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Please Help: BCG Potential Test in a Week

Anonymous A asked on Nov 08, 2018

I have the BCG Potential Test in a week and I absolutely don't know where to start. Please help! I have very limited funds (I live in one of the poorest countries in the world), so the igotanoffer package is out of my budget. :(

Thank you.

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Francesco replied on Nov 09, 2018
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Hi Anonymous,

the BCG online case (Potential test) is a multiple choice computer test with 23 questions to be answered in 45 minutes. It has one single case only. You receive +3 for each right answer, 0 for no answer and -1 for a wrong answer.

For the preparation I would recommend the following:

  • Practice as much as you can on Potential test simulations. Although you said you have limited funding, getting at least one test would be a very good investment, as your competition will probably do that
  • 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 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.
  • If possible, don’t print the sample tests; rather, do the simulations while at your computer. As it is a computer test, during the actual one you cannot write down notes near the questions and you will have to go back and forth to the different parts online; if you practice on the paper version only, you will find different dynamics the day of the interview which could influence your performance.

As additional notes:

  • Calculators are generally not allowed, but there are exceptions in some countries (you can clarify that with HR).
  • You have to take into account you get penalized for wrong answers, so you should adapt your strategy accordingly.
  • Math practice, graph interpretation and quick reading training can also be useful. You can find some more comments on that at the following link:

Hope this helps,


Presiyana replied on Nov 08, 2018
Investment banker moving to consulting. Novice at case studies, looking for accelerated prep for applications soon

Hi, congrats on getting the test invite. I would recommend first of all doing the free tests floating around the web and then proceeding to the McKinsey PST papers - there are quite a lot of them online.

The main thing here is to understand the concept of the test - time pressure, quick math (revise your percentages, fractions, rule of 72, compounded growth rate) and very speedy reading and understanding.

They also have negative marking as opposed to some other tests.

Good luck!

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