Execution · Difficulty 4/5

Multi-cell test with four variants

A PM interview practice question for SENIOR, STAFF candidates.

The prompt

You want to test four variants of an onboarding flow simultaneously. What are the trade-offs of running A/B/C/D vs. sequential A/Bs? Pick one and defend it for a 200K-MAU product.

Concepts this question tests

How to practice it in PrepOS

PrepOS's adaptive queue surfaces this question when you calibrate to a matching target level and your weakest concepts overlap with what it tests. Open the practice simulator and select the round type to start a rep with this prompt.

Practice this rep →

Round: Execution
Target levels: SENIOR, STAFF
Source: original · Reviewed by PrepOS seed