i2c Interview Questions
The questions to prepare for i2c interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
i2cCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
Zest AICheck whether two transaction names are anagrams after case folding and punctuation removal using character counts.
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Explain how you would manage scope creep without damaging stakeholder trust or putting delivery at risk.
i2cIdentify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
i2cExplain how to diagnose and reduce overfitting using regularization, validation strategy, and model complexity controls.
i2cExplain why a statistically significant experiment result may still be too small to matter for product or business decisions.
i2cInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
i2cTests knowledge of indexing tradeoffs and performance implications for transactional workloads.
i2c