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How to prepare for a MBB written case

Bain, for example, now gives out one-hour written case and asks candidates to review a client's deck and comes up with a deck on recommendations. I have made many slides at work but hardly remember a time I completed a recommendation deck for clients in an hour. What is being evaluated here and how do I attack this giant time-sensitive written case? Any thoughts?

Bain, for example, now gives out one-hour written case and asks candidates to review a client's deck and comes up with a deck on recommendations. I have made many slides at work but hardly remember a time I completed a recommendation deck for clients in an hour. What is being evaluated here and how do I attack this giant time-sensitive written case? Any thoughts?

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Hi,

Bain Written Case is much easier than BCG since most of the slides a partially pre-filled. It has 2 parts:

  • Case information you have to go through
  • Slides with the missing info you have to complete

I have uploaded a sample here (message me to ask for a password):

https://www.dropbox.com/sh/zor4m49eyx5qxal/AABeUN6mtiGkWhEklRjszX2Oa?dl=0

Since each question in a written case has an exact correct answer, the success criteria is the number of questions answered correctly.

The best way to prepare is the following:

  1. Check if the calculator is allowed. If not - you have to train mental math. I posted the main tips here: https://www.preplounge.com/en/consulting-forum/tips-to-do-big-multiplications-in-my-mind-726#a1422
  2. Practice solving the cases - basically preplounge website is about it
  3. Practice reading cases fast and prioritizing the information. You can use 2 sources:
  • Written cases in the internet (You can find some of them in google or in case books)
  • Harvard cases - either buy or try to download somehwere in the web. You can find a couple of MIT cases here for free: https://mitsloan.mit.edu/LearningEdge/Pages/Case-Studies.aspx The main problem - these free cases don't have any pre-defined questions.

Good luck!

Hi,

Bain Written Case is much easier than BCG since most of the slides a partially pre-filled. It has 2 parts:

  • Case information you have to go through
  • Slides with the missing info you have to complete

I have uploaded a sample here (message me to ask for a password):

https://www.dropbox.com/sh/zor4m49eyx5qxal/AABeUN6mtiGkWhEklRjszX2Oa?dl=0

Since each question in a written case has an exact correct answer, the success criteria is the number of questions answered correctly.

The best way to prepare is the following:

  1. Check if the calculator is allowed. If not - you have to train mental math. I posted the main tips here: https://www.preplounge.com/en/consulting-forum/tips-to-do-big-multiplications-in-my-mind-726#a1422
  2. Practice solving the cases - basically preplounge website is about it
  3. Practice reading cases fast and prioritizing the information. You can use 2 sources:
  • Written cases in the internet (You can find some of them in google or in case books)
  • Harvard cases - either buy or try to download somehwere in the web. You can find a couple of MIT cases here for free: https://mitsloan.mit.edu/LearningEdge/Pages/Case-Studies.aspx The main problem - these free cases don't have any pre-defined questions.

Good luck!

hi Vlad, can you share the password to the dropbox link? looking forward to hearing back from you soon. thank you — Wili on Jun 08, 2019

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It is mostly just a time management issue: you still need to display the same qualities as in a traditional case interview, but now also have to add 2 more things: (1) parse through a huge amount of data - most of which may not be relevant or useful, and (2) you need to prepare your presentation itself

I recommend you give yourself a very strict timeline. For example, assuming 1h to prep: 5 minutes to read the question and prepare the framework, 10 minutes to scan the data; 20 min to prepare the argumentation, 15 minutes to create the slides; 5 minutes for the wrap-up; whatever is left to review and get ready to give a verbal presentation

It is mostly just a time management issue: you still need to display the same qualities as in a traditional case interview, but now also have to add 2 more things: (1) parse through a huge amount of data - most of which may not be relevant or useful, and (2) you need to prepare your presentation itself

I recommend you give yourself a very strict timeline. For example, assuming 1h to prep: 5 minutes to read the question and prepare the framework, 10 minutes to scan the data; 20 min to prepare the argumentation, 15 minutes to create the slides; 5 minutes for the wrap-up; whatever is left to review and get ready to give a verbal presentation

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