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Spotting and solving problems interview questions

The trap is stopping at “I noticed it”. Interviewers listen for the step between noticing and fixing: what you checked, who you told, and what actually changed.
5 questions in the bank sit in this area. Below: the questions themselves, what interviewers listen for, the mistakes that come up most, and how to drill them out loud.

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What interviewers are listening for

• Say how it came to you (where the information came from), then what you did and what changed.
• Give the wrong explanation everyone started with, how you ruled it out, and the actual cause you found.
• Name the metric, the number before, the decision you took, and the number after.
• Separate the two jobs: fix the immediate problem for this person, then stop the same thing happening for others.
• Say how you found it, what you told people and when, and the check you added so the same defect cannot pass again.

Straight from the question pages in this area — the same pointers you see on each one.

The 5 questions in this area

• Tell me about a time you spotted a problem other people had missed, and came up with a fix.
• Tell me about a time you had to find the real cause of a recurring problem, not just the symptom.
• Tell me about a decision you made using data. What did you measure, and what did it change?
• Tell me about a difficult customer or client situation and how you resolved it.
• Tell me about a time you found a quality problem in your own work or your team's work. What did you do?

Each page has how to answer it well, the two mistakes that cost you points, and a 60-second way to practise it out loud.

The mistakes that come up most

• Keeping the story at the level of 'I noticed the issue'.
• Claiming credit for a fix a whole team delivered.
• Presenting the fix as obvious in hindsight.
• Not saying how you ruled out the first explanation.
• Using numbers that were collected after the decision.
• Choosing a decision where the data only confirmed what everyone already thought.

How to practise this out loud

1. Pick one question from the list — Not the one you find easiest — the one that makes you pause.
2. Answer it out loud, 90–120 seconds — No notes, no typing. Speak it the way you would in the room.
3. Read the counted facts — Filler words, pace, pauses, which STAR beats appeared, whether a number showed up. Fix one thing, then say the answer again.
4. Move on after two takes — Two takes per question, then another question. Repeating the same take is rehearsing wording, not the skill.

Other areas to practise

• Communication — 11 questions
• Goal setting and follow-through — 7 questions
• Learning agility — 6 questions
• Learning from setbacks — 5 questions
• Prioritisation under pressure — 5 questions
• Self-driven initiative — 5 questions
• Teamwork — 5 questions
• Free mock interview practice — what a full round looks like.

Practise these out loud — 3 questions freeSee the whole bank

Questions people ask before they start