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What is the minimum number of gas stations needed in the United Kingdom

Case Calculations case studies consulting interviewer led
Most recent answer on Nov 30, 2023
The best answer (on Nov 30, 2023) is from:
Mayer
Mayer gave the best answer on Nov 30, 2023
To determine the minimum number of gas stations needed in the United Kingdom, various factors must be considered, such as population density, travel patterns, and existing infrastructure. A detailed analysis by transpor ... (read entire answer)
3
Answers
1.8 k
Views
8
Total Upvotes
on Nov 30, 2023 on Nov 30, 2023
Last Activity

Math practice

Case Calculations Mental Maths
Most recent answer on Nov 10, 2023
The best answer (on Nov 06, 2023) is from:
Moritz
Expert
ex-McKinsey EM & Interviewer | 7/8 offer rate for 4+ sessions | 90min sessions with FREE exercises & videos
Moritz
Expert
gave the best answer on Nov 06, 2023
ex-McKinsey EM & Interviewer | 7/8 offer rate for 4+ sessions | 90min sessions with FREE exercises & videos
Hi there, A very common problem among candidates, which is relatively easy to train. Here's some thoughts on the matter: The mental math tool on Preplounge is great. Also, Rocketblocks is pretty good for quant. Get acce ... (read entire answer)
7
Answers
308
Views
45
Total Upvotes
on Nov 10, 2023 on Nov 10, 2023
Last Activity

Recommended book for consumer survey (retail practice)?

BCG real life current tasks Case Calculations Current Events
Most recent answer on Oct 04, 2022
The best answer (on Oct 04, 2022) is from:
Sofia
Expert
Top-Ranked Coach on PrepLounge for 3 years| McKinsey San Francisco | Harvard graduate | 6+ years of coaching
Sofia
Expert
gave the best answer on Oct 04, 2022
Top-Ranked Coach on PrepLounge for 3 years| McKinsey San Francisco | Harvard graduate | 6+ years of coaching
Hello, Could you give a bit more detail as to what you are looking for here?
3
Answers
588
Views
6
Total Upvotes
on Oct 04, 2022 on Oct 04, 2022
Last Activity

Case Interview Calculation Question: Combining overall market growth and historic sub-market growth

Case Calculations Case Interview growth analysis
Question edited on Aug 23, 2022
The best answer (on Aug 22, 2022) is from:
Emily
Expert
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad
Emily
Expert
gave the best answer on Aug 22, 2022
Ex McKinsey EM & interviewer (5 yrs) USA & UK| Coached / interviewed 300 +|Free 15 min intro| Stanford MBA|Non-trad
I’m sorry that it didn’t work for you this time round - but it’s a good opportunity to learn for next time.  So there is a really important second order question here: how is the growth distributed? There are a number o ... (read entire answer)
2
Answers
949
Views
12
Total Upvotes
on Aug 23, 2022 on Aug 23, 2022
Last Activity

Quick question numeric queries

Calculation tips Case Calculations
Most recent answer on Jun 30, 2022
The best answer (on Jun 28, 2022) is from:
Ian
Expert
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Expert
gave the best answer on Jun 28, 2022
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi Ryan, I highly advise you just quickly flag what you would like to calculate and why. There is only upside here. You are being communicative and taking the client (interviewer) on the journey. If you're wrong then th ... (read entire answer)
6
Answers
964
Views
36
Total Upvotes
on Jun 30, 2022 on Jun 30, 2022
Last Activity

Quant skills

Case Calculations Case Interview Interview Math problem McKinsey prep preparation profitability analysis Quantitative skills
Most recent answer on Jun 22, 2022
The best answer (on Sep 03, 2017) is from:
Francesco
Expert
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Francesco
Expert
gave the best answer on Sep 03, 2017
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Hi Moji, it seems your issue is not the math computation, but rather how to structure the math part once you receive a question (that is, the logic behind that you should apply). This means you should not work on your ... (read entire answer)
6
Answers
7.3 k
Views
69
Total Upvotes
on Jun 22, 2022 on Jun 22, 2022
Last Activity

Data Table / Exhibits

Case Calculations Table
Most recent answer on May 06, 2022
The best answer (on May 05, 2022) is from:
Ian
Expert
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Expert
gave the best answer on May 05, 2022
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi there, Best Rote Practice Rocket Blocks (Preplounge has resources too) Best Practice Strategy 1) Read the Economist (especially the daily graph section) and BCG Insights 2) Ask case partners and/or coaches to focus p ... (read entire answer)
4
Answers
724
Views
15
Total Upvotes
on May 06, 2022 on May 06, 2022
Last Activity

How to calculate a market sizing case instinctively and quickly?

