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Case interview at McKinsey

Is it true that there are no right or wrong answers in case interviews, specifically when it comes to McKinsey, or is it just a myth?

Edited: particularly in the non-quantitative aspects like framework, qualitative questions, conclusion, recommendation, etc.

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Ian
Coach
on Mar 10, 2024
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success

haha uh oh - there are A LOT of wrong answers.

In fact, when I first meet with candidates, most of their answers are wrong and we have to work hard to train them in how to think + approach the problems properly.

Think about it….are there right/wrong answers when advising a multi-billion dollar client on a multi-billion dollar project with huge implications?

Of course!

You need to use the data+information+insights to provide a logical recommendation.

You can even have the right answer but if you say it in the wrong way, or don't defend it properly/articulately, then you would be “wrong” (i.e. not score as well).

Here's some reading to help:

Dos and Don'ts in a Case Interview
 

How to Shift Your Mindset to Ace the Case

The Most Common Pitfalls in Case Interview Preparation
 

Candidate-Led Cases: What to Expect With Example Cases

Florian
Coach
on Mar 11, 2024
1400 5-star reviews across platforms | 600+ offers | Highest-rated case book on Amazon | Uni lecturer in US, Asia, EU

Hi there,

This is a myth.

There are certainly right or wrong answers but what you probably mixed it up with is that there is not one single correct solution/approach, for instance, when creating a framework.

You can approach a case/dissect a problem in 10+ different ways and would still get the same analytical outcome. This is what is tested in McKinsey interviews.

There are also 100s of ways to get it wrong though, mainly if your framework is not broad enough/too broad, not deep enough and/or not insightful.

If you want to read more about that, I published two articles on McKinsey interviews here:

Cheers,

Florian

on Mar 10, 2024
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success: ➡ interviewoffers.com | Ex BCG | 10Y+ Coaching

Hi there,

Q: Is it true that there are no right or wrong answers in case interviews, specifically when it comes to McKinsey, or is it just a myth?

There are for sure wrong answers in a case interview – a simple example is if you do the math wrong or you get the wrong insight from a graph.

Best,

Francesco

on Mar 11, 2024
#1 Rated McKinsey Coach | Top MBB Coach | Verifiable success rates

That's rather philosophical. 

Maths has a right or wrong because it's maths. 

Structuring, brainstorming, chart interpretation, recommendations are less about right and wrong because they are more concept and content- (rather than numbers-) driven. 

Still, there are BETTER structures and WORSE structures. So lots of structures are good, but very few are distinctive. 

If you're looking into this, you might find this article helpful:

And also this workshop I run on first principles structuring:

Best,
Cristian

Alberto
Coach
on Mar 13, 2024
Ex-McKinsey AP | Professional MBB Coach | +13yrs experience | +2,000 real interviews | +150 offers

Hi there,

It is a myth. There are plenty of wrong answers. 

What it is true is that there is plenty of potential solutions to the case and what is valued during a McKinsey interview is the thought process you follow, your business sense and your consulting skills.

Best,

Alberto

Check out my latest case based on a real MBB interview: Sierra Springs

Dennis
Coach
on Mar 12, 2024
Roland Berger|Project Manager and Recruiter|7+ years of consulting experience in USA and Europe

Hi there,

as the expression goes: Many roads lead to Rome. 

As long as you arrive in Rome, you are usually fine. But there are plenty of possibilities to get tripped up along the way. 

Turning this back to your question about case interviews - there may not be only a single correct approach to arrive at the correct solution. But there can be many wrong ways to go about a problem which then will never result in the correct solution.

So whatever you heard in this regard is a myth. 

Best

Hagen
Coach
on Apr 16, 2024
#1 recommended coach | >95% success rate | 9+ years consulting, interviewing and coaching experience

Hi there,

I would be happy to share my thoughts on your question:

  • First of all, it's true that there can't always be just one right answer.
  • However, there are certainly many wrong answers or approaches, be it in the initial structure, brainstorming initiatives, etc.
  • Lastly, this is completely independent of the consulting firm, as the business reality underlying the case studies does not change depending on the consulting firm.

If you would like a more detailed discussion on how to best prepare for your upcoming interviews, please don't hesitate to contact me directly.

Best,

Hagen

 

You can find the DACH consulting salaries report 2024 here!

Pedro
Coach
on Mar 12, 2024
Bain | EY-Parthenon | Former Principal | 1.5h session | 30% discount 1st session

That is true. It is not the answer that matters, but your answers have to be supported by sound logic and evidence.

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