical Challenges in Past ProjectsMedium

Assesses your ability to navigate and resolve real technical challenges.

project experienceBBCA
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL: Deduplicate Latest RecordsMedium
Practice
Practice drill

Deduplicate customer records with ROW_NUMBER, retaining the latest record and reporting duplicate counts.

Window Functionsdata cleaningRankingIBMNewWave Telecom & Technologies
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
Remove Duplicates Keeping LatestMedium
Practice
Practice drill

Delete duplicate contact records while retaining the most recently updated row for each email address.

Window Functionsdata cleaningRankingBNSF RailwayRevature
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.