Hi Anonymous, the following are the inputs of the problem: Price: 1.6x import goods Renting: 1350/ month Staff: 1120/ month Operation: 825/ month Import goods Feb: 39840 Import good... (read entire answer)

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

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Hello! I would advise you GMAT quant questions for practicing these type of exercises. You can find many free trials for both exams and exercises in the internet (Veritasprep, London´s Business Sch... (read entire answer)

With multiple-factor multiplications like these it is often a good idea to change the order of operations and group the numbers more efficiently. As a first step, I would propose the following:... (read entire answer)

Hello! Before putting the numbers, might help u to solve it "theoretically". Write both equations from both situations (revenue - fixed cost - variable cost) and outline which is the factor you are... (read entire answer)

I always suggest not to try remember formulas by heart. As you were saying, during the cases you have to derive easy formulas and you have just to learn to structure your thoughts in the right way.... (read entire answer)

Hi, I confirm the importance of maintaining the interviewer in your logical process, without giving anything as assumptions. I recommend using a separate paper for calculations to leave clean the st... (read entire answer)

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... (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, It's the rule of 72: 1) 72 or 70 (whichever is easier to calculate) is devided by 5. Thus 70 / 5 = 14. It's the number of years it takes to double the investment 2) If you have 10 years,... (read entire answer)

Hi, You can use the rule of 72: 72 / 20 = 3.6 - 3.6 years takes it to double 6 / 3.6 = 1.5 - 1.5 times it will double 10M * 2ˆ1.5 = 30M If you google the rule of 72 you'll find tons of... (read entire answer)

Hi, The best way is to practice, but practice in a smart way. Here are some tips and tricks to be most effective: Practice in front of someone else. I see loads of candidates say they have p... (read entire answer)

Hi Anonymous, this is what I would recommend for the math part: Repeat the question – candidates sometimes do mistakes answering the wrong question in the math part Present how you would li... (read entire answer)

Hi! I have written this earlier, and I will repeat it: the obsession with "Mental Math" is one of the many damaging nonsense myths that are flying around! Mental math is simply not something that i... (read entire answer)

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

Hi Lilian! This obsession with "Mental Math" is one of the many damaging nonsense myths that are flying around! Mental math is simply not something that is required in ANY way! You are not te... (read entire answer)

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

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

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)

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... (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)