Hi! Is there an exhaustive lost of all the possible math concepts one would need to know for case interviews?

Hi! Is there an exhaustive lost of all the possible math concepts one would need to know for case interviews?

4 answers

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
- Currencies exchange calculations
- Speed, time, distance calculations
- Equations, systems of equations
- Integral (calculating the area of geometric figures to solve case problems)
- Ratio & Proportions
- Little's Law
- Profit / breakeven formula
- Correlations, outliers (being able to spot on the graphs, tables)

**2) Fast math skills**

- Rounding up and down
- Learn how to multiply double digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo)
- Learn the division table up to 1/11 (i.e. 5/6 = 83.3)
- Learn how to work with zeros using powers (e.g.: 4000000 = 4*10ˆ6)

Use math tools (Mimir math for iOS), Math tool on Viktor Cheng website to practice

**3) Working with tables and graphs and deriving conclusions**

- Study "Say it with Charts" book
- Check all available MBB presentations and publications. Practice to derive conclusions and check yourself with the actual ones from the article / presentation
- GMAT IR part (Official guide and Manhattan prep)
- Learn basic statistics (Any GMAT or MBA prep guides)

Good luck!

**100% Recommend Rocket Blocks.**It's exactly what you're looking for**https://www.rocketblocks.me/**- In addition to that, you
**can ask other PrepLoungers to case you on chart/math-heavy cases.**You can also search for those case types here and work through them yourself.

Some key formulas/concepts:

- Breakeven
- NPV (with + without growth, perpituity + 1-2 years from now)
- % Change
- ROI
- Margin
- Markup
- Inventory turnover

(edited)

Hi,

There has been quite some similar questions asked before on PrepLounge. You can refer to the following.

https://www.preplounge.com/en/consulting-forum/bcg-finance-formulas-1438

Best,

Emily

Hello, plz PM me!

Your math skills will be tested in each and every consulting interview. So you better brush up mental math skills to succeed.

QuizWe explain and give tips on how to understand and analyze graphs, charts and data presented by interviewer to candidates in case interviews.

QuizQuestions among all tests can be categorized in math, GMAT-style, chart reading and brain teaser questions. Each type needs to be approached differently.