Factory Profit Maximization / Assembly Line Optimization (OA)

OARobloxLast reported August 2026Medium Frequency
Reported
5× across candidate reports
First seen
August 2025
Last reported
August 2026
Reported outcome
mixed

Problem Overview

A Roblox OA mini-game (25 minutes) in which you manage multiple factory production lines and must maximize total profit. You are given several production lines, each with adjustable parameters such as output volume and machine efficiency. You can run multiple experiments (configurations) within the time limit, and your best (most…

  • 1 candidate-reported follow-up — the exact probes interviewers asked, with the trigger for each
  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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