one liner case interview Case Interview Questions & Answers

How Many Miles of Road Are There in the United States?

Case Type: estimate or guesstimate.
Consulting Firm: Oliver Wyman first round job interview.
Industry Coverage: transportation.

Case Interview Question #00498: How many miles of road are there in the United States?

Possible Answer:

This is one of the classical estimation or guesstimate type of cases that requires some creative approximation as well as common sense. Note that the solution presented below is only one… Read the rest

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What Are Different Ways to Travel from NYC to Boston?

Case Type: industry analysis.
Consulting Firm: Hay Group first round job interview.
Industry Coverage: transportation.

Case Interview Question #00301: What are the different ways you can travel from New York City, New York to Boston, Massachusetts?

Possible Answers:

A typical answer for this question would be:
You can take the train, or fly by the airplane, or drive a car, or take a… Read the rest

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What is US Annual Market Size for Car Tires?

Case Type: market sizing; new business.
Consulting Firm: Samsung Global Strategy Group (GSG) first round job interview.
Industry Coverage: chemical industry; automotive, motor vehicles.

Case Interview Question #00300: A friend of yours wanted to start his own business. His start-up idea was to open up a new car tire manufacturer in the US despite there being another 7 major players in the… Read the rest

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How Many Spikes Are on the Back of a Hedgehog?

Case Type: estimate/guesstimate; math problem.
Consulting Firm: Oliver Wyman 2nd round job interview.
Industry Coverage: Agriculture, Farming & Aquaculture.

Case Interview Question #00292: How many spikes are there on the back of a hedgehog?

Possible Answer:

Answering this estimation/guesstimate type of case questions requires answering a number of sub-questions (SQ). To estimate the number of spikes on the back of a hedgehog, the… Read the rest

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How Many Songs Are Stored on iPods in the UK?

Case Type: estimate/guesstimate.
Consulting Firm: Oliver Wyman first round job interview.
Industry Coverage: entertainment; electronics.

Case Interview Question #00290: How many songs are stored on iPods in the United Kingdom (UK)?

Possible Answer:

A guesstimate/estimation case question should be solved by posing and answering a number of sub-questions (SQ). To estimate how many songs that are stored on iPods in the UK, the… Read the rest

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