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A premium fitness chain saw its EBITDA margin fall 380 bps
Final question · What do you recommend to the CEO?
What you said
“The margin drop is meaningful, so I would look at pricing and operations next. I think they should fix discounting and cut some costs.”
Here's how to say it better
“
The margin drop is meaningful…”+4Leads with the dollar impact, so the size of the problem is clear.
“…so I would
look at pricing and operations next.”+4Ranks the levers instead of listing them.
“I think they should fix discounting and cut some costs.
”+3Ends on one decision, a reason and a next step.
How a McKinsey-style mock works
Get the case, answer out loud, then see exactly where the answer stands and what to change.
- Your client is a premium fitness chain...1
The interviewer leads
One question at a time: structure, math, an exhibit, a brainstorm, then your recommendation.
You
12:40I'd split this into price, volume and unit cost, then test which one explains most of the margin drop
2Answer out loud
Structure it, do the math and make your recommendation while the interviewer probes, the way a real one does.
This mock
84 / 100
B+ · +11
Your answer, upgraded
Lead with the $48M, then rank pricing, mix and cost before you recommend.
3A score on every mock
Structure, content (your math and judgment) and communication scored out of 100, with your own words quoted and a model answer to compare.
Every case, scored like an interviewer would
Interviewers judge your structure, your content (the math and the business judgment) and how clearly you say it. Soreno scores each one, quotes the moment that cost you points, and shows the stronger answer.
A score out of 100 on every mock
Plus a letter grade and how far you moved since the last one.
A score for each skill
See whether structure, content or communication held the case back.
Your own words, quoted and fixed
Timestamped moments from your answer, with the line to say next time.
A McKinsey-style case you can try now
The interviewer asks a set of distinct questions: structure, quantitative, exhibit, brainstorm, recommendation.
Tidewater Ferries: electric or diesel?
The interviewer reads you the case
Your client is Tidewater Ferries, which runs passenger ferries in a mid-size US coastal city. Its busiest route is a 30-minute harbor crossing served by one diesel ferry that is at the end of its life and must be replaced. The CEO asks whether the new ferry should be electric. The board decides next quarter.
An original practice case written by Soreno in a McKinsey-style format. Everything stays in your browser.
In an interviewer-led case you can ask a few clarifying questions, then the interviewer takes over. Two or three is plenty.
Question 1 from your interviewer: "What would you want to look at to help the CEO decide?" Take two minutes, write your structure, then say it out loud.
Now do a full case out loud
Soreno's AI interviewer gives you a full case, asks follow-up questions on your structure and math, and scores your answer. The 7-day free trial includes 6 practice credits (a full case uses up to 3) and 3 drills.
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What the McKinsey interview looks like
- For most client-facing roles you have personal experience interviews and problem-solving interviews. Depending on the role there may also be expertise interviews. McKinsey: Interviewing
- In the personal experience interview McKinsey asks you to discuss important experiences in detail, focusing on your own role and the key actions you took. McKinsey: Interviewing
- The problem-solving interview, sometimes called the case interview, presents a business scenario to evaluate how you analyze and solve a complex problem. McKinsey: Interviewing
- McKinsey recommends practicing with the sample cases on its site (such as Beautify and Diconsa), which show the logic, thought process and suggested answers. It also says there is not one logical solution, so listen carefully and share tailored solutions rather than standard frameworks. McKinsey: Interviewing
- Candidates invited to interview get access to its AI Prep Tool for practicing the quantitative part of the case interview. McKinsey also says it is piloting a small number of AI-enabled interview experiences, that candidates are told in advance and that no additional preparation is required. McKinsey: AI at McKinsey
- In an assessment or interview, including a virtual one, you use only pen and paper: no generative AI, calculators, apps or notes, unless McKinsey has approved a disability accommodation. McKinsey: Assessment integrity expectations
McKinsey case interview guideCase interview questionsMcKinsey PEI questionsMcKinsey SolveMcKinsey AI interviewAll practice by firm and case type
How Soreno compares to other ways to practice
A course from zero, a live AI case interviewer that follows up on what you say, and a score out of 100 on every mock, all in one place and ready whenever you are.
| Feature | Soreno | A coach |
|---|---|---|
| Practice any time, day or night | Scheduled | |
| A live interviewer who probes and shares exhibits | AI interviewer | |
| A course that starts from zero | Zero to Hero | Varies |
| Practice one stage of a case at a time | About 6 min | On request |
| A score out of 100 on every mock | Their notes | |
| Unlimited mocks on a paid plan | Per session | |
| Consulting and finance roles | Their specialty | |
| Video recording and playback | Varies | |
| Price | Free start, then $299/mo | Per hour |
| Feature | Soreno | A coach | A course | A case buddy |
|---|---|---|---|---|
| Practice any time, day or night | Scheduled | Self-paced | Scheduled | |
| A live interviewer who probes and shares exhibits | AI interviewer | Self-study | A peer | |
| A course that starts from zero | Zero to Hero | Varies | Self-study | |
| Practice one stage of a case at a time | About 6 min | On request | Self-study | On request |
| A score out of 100 on every mock | Their notes | Self-check | Their notes | |
| Unlimited mocks on a paid plan | Per session | Self-paced | As scheduled | |
| Consulting and finance roles | Their specialty | Varies | Varies | |
| Video recording and playback | Varies | Varies | Varies | |
| Price | Free start, then $299/mo | Per hour | One-off fee | Free |
What Soreno candidates say
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McKinsey offer after 28 sessions
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BCG offer after 22 sessions
“I recommend everyone to start with the drills, they're kinda like mini cases, then work up to full mocks.”
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