Hi there, Let me chime in here. First, try to think of this problem in terms of the expected value of the candidate drug: Expected Value = Likelihood of success * Present Value (in case of su... (more)

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

Ask a questionHello Sudipto, the first part of this case would be only about crunching the numbers, then you will need to add some hypothesis and finally make some considerations. ----> Crunch the numbers... (more)

Hi Jyotishman, as for structuring, the best preparation I found for math-intensive case has been on consulting handbooks of top MBA school. In particular, I would suggest the following: Downl... (more)

Sure, always use 10^power instead of zeros Example: 300x9000 = 3*10ˆ2 x 9*10ˆ3=3x9*10ˆ(2+3)=27*10ˆ5 Handwritten it looks not that complicated. If you get used to writing all the numbers that... (more)

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)

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)

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)

Hi, There are several 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*10ˆ... (more)

I would work backwards. But first, let's start with simple stuff. If the cost is €1 and the margin is 200%, this means that the sale price is €3 -> cost price x (1 + margin). So working backwards i... (more)

Hi, Ask the interviewer 1-2 times to get a sense of how comfortable he is with rounding numbers and how many zeroes he requires. Continue with an assumption that you should keep that level of... (more)

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)

I have started to make a list. Would appreciate if you can help me add to it! Market sizing... (more)

Hi, It may be both. Or maybe he hasn't noticed the mistake himself. So just relax and keep fingers crossed. Best

Not a direct answer to your question, but make sure you are very comfortable with the math. 10-15 minutes/day on caseinterviewmath.com for example, will go a long way; this website will rank you per a... (more)

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... (more)

I don't think there's any hard & fast rule. If I feel like the math is getting a little more complex, or I have too many numbers to keep track of, I always err on the side of caution: better go a... (more)

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... (more)

Hi, I recommend going through the GMAT math part and practice the equations there. There are many good books on that. Best

I would be interested - how are things looking this weekend?