Consulting Math Full Context Case

Full Context Case Question

This is a sample of a practice Full Context Case. You might want to go back to the Consulting Math overview article for more in-depth information on improving your quantitative capabilities for the McKinsey PST and Case Interviews!

Airplane Sitting Options

The client is a new airline with only one Boeing 737 in its fleet. Currently, the B-737 contains 200 Economy seats. The airline is considering installing business and First Class seats into the plane.

The space required per seat is how much space each type of seat requires measured by the number of Economy seats.

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Full Context Case Question

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Question 1.1: Assume that Economy seats are always fully occupied. If the airline wants to have only 150 Economy seats and install business seats to fill up the rest of the plane, what is the minimum percentage of Business seats occupation needed to ensure that the airline has at least as much revenue as before?

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Question 1.2: We know that the demand per flight for each type of seat is always 200, 10, 4, respectively (Economy, Business, First). What is the best seating allocation for the airline? Assuming the goal is to maximize its revenue.

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Question 1.3: Assuming the client has already built the plane with 10 First Class seats and 20 Business Class seats, and that the airline will use all possible strategies to generate the most revenue in one flight. With the same seat demand stated in the last question (200, 10, 4), what is the maximum revenue the airline can generate in one flight?

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EstefaniaArzu HuseynzadeJack Recent comment authors
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The question didn’t give prices for each type of seats, do we just assume it’s $100 for eco and $200 for bus.?

Arzu Huseynzade
Arzu Huseynzade

The picture is not displayed on the website. As I understand, it depicted most of the information used in the calculation, right? In other case, there are too many things to assume in this question.


How do you get to the 33 business seats in q1?