Hi Anonymous, it seems your problem is not the math itself, but the math under pressure. This is a very common problem for many candidates. The majority of the people are actually fine with math... (read entire answer)

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

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Hello Richard, Thanks for sharing! Actually I have many candidates that struggle with mental math, I will take a look to your app. Best, Luca

Hi, I recommend downloading all casebooks available online and check the math problems. You'll have a good list. Here are some of them to keep in mind: Interest rates calculations Compound... (read entire answer)

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... (read entire answer)

Hi, Basically, you need to develop 3 calculation skills: 1) Learn how to multiply double-digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo). 2) Learn how to work with zeros. Best way... (read entire answer)

Hey there, I made the following quickly on Excel. However, I wouldn't advise you to try memorise the whole thing, as it's a) a lot to try remember and b) doesn't have that much value. Rather, memor... (read entire answer)

Hi, Basically, you need to develop 3 calculation skills: 1) Learn how to multiply double digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo). 2) Learn how to work with zeros. Best way... (read entire answer)

Hi Anonymous, in general, the main issues with big numbers is forgetting zeros during operations. Potential tips to deal with big numbers are the following: Use correctly 10^ powers in your m... (read entire answer)

Hi Jana, It won't work where you have really ugly numbers but one trick to keep in mind is the 'invert and multiply'. So to use your case: 0.024/0.08 = (0.024/1) / (4/5)... (read entire answer)

Not sure whether I get the question... So BYB has 38% $-marketshare and 34%-unit share, then their $-share is overindexed by (38/34 = 1.12 (approx.)). So if every bus costs 150k (6 bln / 40 k), then... (read entire answer)

Hi, There are two techniques that you can use: 1) Learn how to work with zeros. Best way - always use 10^power instead of zeros Example: 300x9000 = 3*10ˆ2 x 9*10ˆ3=3x9*10ˆ(2+3)=27*10ˆ5... (read entire answer)

Hi, whenever you are required to solve a compound interest problem you can go with two different logic: 1. When you want to know how much will value X will be in Y years given Z% growth each yea... (read entire answer)