Hi Clement! you can definitely do that, as long as you arrive to the right answer nobody cares how you calculate it.

# All questions tagged Case Calculations - Consulting Q&A - PrepLounge.com

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Hello! Actually, as an interviewer, I would take positive note of you making an approximation to work in an easier way (one clear application of the 80-20 approach) Good luck! Cheers, Cla... (read entire answer)

Hello Ravi, You are right, you can obtain the same result using your way. You will find a different number just because in the case resolution the intermediate results are rounded. Hope it help... (read entire answer)

Hi, Below is the answer I provided in a different thread, I hope you will find this useful: https://www.preplounge.com/en/consulting-forum/market-sizing-case-how-many-petrol-stations-are-there-i... (read entire answer)

Hi, Your question is completely unclear. If the cost is the % of the price, then you simply multiply the two numbers Best

Because if you consider the perimeter streets then the blocks inside are (# streets-1). It is the same if you draw a square with 4 vertical lines and 3 horizontal lines; the sectors in the square are... (read entire answer)

Increasing by 4.7% (approximated to 5%) is equal to multiply the initial value by 1.047 (approx 1.05). Since this occurs three years in a row (from 2012 to 2015) you multiply the initial value by 1.0... (read entire answer)

Hi! Yes, you are allowed to use a calculator! It is provided by the company (a really basic one). The format of the Monitor case interview is quite different from MBB. You get information in wri... (read entire answer)

Hi, In that case, if you need a precise answer, I believe you should just do the division on paper. They only thing you could do is playing with the zeros (e.g. 1600/175) and then move it back.... (read entire answer)

Hi, As for structuring - I've answered here: https://www.preplounge.com/en/consulting-forum/how-to-structuring-the-market-sizing-case-2301 For math skills you need to learn: Rounding u... (read entire answer)

Hi, Net operating profit (Or net Income) = EBIT - interest income - income taxes You'll don't need EBIAT formula on the case interviews. Net income will be useful Best!

In order to perform math calculations faster, here are some tips you can use: Increase the number of steps in your calculations and turning complex operations into simple ones: It seems counter-... (read entire answer)

You may apply the Rule 72. You divide 72 by the rate and get the number of years to double the initial number: https://www.investopedia.com/ask/answers/04/040104.asp

Hi Moji, it seems your issue is not the math computation, but rather how to structure the math part once you receive a question (that is, the logic behind that you should apply). This means you sho... (read entire answer)

Hey John, Before attempting to answer, I would like to clarify the question details. See below: 1. So Discount rate is 10%? 2. Growth rate is 5% but growth starts in year 1. I.e. Yr... (read entire answer)

Hello 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... (read entire answer)

You should be careful with rule of 72. With big growth rates it is not working. If growth rate is more than 15% results can be drastically different. In PST sample "A" there is a question with CAGR (... (read entire answer)

Hi Anonymous, To answer your questions, I will first describe the theoretical correct valuation approach, and then the simplified approach you can normally apply in consulting interviews. Full D... (read entire answer)

Hi Andreia, this is definitely a case where you can apply the rule of 72 to get a rounded answer: Step 1: find the amount of time the initial capital would double. Dividing 72 by 4, you get 1... (read entire answer)