Hi! Is there an exhaustive lost of all the possible math concepts one would need to know for case interviews?
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Math concepts
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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!
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- 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)
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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
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Hello, plz PM me!
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Dear A,
Here is some financial formula you need you know:
• Revenue
• Fixed and variable costs
• Profits
• Return on investment
• Payback period
Best,
André
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