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Updated weekly · Last refresh Aug 30

Larsen & Toubro Data Scientist Interview Questions

The questions to prepare for a Larsen & Toubro Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
Machine LearningStart here. 8 questions · ~64 min
Supervised vs Unsupervised LearningEasy
Recently asked

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

Unsupervised LearningFeature EngineeringBias-Variance TradeoffLarsen & Toubro
Bias-Variance Tradeoff in Model ChoiceEasy
Recently asked

Explain how the bias-variance tradeoff guides algorithm selection and generalization performance.

Cross-ValidationBias-Variance TradeoffRegularizationLarsen & Toubro
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2
Model Evaluation6 questions · ~48 min
Interpret AUC-ROC for Marketing ModelEasy

Interpret what a 0.84 AUC-ROC means for a marketing response model and explain why threshold and calibration still matter.

CalibrationAUC-ROCThreshold TuningLarsen & Toubro
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3
Product Sense8 questions · ~64 min
Recommend Improvements from Customer DataMedium
Recently asked

Use customer data to identify the highest-impact product improvements and decide what to build first.

Feature PrioritizationUser NeedsValue PropositionLarsen & Toubro
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4
SQL & Data Manipulation8 questions + 3 drills · ~94 min
5
Pipelines6 questions · ~48 min
Backfilling Missing Pipeline DataMedium
Recently asked

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityLarsen & Toubro
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6
Statistics & Probability8 questions · ~64 min
Causal Inference for Business ImpactHard
Recently asked

Tests causal reasoning to quantify impact beyond correlation for business decisions.

ExperimentationCausal InferenceA/B TestingLarsen & Toubro
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7
More topics6 questions · ~48 min
Using Data Insights for DecisionsMedium
Recently asked

Tests ability to connect analytics outputs to operational and strategic decisions at L&T.

KPILeading IndicatorsDiagnosisLarsen & Toubro
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.