Hi, Here is a set of things you need to know: 1) Math and formulas: Interest rates calculations Compound margin NPV using the Rule of 72, Perperuity CAGR using the Rule of 72 Curre... (more)

# All questions tagged math - Consulting Q&A - PrepLounge.com

Ask a question## Math for case interviews

## Bcg finance formulas

Hi, Here is a set of things you need to know: 1) Math and formulas: Interest rates calculations Compound margin NPV using the Rule of 72, Perpetuity CAGR using the Rule of 72 Curre... (more)

## Math stress

Hi Anonymous, the problem you mentioned is very common. The majority of the people are actually ok with the math in a case in normal conditions. However they “suddenly” make a lot of mistakes once... (more)

## Case Math Prep

Hi, Pls find below my list 1) Case math Practice common market sizing topics (Airport passenger flow, real estate volumes, subway passenger flows, car usage, etc.). You should become comforta... (more)

## Slow in parsing and digesting Math word problems at case interviews - how to improve?

Hi, Something that helped my candidates - download ALL casebooks available online and go through the math problems in the cases. They will give a good sense of required business terminology. Then y... (more)

## plain or graph paper for case interviews better?

Whatever works best for you - your notes are non-evaluative (except in the context of communicating your structure) and will be thrown away after your interview. Therefore the only consideration is wh... (more)

## Effective math tool

Hi, Any of these tools are good: Preplounge Mental Math, V. Cheng, Mimir Math. It's more about the skills. I recommend to concentrate on the following: 1) Learn how to multiply double digit numbers... (more)

## Math Question During Interview

Hi, When performing a calculation, I recommand : Split the discussion in two : start with the structure of the calculation, and once it's validated draw hypothesis and perform the calculation whe... (more)

## Starting with Financials

Hi Anonymous, the market, the company, the customer preferences etc. all play into the financials. The financials are DRIVEN by these factors! So you need to outline the numerical driver tree, and... (more)