Consulting Q&A - Stelle Fragen rund um Deine Karriere

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Brain teaser - babies born per year / month / day?

brainteaser Market sizing
Neueste Antwort am 17. Okt. 2023
Die beste Antwort (am 30. Dez. 2019) ist von:
Antonello
Experte
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Antonello
Experte
gab die beste Antwort am 30. Dez. 2019
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Hi, US population: 320M Life expectation: 80y HP: Population equally spread for every age -> 0-1 years old: 320M/80 = 4M Baby born in a day: 4M/365 = 11k Best, Antonello
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am 17. Okt. 2023 am 17. Okt. 2023
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Brain teaser / market sizing

brainteaser Market sizing
Neueste Antwort am 27. Juli 2023
Die beste Antwort (am 22. Juni 2019) ist von:
Vlad
Experte
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Experte
gab die beste Antwort am 22. Juni 2019
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, Why don't you calculate the meat consumption in China from the population and then get the number of pigs from that? Best
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am 27. Juli 2023 am 27. Juli 2023
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First Interview a Implement: Brainteasers

brainteaser
Neueste Antwort am 22. Juni 2023
Die beste Antwort (am 21. Juni 2023) ist von:
Ian
Experte
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Experte
gab die beste Antwort am 21. Juni 2023
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi Emil, Congrats on the interview! Brain teaser could be many things! However, in general they should be more business focused. You might expect a brainstorming question in particular. Some brainteasers are quite trick ... (ganze Antwort lesen)
3
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446
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30
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am 22. Juni 2023 am 22. Juni 2023
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How many electric charging stations are there in Germany?

brainteaser estimation guess-estimates Market sizing
Neueste Antwort am 19. Apr. 2023
Die beste Antwort (am 19. Apr. 2023) ist von:
Cristian
Experte
#1 rated MBB & McKinsey Coach
Cristian
Experte
gab die beste Antwort am 19. Apr. 2023
#1 rated MBB & McKinsey Coach
Hi there,  You have a sound approach.  For market sizing questions, I'd recommend you also try and have some fun with ChatGPT. Try asking for several approaches and try to learn from how it chooses to do the sizing diff ... (ganze Antwort lesen)
3
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636
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35
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am 19. Apr. 2023 am 19. Apr. 2023
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commercial passenger aircraft worldwide

brainstorming questions brainteaser Market sizing
Neueste Antwort am 17. Apr. 2023
Die beste Antwort (am 16. Apr. 2023) ist von:
Ian
Experte
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Experte
gab die beste Antwort am 16. Apr. 2023
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi there, I think overall you've done a nice job here! 8 or 9 out of 10! Here's what I like: Overall approach is logical (# of passengers ==> flights ===>planes) You have estimated not assumed (even though you sai ... (ganze Antwort lesen)
2
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470
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22
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am 17. Apr. 2023 am 17. Apr. 2023
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market for cannabis in Germany

brainteaser estimation market estimation Market sizing
Neueste Antwort am 16. Apr. 2023
Die beste Antwort (am 16. Apr. 2023) ist von:
Ian
Experte
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Experte
gab die beste Antwort am 16. Apr. 2023
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi there, About a 6 out of 10 here. #1 Thing Missing: HOW you got to these numbers. You need to make sure you are never guessing for numbers. Rather, you are making estimates based on your knowledge of the world. So: Ho ... (ganze Antwort lesen)
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683
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23
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am 16. Apr. 2023 am 16. Apr. 2023
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Effects of cannabis legalisation in Germany

brain teaser brainstorming questions brainteaser
Neueste Antwort am 16. Apr. 2023
Die beste Antwort (am 15. Apr. 2023) ist von:
Emily
Experte
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad
Emily
Experte
gab die beste Antwort am 15. Apr. 2023
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad
Hi there!  So when you're answering a case question you want to create a structure which is specific to the question. Your structure of micro / macro is very generic and doesn't answer the question specifically.  For ex ... (ganze Antwort lesen)
3
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429
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22
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am 16. Apr. 2023 am 16. Apr. 2023
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Brainteaser: How to see the light of refrigerator after the door is closed?

