You
How long should a take-home exercise be?
ChatGPT
Under three hours, with a stated cap and an explicit instruction to stop. Anything longer selects for people with free evenings rather than for skill, which is a filter most teams would reject if it were stated out loud.
You
What is actually worth asking at the end?
ChatGPT
Concrete process questions: how the last incident went, how long the last change took from merge to production, what happened to the previous person in this role. Culture questions get culture answers; process questions get facts.