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.

Amazon HackOn_30may OA Questions 2026 — Online Assessment & Interview Practice

10 real Amazon HackOn_30may online assessment questions from recent interviews. Includes coding rounds, MCQs, and Amazon HackOn_30may interview preparation tips for SDE Intern, New Grad, and full-time roles.

  • Campus Placement Selection
  • Minimum Toll Fee
  • Rider on a Grid
  • Good Sequences
  • Identify Products with Price Fluctuations
  • Secret XOR Key Recovery
  • Longest Contiguous Subarray with Unique Bit Counts
  • Monthly Financial Transaction Alert System
  • Resource Locking in an m-Ary Tree
  • Employee Sales Performance Analysis
Browse All CompaniesInterview ExperiencesPlacement DataAmazon HackOn_30may Database OA questions (4)Amazon HackOn_30may Array OA questions (2)Amazon HackOn_30may Bit Manipulation OA questions (2)Amazon HackOn_30may Hash Table OA questions (2)Amazon HackOn_30may Combinatorics OA questions (1)Amazon HackOn_30may Counting OA questions (1)Amazon HackOn_30may Depth-First Search OA questions (1)Amazon HackOn_30may Design OA questions (1)
All Companies
A

Amazon HackOn_30may OA Questions

10 QuestionsOnline Assessment

Unlock Full Access

Practice all 10 questions

Unlock All Questions

Get full access to practice

0 of 10 solved in this company0% complete

Campus Placement Selection

DatabaseCounting
Premium

Minimum Toll Fee

Graph TheoryShortest PathHeap (Priority Queue)
Premium

Rider on a Grid

Premium

Good Sequences

MathDynamic ProgrammingMatrix+1
Premium

Identify Products with Price Fluctuations

Database
Premium

Secret XOR Key Recovery

Bit ManipulationArraySorting+1
Premium

Longest Contiguous Subarray with Unique Bit Counts

ArrayHash TableSliding Window+1
Premium

Monthly Financial Transaction Alert System

Database
Premium

Resource Locking in an m-Ary Tree

TreeDesignHash Table+1
Premium
10

Employee Sales Performance Analysis

Database
Solve