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Tech Mahindra Interview Questions

The questions to prepare for Tech Mahindra interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 5 questions · ~54 min
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonTech Mahindra
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2
SQL & Data Manipulation5 questions · ~54 min
Second Highest Trader SalaryEasy
Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingTech Mahindra
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3
Pipelines5 questions · ~54 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityTech Mahindra
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4
Machine Learning5 questions · ~54 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 TradeoffTech Mahindra
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5
Model Evaluation5 questions · ~54 min
Precision vs Recall TradeoffEasy
Recently asked

Explain the difference between precision and recall, and how each reflects a different type of classification error.

Evaluation TechniquesClassificationConfusion MatrixTech Mahindra
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6
Execution5 questions · ~54 min
Evaluate Cloud Adoption Trade-offsEasy

Assess the benefits, drawbacks, and decision criteria for adopting cloud-based solutions for a business-critical platform.

Trade-offsSuccess CriteriaRisk AssessmentTech Mahindra
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7
More topics20 questions · ~215 min
Measure Marketing Campaign SuccessEasy

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

Funnel AnalysisKPIsLeading IndicatorsTech Mahindra
Interpreting P Values in TestingEasy

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

Hypothesis TestingStatistical SignificanceP-ValuesTech Mahindra
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