Calculation tips Case Calculations Market sizing mental math
Most recent answer on Dec 31, 2021
The best answer (on Dec 31, 2021) is from:
Ian
Expert
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Ian
Expert
gave the best answer on Dec 31, 2021
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
Hi there, Providing some market sizing thinking for anyone revisiting this Q&A: Remember that there's rarely a "best" answer with market sizing. What's important is that you break down the problem the way it makes s ... (read entire answer)
2
Answers
3.1 k
Views
2
Total Upvotes
on Dec 31, 2021 on Dec 31, 2021
Last Activity

Partner need

BCG Case Interview Boston Consulting Group Case Calculations case partner
Most recent answer on Nov 17, 2021
The best answer (on Nov 16, 2021) is from:
Clara
Expert
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Clara
Expert
gave the best answer on Nov 16, 2021
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Hello! Precisely PrepL (if you have the premium option) offers you the possibility to connect with thousands of case partners, and filter if specifically you are looking for people who are also preparing for BCG (which ... (read entire answer)
5
Answers
624
Views
19
Total Upvotes
on Nov 17, 2021 on Nov 17, 2021
Last Activity

Caculations / quant questions

Case Calculations Investment profitability quantitative ROI calculation
Most recent answer on Oct 02, 2021
Anonymous gave the best answer on Sep 29, 2021
Hi Rachel, Great question! Not sure if you are familiar with the GMAT, but the test has a quantitative section with questions that are quite similar to the quantitative questions in a Consulting Case Study.   I found ve ... (read entire answer)
5
Answers
990
Views
40
Total Upvotes
on Oct 02, 2021 on Oct 02, 2021
Last Activity

Is there a trick to quickly estimate the average annual growth percentage / to or total compounded growth, without a calculator? i.e. X will grow with 5% for the coming 10 years.

Bain BCG Calculation tips Case Calculations Case Interview case interview preparation compounded growth GMAT MathSkills IB Math problem Mck McKinsey McKinsey casing summer internship mental math percentage growth
Question edited on May 06, 2021
The best answer (on Apr 02, 2018) is from:
Vlad
Expert
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Expert
gave the best answer on Apr 02, 2018
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, You can use the rule of 72. For example, if you know the revenue will grow from 100M to 400M in 12 years and you need to know the CAGR: 100M will double and grow to 200M in 6 years CAGR = 72 / 6 / 100 = 12 ... (read entire answer)
8
Answers
25.4 k
Views
22
Total Upvotes
on May 06, 2021 on May 06, 2021
Last Activity

Hi all - does anyone have any material to prep mental maths? Thanks a lot!

Case Calculations case interview preparation case math McKinsey mental math Online Tests
Most recent answer on Nov 10, 2020
Anonymous gave the best answer on Jan 19, 2018
There are many sources u can use e.g. 1. Mental Maths Tool from Preplounge 2. Mental Maths Tool from Victor Cheng 3. GMAT Questions 4. IQ Test also include mental maths questions e.g. solving basic equations ... (read entire answer)
17
Answers
28.1 k
Views
75
Total Upvotes
on Nov 10, 2020 on Nov 10, 2020
Last Activity

Tips for quick division (rules, simplifications etc.)

Case Calculations Division
Most recent answer on Jul 08, 2020
Anonymous gave the best answer on Jul 08, 2020
Hi, I would be happy to share few insights on how to better tackle quick maths BUT you should take into account that it should be your last priority in preparation. MBB focuses on accurate calculations and interpretat ... (read entire answer)
3
Answers
2.3 k
Views
5
Total Upvotes
on Jul 08, 2020 on Jul 08, 2020
Last Activity

Techniques for division?

