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
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
Additional recource can be GMAT Integrated reasoning from the official guides and apps if you feel that you are not p[erforming well
As far as I remember calculator is allowed on BCG test. Make sure you know how to simplify calculations and use it fast. If not - work on fastening your math
Once completed the BCG test simulations, move to PST practice. You can find a good number of PST test online for free. PST is different from the Potential test (the structure is not the same, in the Potential test you get penalized for wrong questions while in the McK PST you don’t, etc), but it is definitely closer to that than pure GMAT questions.
Do all the simulations with a time constraint. Then, after each test, report all the mistakes you did in the test. You will likely find mistakes have something in common (eg, wrong math; too much time wasted on some questions; wrong interpretation of graph; etc). Then work on these categories one by one. Many people do these simulations concentrating only on the final score and don’t spend time categorizing the type of mistakes, thus not improving their performance.
You can find some additional tips on the BCG potential test at the link below:
That being said, BCG has been rolling out a new BCG Online Case (also called the Chatbot Interview) since 2019. It is a 8-10 questions test structured in 2 parts:
8-10 questions to be taken in 25-30 minutes
1 video interview question at the end, where you have to provide a recommendation
The main differences compared to the previous version (BCG Potential Test) are the following:
8-10 questions instead of 23
25-30 min instead of 45
Presence of open questions
Video sum up at the end
The main challenges based on the candidates I helped are the following:
Time. Questions are not particularly difficult, however you will feel time constraints also due to the fact you don’t know how difficult the next questions could be - thus how much time they may require
Chatbot interaction. Unlike a test like the McK PST, you cannot proceed “at your own pace”. You will have to follow the evolution of the test as questions are revealed one by one
Math. Candidates often find the math quite challenging given the time constraint
If you want to prepare in the best possible way, I created a guide exactly for that.
This guide will:
Show you the perfect strategy to answer the 5 types of questions in the Chatbot
Offer you a clear strategy to optimally structure the One-Way Video Assessment
Provide insider information from previous applicants who succeeded the Online Case
Structure a clear preparation plan based on 6 FREE PSTs and Potential Tests
Replicate the same experience of the interview thanks to 2 FREE Complete Chatbot Cases (Casey-style)
As an extra bonus, I am currently offering the BCG Potential Test #1 (worth $39) and Graph Analysis Cheat Sheet (worth $29) for free with the guide. That may change in the future so hurry up if you are interested ;)
If you need additional support or have any questions on the guide please feel free to PM me, I will reply within 12 hours.
Ex-Mckinsey|Certified Career Coach |Placed 500+ candidates at MBB & other consultancies
I would recommend you to practice GMAT for BCG
1) Keeping your math trained with GMAT exercises is always a good idea. Free resourced can be found online, for example:
In case you have already started your preparation for case interviews and good at reading charts, analytical thinking, and mental math, then BCG potential is an additional of probably an hour as what you should plan for.
Basically, to prepare you can use some mock potential test, and after every test just look into solution to see where you have gone wrong. 3-4 mock test it would be enough for you to prepare for the potential test.
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
I would strongly recomment you practice it with the Integrated Reasoning part of the GMAT exam.
There are free exams in the internet that you can use for practice (the one of LBS MBA page, Verits prep, as well as some free trials for courses such as the one of The Economist (https://gmat.economist.com/)
BCG test includes 23 questions and you will be given about 45 minutes to complete it. This means you will have two minutes to solve each question on average.
The BCG online case is very similar to a regular case the only difference being that your direction in the business case is guided by the questions being asked. So it will be similar to an "interviewer-led" case format. There are a lot of resources online for case solving and all you need to do is Google. If you want to sharpen your case skills in general I would recommend Victor Cheng's Case Interview Secrets by Victor Cheng and his book.
However, since the BCG Online Case is also a single-choice test, you can also use this format to your advantage. You’ll receive+3 points for correct answers and -1 for wrong answers. Currently, the inofficial cut-off score is below 70-75%.
Message me if you have any other specific questions and all the best!
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