Hi, It's easier to: Segment New York into blocks using the number of streets and avenues. Calculate separately the area of the parks Assume a certain number of trees per block and separat... (more)

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

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Hi Mirko, Below is one potential approach to the solution : - Number of trains per hour (assume this is based on frequency of service), you can also adjust for time of day (rush hour vs othe... (more)

Hi, Define the time it takes for a single person to pay Define max number of people paying in a singly cashier line per shift Multiply by the average utilization of the cashier line Multip... (more)

1. You can use 5m. With all the assumptions you are going to make, this first approximation is not important. I recommend asking the interviewer something like "Can I use 5m to facilitate the calculat... (more)

I think this particular question is not designed to reach an accurate result. There are simply too many assumptions involved, and their errors add up. Instead, the question tests whether the candidate... (more)

How would you approach to calculate the number of people at a busy tube station at a given hour?... (more)

Hi Anonym, there are many different ways to calculate that. Depending on whether the question is used as a whole case or is only part of a case, you can solve it in different levels of detail. A... (more)

To add to Deepti's answer -Saudi Araba is a huge tourist destnation so be sure to factor that into your calculations as well

I got this question during an interview for a non-consulting job before I learned at all about struc... (more)

How would you go about this question?

I would approach this as a strategic invesment decision as follows: The maximum price I would pay for the bridge = Incremental yearly profit generated by the bridge x the break even period you have... (more)

Got a similar case at McKinsey some time ago - I actually asked the same question here : https://www.preplounge.com/en/consulting-forum/atypical-case-4501

Hi Anonym A, this is one of the more difficult estimation questions, because you have only few reference points. I would first determine how many international companies there are in Dubai and h... (more)

Hi, I would go with 1) Number of people in the world 7.5B 2) Segment them into (non flyers ~85%, occasional flyers 14%, frequent flyers 1%) 3) Multiply with number of flights (no flyers,... (more)

Hi, it really depends. If your assumptions are a little of on each step of the estimations you can get quickly to 5-10X the true market size. I think you would only fail if you made completely unlo... (more)

Hi, You should make the following assumptions: Peak, non-peak hours and total operational hours # of planes landing and taking off during peaks and non-peaks Max # of passengers per plane... (more)

Hi, There are 2 ways to structure market sizing: Formula - basically a math formula to come up with a solution. The problem with the formula is that it is easy to forget something or get lost... (more)

I like this one: How many chickens are there in the world? Cheers Serhat

The very simple answer to your question is "YES IT IS VERY IMPORTANT" You even can face a market sizing question as your overall case interview at any round. Cheers Serhat

I would use the population although it will be very sensitive to many assumptions. It looks very difficult to make meaningful assumptions in terms of land size. Cheers Serhat