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Interview Prep · BehavioralTell me about a mistake that cost something
← Behavioral

Tell me about a mistake that cost something

Medium15 minFree, no account

The round's best question. Most answers are pre-sanitised into uselessness.


The question

"Tell me about a time you made a mistake at work. What happened and what did you do?"

They will press on the cost and on what changed afterwards.

15:00Commit to an answer before you open the solution. Reading it first teaches you to recognise good answers, which is not the skill being tested.

Stuck?

0 of 3 hints taken

The worked solution

written by a person · not a grade

Score yourself

0 of 5 marked
  • A real mistake with a real, quantified cost25
  • Mitigation before diagnosis, and communication during20
  • Took responsibility without hedging, including under the direct probe25
  • A structural fix, not a personal resolution25
  • Told in about two minutes5

We run no AI here and nothing on this page grades you. The score is yours, and the useful number is the one you get on the same problem a month from now, cold.

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