Some people have mentioned GMAT questions are good prep. Thank you!
What is the best way to improve quantitative skills?
Quant skill is quite a broad definition. Let's split into the following:
1) Fast math - train, train and train again
- Learn how to multiply double digit numbers (google fast math tips)
- Learn the division table up to 1/11 (i.e. 5/6 = 83.3)
- Learn how to work with zeros (Hint: 4000000 = 4*10ˆ6)
- Use math tools (Mimir math for iOS), Math tool on Viktor Cheng website to practice
2) Critical reasoning
- GMAT test CR and IR parts (Official guide and Manhattan prep)
- Mckinsey practice tests
- PST like tests from the web
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)
4) Case math
- Practice common market sizing topics (Airport passenger flow, real estate volumes, subway passenger flows, car usage, etc.). You should become comfortable with making assumptions
- Learn key financial topics (P&L and balance sheet and how to analyze them, Basic Valuation principles via NPV and comps) and case tips (e.g. Rule of 72, Perpetuity)
Related BootCamp article(s)
Fast Math: How to Master Mental Math
Apply these tips and tricks for outstanding mental math shortcuts to impress your interviewer in your next case interview.
Getting Up to Speed
In order to repeatedly demonstrate prerequisite skills under the pressure of a real case interview, you need to learn the basics and practice cases.