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Tanla Interview Questions

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

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1
CodingStart here. 8 questions · ~75 min
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsTTanla
Object-Oriented PolymorphismMedium
Practice

Use polymorphism to calculate the combined area of circles and rectangles without type-specific logic in the main function.

RecursionCodingabstractionTTanla
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2
SQL & Data Manipulation14 questions + 1 drill · ~141 min
Second Highest Trader SalaryEasy
Practice

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

SubqueriesRankingSortingTTanla
SQL Query OptimizationMedium
Practice

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesTTanla
SQL and Data StructuresMedium
Practice
Practice drill

Aggregate completed PlayStation Store purchases and return accounts with at least two qualifying purchases.

JoinsCTEsData StructuresPlayStation
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3
System Design3 questions · ~28 min
Process vs ThreadMedium

Tests understanding of OS concepts relevant to concurrency and performance engineering.

system architectureconcurrencyTTanla
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4
Technical Fundamentals4 questions · ~38 min
Exceptions and Memory ManagementMedium

Tests practical understanding of runtime safety and resource management patterns.

memory managementprogramming languagesTTanla
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5
Security & Infrastructure4 questions · ~38 min
Troubleshooting Service TimeoutsMedium

Tests systematic debugging of distributed connectivity issues between services.

TroubleshootingTTanla
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6
Behavioral & Leadership13 questions · ~122 min
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7
More topics2 questions · ~19 min
Booking Cancelled: Customer ResponseMedium

Evaluates your customer communication and incident response approach for urgent booking issues.

TTanla
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The finish line: interview-readyComplete all 48 questions plus 1 hands-on drill to finish this plan.