Case Calculations Division maths
Most recent answer on Jun 09, 2020
The best answer (on Jun 08, 2020) is from:
Vlad
Expert
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Expert
gave the best answer on Jun 08, 2020
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, I recommend learning a division table. Learn all the numbers until 1/10 (e.g. 1/3 = 33.3%, 1/4 = 25%, 3/4 = 75%, 1/6 = 16.7%, etc) This method will help you calculate any percentage problems like market shares o ... (read entire answer)
7
Answers
1.3 k
Views
19
Total Upvotes
on Jun 09, 2020 on Jun 09, 2020
Last Activity

Scientific notations to ease calculation

Calculation tips Case Calculations Scientist Background
Most recent answer on Mar 23, 2020
The best answer (on Mar 20, 2020) is from:
Daniel
Expert
McKinsey / ex-Interviewer at McKinsey / I will coach you to rock those interviews
Daniel
Expert
gave the best answer on Mar 20, 2020
McKinsey / ex-Interviewer at McKinsey / I will coach you to rock those interviews
Hi Clement! you can definitely do that, as long as you arrive to the right answer nobody cares how you calculate it.
7
Answers
1.8 k
Views
5
Total Upvotes
on Mar 23, 2020 on Mar 23, 2020
Last Activity

Inaccurate calculation bad impression

Airline Economics Case Calculations
Most recent answer on Jan 06, 2020
The best answer (on Jan 06, 2020) is from:
Antonello
Expert
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Antonello
Expert
gave the best answer on Jan 06, 2020
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching
Hi Ronnie, it will not be a problem. If you want to be sure, feel free to ask the interviewer if you can proceed with the approximation. Best, Antonello
3
Answers
2.1 k
Views
3
Total Upvotes
on Jan 06, 2020 on Jan 06, 2020
Last Activity

Can't we directly divide the total store sales with average expense per person to determine the number of customers ?

Case Calculations case question Mergers&Acquisitions SuperBurger
Most recent answer on Dec 23, 2019
The best answer (on Dec 23, 2019) is from:
Luca
Expert
BCG |NASA | SDA Bocconi & Cattolica partner | GMAT expert 780/800 score | 200+ students coached
Luca
Expert
gave the best answer on Dec 23, 2019
BCG |NASA | SDA Bocconi & Cattolica partner | GMAT expert 780/800 score | 200+ students coached
Hello Ravi, You are right, you can obtain the same result using your way. You will find a different number just because in the case resolution the intermediate results are rounded. Hope it helps, Luca
1
Answer
2.1 k
Views
2
Total Upvotes
on Dec 23, 2019 on Dec 23, 2019
Last Activity

Calculating costs from price/kg and % of client's purchases

Case Calculations
Most recent answer on Sep 17, 2019
The best answer (on Sep 17, 2019) is from:
Vlad
Expert
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Expert
gave the best answer on Sep 17, 2019
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, Your question is completely unclear. If the cost is the % of the price, then you simply multiply the two numbers Best
2
Answers
1.8 k
Views
2
Total Upvotes
on Sep 17, 2019 on Sep 17, 2019
Last Activity

why did we subtract one from the number of streets and avenues as we calculated the number of blocks?

Case Calculations TKMC Case: Elevators
Most recent answer on Sep 16, 2019
Anonymous B gave the best answer on Sep 16, 2019
Because if you consider the perimeter streets then the blocks inside are (# streets-1). It is the same if you draw a square with 4 vertical lines and 3 horizontal lines; the sectors in the square are 3*2 (# vertical lin ... (read entire answer)
1
Answer
2.4 k
Views
12
Total Upvotes
on Sep 16, 2019 on Sep 16, 2019
Last Activity

Hi, how do you calculate growth rate for next three years knowing annual growth (%)?

Case Calculations
Most recent answer on Sep 16, 2019
The best answer (on Sep 16, 2019) is from:
Lucien
Lucien gave the best answer on Sep 16, 2019
Increasing by 4.7% (approximated to 5%) is equal to multiply the initial value by 1.047 (approx 1.05). Since this occurs three years in a row (from 2012 to 2015) you multiply the initial value by 1.05, then that value b ... (read entire answer)
3
Answers
2.2 k
Views
3
Total Upvotes
on Sep 16, 2019 on Sep 16, 2019
Last Activity
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