This is one of the best chances to show resilience. A strong answer describes a real challenge, what you did step by step and what changed because of it.
Why interviewers ask this
Interviewers want to predict how you will behave when work gets hard. A past challenge handled well is the best evidence you can give.
How to answer
- Use the STAR order: Situation, Task, Action, Result.
- Pick a challenge that tested a work-relevant skill: problem solving, persistence, teamwork, learning quickly.
- Spend most of your time on the actions you took.
- Give a clear result and one lesson.
Sample answers
Student
In my second year I failed a core subject, Data Structures, which was a shock because I had always done well. I realised I had been memorising instead of understanding. I started solving two problems every day, joined a study group, and asked our professor to review my approach once a week. I cleared the subject with 82 marks in the re-exam, and data structures became my strongest area — I used them heavily in my final-year project.
Professional
Six months into my first job our lead developer left in the middle of a project and I was asked to take over his module, with three weeks to go. I spent the first two days reading his code and documentation, made a list of open tasks with the client, and asked for daily 15-minute check-ins with my manager. We delivered one day late, with the client’s agreement, and I continued to own the module after that.
Mistakes to avoid
- Choosing something trivial or entirely personal.
- Spending all your time on the problem and very little on what you did.
- Making yourself the only hero and ignoring the team.
Final tip
Prepare two challenge stories — one academic, one practical — so you can choose the one that fits the interviewer’s question.
Practise it out loud
Answering in your head is not the same as saying it. Take 30 seconds to plan, then speak for up to 90 seconds as if the interviewer is in front of you.
Ready when you are