They are testing how you think, not what you know.
Direct answer
In a case interview, clarify the problem, structure your approach, analyse each part with the data given and finish with a clear recommendation. Think aloud, ask good questions and summarise regularly.
Steps
- Clarify: objective, context, constraints.
- Structure: outline how you will analyse.
- Analyse: calculations and insights.
- Recommend: a clear answer with reasons and risks.
Practice
- Read case examples.
- Practise mental maths.
- Rehearse out loud.
Where Teyro fits
Teyro's Acing Job Interviews course turns this into short lessons you can play in a few minutes a day. It has 50 lessons, and you can start free.
The bottom line
Structured thinking, spoken clearly.



