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Smart Consulting Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~63 min
Discuss Data Analysis Tooling ChoicesEasy
Recently asked

Explain how SQL fits with data analysis and visualization tools, and when to use each in an analytics workflow.

JoinsData WranglingAggregationsSmart Consulting
SQL Problem SolvingMedium
Practice
Practice drill

Write SQL from scratch to summarize qualifying customer orders and classify spending levels.

JoinsData ManipulationProblem SolvingMicro1
SQL Window Functions ExperienceMedium
Practice
Practice drill

Use SQL window functions to rank regions by average 2024 yield within each country.

Window FunctionsJoinsData ManipulationKBRMaximus TechQinetiq
SQL Self Joins and ExplodeMedium
Practice
Practice drill

Transform comma-separated employee tags, join employees to managers, and aggregate active direct reports by manager and tag.

pysparkaggregationJoinsTredence
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2
Machine Learning3 questions · ~25 min
Debugging a Failing ML ModelMedium

Use a structured process to debug model performance issues across data, features, validation, and error patterns.

Feature EngineeringModel EvaluationSupervised LearningSmart Consulting
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3
Coding5 questions · ~41 min
Optimizing Web App PerformanceMedium

Explain how to improve web app performance using profiling, caching, code-level optimization, and measurement-driven validation.

Hash TablesArraysSortingSmart Consulting
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4
Execution13 questions · ~107 min
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5
Behavioral & Leadership16 questions · ~132 min
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6
More topics9 questions · ~74 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 MismatchSmart Consulting
Design Success Metrics FrameworkMedium
Recently asked

Define a practical framework for judging design success using leading, lagging, and funnel-based product metrics.

KPIsConversion RateEngagement MetricsSmart Consulting
Define Metrics for New FeaturesMedium

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

MetricsFeature Prioritizationuser valueSmart Consulting
Interpreting P Values in TestingEasy

Explain what a p-value means in hypothesis testing and how it relates to statistical significance.

Hypothesis TestingStatistical SignificanceP-ValuesSmart Consulting
Data Cleaning in ETL PipelinesEasy
Recently asked

Approach for cleaning and preparing raw data inside an ETL pipeline.

Data WranglingETLQualitySmart Consulting
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