Case studies & guesstimates
Practise structuring open-ended problems and explaining your thinking. Write your answer in a private notepad, then compare it with a sample approach.
6 prompts
Case studyMedium
Weekly active users dropped 12%
A note-taking app’s weekly active users fell for two weeks. Where do you look first?
Product analytics
Case studyEasy
Rising order cancellations
An online grocery store sees more cancelled orders. Is it a customer, supply or delivery problem?
Operations and metrics
Case studyHard
Should a food-delivery app launch a subscription?
Decide whether a free-delivery subscription would make or lose money, and how you would test it.
Business and pricing
GuesstimateEasy
Cups of tea sold per day in a large city
Estimate daily tea consumption outside the home using a simple population-based approach.
Market sizing
GuesstimateMedium
Ride-hailing trips per day in a metro city
Estimate daily app-based cab and auto trips using supply and demand angles.
Demand estimation
GuesstimateHard
EV charging points needed for a city
Work out how many public charging points a city needs when 5% of cars are electric.
Capacity planning