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WTW Interview Questions

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

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1
ExecutionStart here. 6 questions · ~49 min
2
Metrics4 questions · ~32 min
Measure Marketing Campaign SuccessEasy

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

Funnel AnalysisKPIsLeading IndicatorsWWTW
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3
A/B Testing & Experimentation4 questions · ~32 min
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 MismatchWWTW
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4
Product Sense4 questions · ~32 min
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueWWTW
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5
SQL & Data Manipulation3 questions + 3 drills · ~54 min
6
Coding4 questions · ~32 min
Maintainable Code Design PracticesEasy

Explain how to write maintainable code using clear abstractions, small functions, tests, and documentation.

RecursionHash TablesArraysWWTW
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7
More topics25 questions · ~203 min
Handle Highly Imbalanced ClassesMedium

Build a classifier for a highly imbalanced dataset and choose training and evaluation methods that surface rare positives.

Cross-ValidationFeature EngineeringSupervised LearningWWTW
Tracking Client-Relevant Industry TrendsEasy

Explain a practical approach for tracking industry trends and turning them into useful client insight.

Competitive AnalysisGrowth StrategyMarket SizingWWTW
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.