Bain & Company brainteaser
Neueste Antwort am 4. Jan. 2022
Die beste Antwort (am 3. Jan. 2022) ist von:
Ian
Experte
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Experte
gab die beste Antwort am 3. Jan. 2022
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi Jasmin, This is a variation on another brainteaser (actually one I was asked 10 years ago for my first job in IT). The answer is to close the door, let the door stay closed for a while, then open the door and touch t ... (ganze Antwort lesen)
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2,8 T.
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am 4. Jan. 2022 am 4. Jan. 2022
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Brain Teaser

brainteaser
Neueste Antwort am 24. Okt. 2021
Die beste Antwort (am 22. Okt. 2021) ist von:
Pedro
Experte
Bain | EY-Parthenon | Roland Berger | Market Sizing | 30% off in March 2024
Pedro
Experte
gab die beste Antwort am 22. Okt. 2021
Bain | EY-Parthenon | Roland Berger | Market Sizing | 30% off in March 2024
I don't think this is a brainteaser, but rather a question to check if one has any idea on how the world works. In this case, how the VAT rates work (I am assuming you are in a country that applies VAT). I would expect ... (ganze Antwort lesen)
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am 24. Okt. 2021 am 24. Okt. 2021
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Estimate how many hospital beds for pregnant women are necessary in a year in the US

brainteaser Guesstimate Market sizing
Neueste Antwort am 16. Mai 2021
Die beste Antwort (am 26. Apr. 2021) ist von:
Ian
Experte
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Experte
gab die beste Antwort am 26. Apr. 2021
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi there, You'll really get the best out of this exercise if you try it yourself. Why don't you post what you're thinking and we can help? Hint: Do you think this makes more sense top-down or bottom up? Gene ... (ganze Antwort lesen)
3
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2,1 T.
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31
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am 16. Mai 2021 am 16. Mai 2021
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Bain interview

Bain brainteaser Europeanoffices inteview
Neueste Antwort am 23. Feb. 2021
Die beste Antwort (am 22. Feb. 2021) ist von:
Antonello
Experte
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Antonello
Experte
gab die beste Antwort am 22. Feb. 2021
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Hi Mehrasa, I would like to suggest some useful cases in the platform to practice with: https://www.preplounge.com/en/consulting-forum/how-much-would-you-charge-to-clean-all-the-windows-in-seattle-4965 https://www ... (ganze Antwort lesen)
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1,2 T.
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96
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am 23. Feb. 2021 am 23. Feb. 2021
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Brain teaser

brainteaser
Neueste Antwort am 18. Feb. 2021
Die beste Antwort (am 17. Feb. 2021) ist von:
Allen
Experte
Ex-McK Experienced Hire and EM - I show you how to perform at your best
Allen
Experte
gab die beste Antwort am 17. Feb. 2021
Ex-McK Experienced Hire and EM - I show you how to perform at your best
Remember, the key is to identify drivers, estimate the value, and use good judgement throughout. Here's what I would do: Assume the majority of the weight will be the metal structure, not the stairs or the screws ... (ganze Antwort lesen)
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am 18. Feb. 2021 am 18. Feb. 2021
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It is a silly question - but, What's the role of mental math & brain teasers in interviews?

brain teaser brainteaser mental math
Neueste Antwort am 16. Nov. 2020
Die beste Antwort (am 22. Okt. 2018) ist von:
Francesco
Experte
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Francesco
Experte
gab die beste Antwort am 22. Okt. 2018
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Hi Anonymous, I agree with Vlad, brainteasers are not very common (referring to my experience, when I applied, I got 1 out of 20+ interviews). Still, answering to your question, why do they ask them? The main reason ... (ganze Antwort lesen)
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3,1 T.
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9
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am 16. Nov. 2020 am 16. Nov. 2020
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What would be the feasible answer/approach for this pricing case study question?

