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Miscalculations in the final round interview with McKinsey

McKinsey McKinsey & Company McKinsey 2nd Round
New answer on Sep 07, 2022
8 Answers
1.2 k Views
Anonymous A asked on Sep 06, 2022

Hello all,

I had a final interview with McKinsey yesterday and it went well in the first half but did a huge miscalculation in the math part. The way of structuring calculations was ok but did not use numbers correctly. I am so depressed with myself because actually it was an additional chance after I did not make final round for intern selection last year. As a review of my performance in the final round last year, they told me that my logic was a bit weak but math was ok. That means I did completely opposite this time.

I have not yet heard from them, and when can I expect to receive the result? I know that this huge miscalculation has a negative impact on the result, but can I still have some hope?

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Lucie
Expert
Content Creator
replied on Sep 07, 2022
10+yrs recruiting & BCG Project leader

HI there, 

it is hard to say, but it is true usually you have to excel in all steps, particularly if this was an additional step but let's see. I just want o encourage you to think what other opportunities are there equally or more exciting in case you wont make. 

 

You have plenty of options:
1. Try yet once again to MBB same position after the period of time (6-12 months)
2. Try a lower position (e.g. Internship) at MBB, when performing well you have a great chance to extend to full time position 
3. 2nd tier consulting → very likely you will pass the interviews
4. Any other fancy Industry job (tech, start up, etc.)
5. Anything else

Good luck!

Lucie

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Florian
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Content Creator
replied on Sep 07, 2022
Highest-rated McKinsey coach (ratings, offers, sessions) | 500+ offers | Author of The 1% & Consulting Career Secrets

Hi there,

One fuck up or miscalculation is definitely not the end on the road to a McKinsey offer.

What is more important:

  • How did the rest of the case go? Did you show enough spikes in other areas of the case to justify an offer?
  • Was this an isolated mistake in math or could interviewers find commonalities in weak math performance across interviews?
  • How did you handle the situation after you were made aware of the mistake? Did you move on confidently or did you continue in a worse shape than before?

Fingers crossed!

Cheers,

Florian

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Francesco
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Content Creator
replied on Sep 07, 2022
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success (➡ interviewoffers.com) | Ex BCG | 10Y+ Coaching

Hi there,

1) I have not yet heard from them, and when can I expect to receive the result? 

McKinsey is usually pretty quick with feedback after interviews – I would expect an answer within one week.

2) I know that this huge miscalculation has a negative impact on the result, but can I still have some hope?

Theoretically, yes, you could make a math mistake and not be rejected. However, it is not possible for anyone but the interviewer to evaluate your particular case now.

Additionally, if they are not fully convinced they may recommend one additional final-round interview – I know a few cases when this happened.

Good luck!

Francesco

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Ian
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Content Creator
replied on Sep 07, 2022
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate

Hi there,

Please don't beat yourself up too much other this - these things happen.

You are by no means out of the running and have every chance of getting an offer. Ultimately we have no idea if you will or won't get an offer  - all we can say is you have to wait.

Now, while you wait please make sure you push forward with your other apps/interviews! Mckinsey is not the end-all-be-all. Keep applying to BCG/Bain, the Big Four, and the dozens of other Tier 2s!

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Sofia
Expert
replied on Sep 06, 2022
Top-Ranked Coach on PrepLounge for 3 years| McKinsey San Francisco | Harvard graduate | 6+ years of coaching

Hello,

It shouldn't take too long for them to get back to you - if it was a final round, you should hear within 1-2 weeks max. I agree with others here that 1 miscalculation does not necessarily mean that you will be rejected, particularly if the interview generally went well and you were able to demonstrate your mathematical aptitude in other parts of it. I know it's difficult, but try not to beat yourself too much about it in hindsight. Slips, mistakes, and miscalculations happens to the best of candidates, and the interviewers know that, so I don't think your outcome is guaranteed either way. In any case, you have done everything you could do at this point. Best of luck!

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Emily
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Content Creator
replied on Sep 06, 2022
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad

If it was one slip up in one interview the interviewers will be aware of this and know that it’s not a fundamental inability to do maths. Unfortunately there’s no way to know what the outcome will be but I suspect it’ll not be long until they get back to you. If you haven’t heard in a few days you can contact the recruiting team to ask when they’ll have an answer for you. Good luck! 

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Udayan
Expert
Content Creator
replied on Sep 06, 2022
Top rated Case & PEI coach/Multiple real offers/McKinsey EM in New York /12 years recruiting experience

You can always have hope. The reality is that no one is good at analyzing their performance, we either over estimate or under estimate it. Also all of these are subjective and at the discretion of the interviewer and depends on so many unknowns.

I know this does not really help, my main point is that you will have to be patient and see what the impact is. Either way you should be really proud of making it so far.

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Anonymous B replied on Sep 06, 2022

You won‘t be rejected for one calculation mistake (even a huge one).

If you are rejected, then it will certainly be for a number of reasons (where this math mistake will flow into).

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