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How to prepare for BCG online case?

Anonym A fragte am 8. Dez 2017 - 16 Antworten

Hi everybody!

I have been invited to BCG first round, which will consist of two face-to-face cases and one online case. What should I expect from the online case? Is it somehow similar to McKinsey PST/SHL? How should I prepare for it?

I will interview at the italian office in Milan, if that matters.
Thanks for your help


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antwortete am 9. Sep 2018
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I have uploaded both test samples here (Online test is about airlines). I've also added BCG written case sample (Next round) and Bain written case:

(PM me for a password)

As for particular recommendations for online test:

  1. Try to find as many people in your country as you can who have done the test. Ask them for the topic, industry, and questions they remember. For example in one of the countries there was a test about airlines and reading a couple of articles / company reports / wikipedia articles with industry terms could significantly improve performance
  2. Try to practice tests with strict time-management. McKinsey PST from the official web site and all mck and bcg -like tests you can find online
  3. Additional resources can be GMAT Integrated reasoning from the official guides and apps if you feel that you are not p[erforming well
  4. As far as I remember calculator is allowed on BCG test. Make sure you know how to simplify calculations and use it fast


Hi, do you mind sharing with me the password? Im taking the test in 2 days so really need all the help I can get! :) — Yan Yi am 16. Sep 2019

Hi Vlad! Do you think you could PM me the password? :) — Olle am 23. Sep 2019

Hi Vlad, Could you please send me the password ? — Tristan am 12. Okt 2019

Thanks so much Vlad. Really appreciate the guidance. — Michael am 15. Okt 2019

Hi Vlad, could you please send me the password for the dropbox folder? :) I'm taking the BCG test next Friday. — Daniel am 19. Okt 2019

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bearbeitete seine Antwort am 3. Feb 2018
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Hi Anonymous,

I did the non-Potential test in the Milan office some years ago (2011) and got confirmation that last year (2017) was still the same; the test consisted of two parts:

  • Numerical test. Very similar to the SHL numerical part. Paper-based, each question had 5 or 10 possible answers. Questions were not hard, but time was really short.
    • Resources: You can train online on SHL type cases with a strict time constraint. You can find an example of a SHL numerical test at the following link:

  • Logic test based on traffic lights colours. Technically speaking, the test is called Fault diagnosis. In the test, two or more traffic lights are connected by codes; each code changes a colour of the traffic light; one or more of the codes are broken and you have to understand which are the broken ones. It was a bit complex to understand the logic initially, but once understood it the test was not particular difficult.
    • Resources: You can find an example of a Fault diagnosis test at the following link:

Hope this helps,



Anonym antwortete am 2. Feb 2018


My advice would to be for you to practise mental math (divisions, multiplications, percentages, approximations) as much as possible. This type of tests are mainly about interpretation, accuracy and speed, so you should try to be comfortable with these three dimensions.

A nice way to practise is to take a P&L from a company and start playing with their figures: e.g., what would be the % impact in profitability if transport costs decrease by X; what's the % of staff costs over revenues, etc.



antwortete am 1. Okt 2017
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Hi Lior,

As Francesco and Marc highlighted, a good mix between interview cases and test preparation is ideal but please keep in mind that you're not getting the interview chance if you don't pass the test.

As for the test: BCG sample tests are the greatest prep source but I personally don't believe PST is the best back-up. This is because BCG tests sometimes fall into pure math like geometry questions (no business context at all) - and this is why I think the GMAT quant questions are a better source of questions. Additionally, there is also an "infinite" amount of questions to train ;)

I'd suggest you to do 2-3 sample tests to check what are your strengths and weaknesses - be honest to yourself and try to close whatever gaps you might have.

Wish you the best of luck!



antwortete am 13. Okt 2019
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Hi Anonym,

I worked at BCG until recently.

If you like, we can have a call on it? Feel free to write me.

Best regards


Louis antwortete am 8. Sep 2018
Went through mock workshop and attended in-person coaching by McKinsey. Looking for solid partners to practice

Find "BCG online test pdf" on Google. There are a few tests with limited questions that is similar to the real test.

My tips from my recent BCG test: practice quick, logical thinking.

For example, here are a few question types from what I recall:
- Choose the most important data for the analysis
- From a few variables, create a formula a calculation to get the required data (e.g Revenue = 100.x / (y - 50z) )
- Do you think that we can calculate X from all the data available? (Requires you to think about what data you have, and can you calculate X with the data)
- Other questions required you to interpret exhibits, make calculations... Not math-heavy, but logic-heavy
- What action is the most impactful to achieve the business's objective? (Test your business sense and logical thinking)
- True / False

Do some McKinsey PSTs can help. Make sure that you read the questions carefully.

Antwort auf Frage:

Bcg online test

Anonym D bearbeitete seine Antwort am 21. Dez 2017

Hi Domen,

Adding onto what Francesco wrote.

I recently took the BCG test (just 2 weeks back). Although i was told about the test only the evening before my round 2 interviews, so I didn't had much time to prepare.

My key take away (after a last minute panic and google search on how to beat BCG test) are:

  1. Time yourself -45 minutes can fly quickly
  2. The test has two cases and more informations will be made avilable to you as you go on
  3. Each question was linked to the previous one in either qualittive or quantitative way
  4. Use the calculator -(take yours and practice onit, I was given a big calculator and I did spend a lot of time on just getting used to it)
  5. I selected multiple answers which were -none of the above (this may sound normal, but I am coming from education background where I have taken at least 4 Multiple answer format test each year, and rarely that has been the answer.
  6. Read the graphs carefully and make sure you understand the questions so that you don't solve something which is not needed.

And yes, I got the offer. So I hope it helps you.



Marc antwortete am 30. Sep 2017

Hello, I am also preparing for the BCG online test, let me give you some tips:

1.- Continue solving interview cases, because after the test they can (sometimes) not give you enough time to prepare for the first round.

2.- In terms of preparation, focus on accuracy at first and then on speed. You can practise using also PST, even though they do not have the same dynamics.

3.- You have enough time to prepare, so get started now practising mental math skills and also interpreting graphs from BCG Perspectives or McK Quarterly to get used to interpreting raw data.

Take care,

Anonym C antwortete am 13. Apr 2017

Hi Sebastin,

first of all congrats on the invitation to write the test! how did you do? do you mind sharing tips on how best to prepare for the test and wIat i can expect when writing the test! Thanks

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