brainteaser Pricing case study Pricingstrategy
Neueste Antwort am 23. Okt. 2020
Die beste Antwort (am 29. Okt. 2020) ist von:
Sidi
Experte
McKinsey Senior EM & BCG Consultant | Interviewer at McK & BCG for 7 years | Coached 350+ candidates secure MBB offers
Sidi
Experte
gab die beste Antwort am 29. Okt. 2020
McKinsey Senior EM & BCG Consultant | Interviewer at McK & BCG for 7 years | Coached 350+ candidates secure MBB offers
Hi! This can only happen if the two phones have different price levels, and a shift towards the cheaper phone has happened after the price increase, and the price of the cheaper phone after the price increase is still ... (ganze Antwort lesen)
2
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1,1 T.
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16
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am 23. Okt. 2020 am 23. Okt. 2020
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Are brain teasers actually used in consulting interviews?

brainteaser Case Interview
Neueste Antwort am 30. Apr. 2020
Die beste Antwort (am 28. Jan. 2020) ist von:
Sidi
Experte
McKinsey Senior EM & BCG Consultant | Interviewer at McK & BCG for 7 years | Coached 350+ candidates secure MBB offers
Sidi
Experte
gab die beste Antwort am 28. Jan. 2020
McKinsey Senior EM & BCG Consultant | Interviewer at McK & BCG for 7 years | Coached 350+ candidates secure MBB offers
Hi! the use of Brainteasers differs across the tiers: Not used in MBB Sometimes used in Tier 2 firms (Berger, Wyman etc.) Frequently used in Tier 3 firms (AD Little etc.) Cheers, Sidi
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16
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am 30. Apr. 2020 am 30. Apr. 2020
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Coronavirus' economic impact on China

brainteaser Coronavirus covid19
Neueste Antwort am 19. März 2020
Anonym C gab die beste Antwort am 3. März 2020
Hi, guess this could help structure an approach ! My take is we could simply strcuture in Bain's way - human cost & economic cost. Economic cost - Short to Medium Term Impact Human cost - Long term impact (gu ... (ganze Antwort lesen)
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1
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am 19. März 2020 am 19. März 2020
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How many trains are there in London?

brainteaser calculation estimation
Neueste Antwort am 6. Sept. 2019
Anonym A fragte am 5. Sept. 2019
I got this question during an interview for a non-consulting job before I learned at all about structuring and break-down analysis tecniques (so I was not prepared at all!). At the time I went down a "number of tube sta ... (ganze Frage lesen)
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am 6. Sept. 2019 am 6. Sept. 2019
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Brain teaser "clock observation"

brainteaser
Frage bearbeitet am 16. Aug. 2019
Anonym A gab die beste Antwort am 27. Okt. 2017
Hey everyone, here is a longer solution that the preblounge team sent me. Maybe it helps you too. The hour hand of a clock is exactly on the minute mark five times each hour i.e. on the hour, twelve minutes past the ... (ganze Antwort lesen)
3
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7,0 T.
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9
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am 16. Aug. 2019 am 16. Aug. 2019
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Estimate the number of radio stations

brainteaser Market sizing
Letzte Aktivität am 22. Jan. 2019
Anonym A gab die beste Antwort am 22. Jan. 2019
It looks like a bit of both market sizing and brain teasing. Assuming you have no data to work on, the interviewer wants to see how you think through and structure the problem. For questions like this (and most case que ... (ganze Antwort lesen)
1
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am 22. Jan. 2019 am 22. Jan. 2019
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Braninteasers in Consulting Interview

brainteaser
Letzte Aktivität am 22. Okt. 2018
Die beste Antwort (am 21. Okt. 2018) ist von:
Guennael
Experte
Ex-MBB, Experienced Hire; I will teach you not only the how, but also the why of case interviews
Guennael
Experte
gab die beste Antwort am 21. Okt. 2018
Ex-MBB, Experienced Hire; I will teach you not only the how, but also the why of case interviews
We really dont do too many, especially in MBB. Brain teasers are more common in IB; even Google has pretty much stopped them since they realized brainteasers dont yield any actionable 8nsight into the value of an applic ... (ganze Antwort lesen)
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am 22. Okt. 2018 am 22. Okt. 2018
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