Hi all - I recently went through the McKinsey BA interview process and completed my final round yesterday. My R1 was very strong and I had very minimal feedback and was told my casing fundamentals were all very strong, including quant skills (was able to solve these on my own with minimal/no help from interviewer)
However with my R2, my math wasn’t the greatest and I think I struggled doing them in-person vs. virtual which I’m used to. For the most part I had the approach down but execution wasn’t the greatest and interviewers had to jump in to help out at certain points. I wouldn’t say all 3 interviews were equally bad but definitely not as good as my R1. Despite this, I did have several spikes across PEI, exhibits, and frameworks that stood out across interviewers and would say each case overall went quite well. Rapport with interviewers was also really good for each (I work at another consulting firm right now so it was pretty easy to bond with them)
I guess my question with all of that is if 1 dimension isn’t the best for 1 round (when it was great on the other round) and all other dimensions were at minimum with multiple spikes across all of them, am I screwed? Will my R2 interviewers look at my R1 results and see a discrepancy? I know R2 is what matters most and the importance of quant skills, it’s normally a strength for me and I really just had a bad day at the worst possible time and I’m worried it’s going to tank my chances.
How much does performing below the bar on 1 dimension but well on everything else impact offer chances in McKinsey final round?
Hi there,
Difficult to say without having been in the room, but I'll try to be completely honest.
In general, if there is one weaker dimension in Round 1, candidates can still pass and McKinsey will often use Round 2 to stress-test that specific area. If the opposite happens and the weaker performance occurs in the final round, the situation becomes a bit more sensitive, depending on how significant the gap was.
By the final round, interviewers are looking for a well-rounded candidate who can consistently perform across all dimensions. They will certainly review the overall picture, including Round 1 feedback, so a strong performance there is not irrelevant. However, Round 2 usually carries more weight because it involves more senior interviewers and serves as the final validation step.
That said, based on what you've described, I wouldn't jump to conclusions. There is a big difference between struggling on a few calculations but still demonstrating solid problem-solving and business judgment, vs showing a recurring weakness in quantitative reasoning.
At this point, I wouldn't overanalyze it. The key question is whether the interviewers still saw enough evidence that you can succeed in the role overall.
Good luck. Hopefully you'll hear good news soon.
Franco
One weaker math dimension in R2 doesn’t kill your chances. McKinsey looks at the full pattern across both rounds, and strong R1 quant plus solid structure, exhibits, PEI, and good rapport can easily balance a shaky moment. Many people get offers with one dip as long as the overall problem‑solving is above the bar. You’re definitely not out based on this alone.
Alessa
Honestly, it's impossible to say.
If we take only your perspective of the interview, indeed, struggling a bit with the maths is not a problem. In fact, no interview is a perfect performance, so it wouldn't be realistic that your performance is flawless in this one either.
However, in most cases, there are also things that maybe you think you did well and in fact you didn't, and only the interviewers are aware of those.
Still, at this point, there's not much that you can do about it. I know the wait is not comfortable, so try and find something that can keep you enjoyably (and perhaps constructively) busy.
Hope you hear from them soon!
Best,
Cristian
One weak dimension in one round, with strong everything else and multiple spikes, is recoverable.
McKinsey scores holistically across dimensions and rounds. Your strong R1 math is counterevidence, debrief usually reads R2 as "off day," not "lacks quant."
Interviewers jumping in is normal at final round. They check recovery, not whether you got every step alone. Multiple spikes elsewhere outweigh isolated stumbles. Good rapport matters significantly too.
Stop replaying it. Don't follow up to explain.
You're more likely a yes than a no.
Good luck.
What is critical is the math structure. Arithmetic is secondary - if you are able to understand the implications of the numbers and whether they are in the right order of magnitude.
Getting arithmetic wrong, we can leave with that. Not understanding what a good number is and what it means, that's a rejection.
