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Updated weekly · Last refresh Oct 17

WNS Research Analyst Interview Questions

The questions to prepare for a WNS Research Analyst interview. Questions from real interview reports rank first. Updated daily.

40questions
~5htotal time
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1
StrategyStart here. 4 questions · ~32 min
Tell Me About YourselfEasy

Craft a concise self-introduction that highlights fit, communication style, and relevance for an Account Executive role.

brand cultureBusiness AcumenCompetitive AnalysisWNS
Client Expansion Question ListHard

Evaluates how you scope a market entry research problem for an FMCG client at WNS.

business strategyWNS
Ways to Improve a BusinessMedium

Evaluates your strategic thinking and ability to generate actionable business improvement ideas.

strategyWNS
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2
Behavioral & Leadership32 questions · ~256 min
Introduce YourselfEasy

Tests concise communication, career prioritization, relevant achievement, and motivation for joining Nones.

achievementbackgroundCommunicationWNS
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3
More topics4 questions · ~32 min
Primary vs Secondary ResearchMedium

Assesses your understanding of research types and when to use each in business analysis.

WNS
Analyzing Sales DeclineMedium

Tests your structured approach to diagnosing business performance issues using data.

Lagging IndicatorsLeading IndicatorsDiagnosisWNS
Data Analysis ToolsEasy

Tests practical data skills and the ability to choose tools aligned with research and engineering needs.

ToolsData WranglingAggregationsWNS
Finding Trends in Large DataMedium

Tests your ability to explore data and extract actionable trends.

Lagging IndicatorsLeading IndicatorsDiagnosisWNS

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Handling Missing DataMedium
Practice
Practice drill

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningEversource EnergyCincinnati Children's HospitalAdtalem Global Education
SQL for Monthly SLA AttainmentMedium
Practice
Practice drill

Calculate monthly SLA attainment by client using operational records, client joins, date extraction, and conditional aggregation.

Date FunctionsJoinsAggregationsWNS
Second Highest Trader SalaryEasy
Practice
Practice drill

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

SubqueriesRankingSortingeClinicalWorksNNeenOpal CanadaInformatica
The finish line: interview-readyComplete all 40 questions plus 3 hands-on drills to finish this plan.