Company OAsDSA SheetAll ProblemsPlacement DataInterview ExperiencesPremium
OAHelper

Built by students, for students — practice company-specific OAs, DSA sheets, and real interview experiences to land your dream role.

© 2026 OAHelper.in·Terms·Privacy·Refunds·Trust & Safety·Contact·
Ready to crack your next OA?

Practice company-specific questions trusted by thousands of students across India.

Start PracticingGo Premium
OA Practice·DSA·Placements

Disclaimer: OAHelper is an independent educational platform. We (oahelper.in) do not own the images or questions shown. Content is uploaded by users.

Topic Difficulty

Hard Simulation OA Questions

Practice 116+ hard Simulation coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

All Simulationeasymedium
Total Transmitted LogsionHardBank Fraud Risk Transaction ReportflipkartHardLexicographic Removal DuelamazonHardFraud Risk LevelflipkartHardContain the VirusflipkartHardHarvest Coveragetech japanHardColumn Settling OrdersquarepointHardQuestion 1 - Binary Cascade AnalysistekionHardArray GeneratorarcesiumHardQuestion 1googleHardRestaurant Kitchen Order PipelineciscoHardMemory Buffer with Access-Based ReplacementoyoHardPrice to SellschrodingerHardIn-Memory Cache with Eviction PolicieskaigenticHardSimplified Banking System ImplementationtruecallerHardCode Question 2amazonHardServer Redirection BugamazonHardFactory Quality Control Sensor PlacementgoogleHardCode Question 2amazonHardCode Question 2amazonHardNew gamebrowserstackHardFixing a Request Redirection BugamazonHardServer Redirection BugamazonHardHTTP Request RedirectionamazonHardDistribute Elements Into Two Arrays IIvisaHardLoad Distributionethos lifeHardChess Olympiad MatchmakingflipkartHardBudget planninggodrejHardWhere to Place Servers?rubrikHardSpace Station Shuttle OptimizationwalmartHardText FormattingagodaHardEvaluating Circuit ExpressionszscalerHardArray ChallengehugoHardUpdating Salesforce LogssalesforceHardRhombic CipherdevrevHardCodewritingdevrevHardLeonardo BuildersflipkartHardAlchemist's ArrayinmobiHardDevelop a system that calculates usage fees for a storage service!money forwardHardMinimize Fisherman MovementsamsungHardMaximum product saleskotakHardLFU CachedezervHardSquirrel ResearchoptiverHardGrowthJockey Task WorkflowgrowthjockeyHardTask Completion SimulationgrowthjockeyHardNeed for SpeednagarroHardFruits on TreemedianetHardLocking the tree of spacejuspayHardMinimum and Maximum Moves to Fill First ColumntrilogyHardString generationbarclaysHard
ion OA questionsflipkart OA questionsamazon OA questionsflipkart OA questionsflipkart OA questionstech japan OA questionssquarepoint OA questionstekion OA questions