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LexisNexis Legal & Professional Interview Questions

The questions to prepare for LexisNexis Legal & Professional interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 4 questions · ~35 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersLexisNexis Legal & Professional
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2
SQL & Data Manipulation4 questions + 2 drills · ~55 min
Window Functions for Top UsersMedium
Practice

Use aggregation and ROW_NUMBER to find the top three Lexis+ users by total session duration within each region.

Window FunctionsData AnalysissqlLexisNexis Legal & Professional
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymo
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
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3
Strategy4 questions · ~35 min
Tell Me About YourselfEasy

Tests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.

Competitive AnalysisGo-to-MarketLexisNexis Legal & Professional
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4
Machine Learning4 questions · ~35 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffLexisNexis Legal & Professional
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5
Execution5 questions · ~44 min
Prioritize Work Under Tight DeadlinesEasy

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementLexisNexis Legal & Professional
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6
Metrics5 questions · ~44 min
Define Success for a ProjectEasy

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisLexisNexis Legal & Professional
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7
More topics24 questions · ~209 min
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityLexisNexis Legal & Professional
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchLexisNexis Legal & Professional
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.