Diagnose a drop in DAU
Last updated: November 13, 2025
Quick Overview
The engagement dropped by 15% this week. Walk through your investigation process.
Grubhub
November 13, 20253
5
3,410 solved
The engagement dropped by 15% this week. Walk through your investigation process.
Product questions at Grubhub test your ability to think like a product leader. This Take-home Project question evaluates how you balance user needs, business goals, and technical constraints when making product decisions.
What the Interviewer Expects
- Apply a structured framework for product thinking (user, problem, solution, metrics)
- Segment users and identify differentiated needs
- Prioritize features using a clear framework (RICE, ICE, impact vs effort)
- Define comprehensive success metrics across the user funnel
- Consider competitive dynamics and market positioning
Key Topics to Cover
How to Approach This
- Start with the user. Who are they, what problem do they have, and what is their current workaround?
- Use a prioritization framework: impact vs effort, RICE scoring, or ICE scoring.
- Define success metrics using the AARRR framework: Acquisition, Activation, Retention, Revenue, Referral.
- Consider second-order effects. A feature might boost short-term engagement but hurt long-term retention.
Possible Follow-up Questions
- How would you sequence the rollout across different user segments?
- How would you handle pushback from engineering on feasibility?
- How would you decide to kill this feature if it's not working?
- What competitive response would you expect and how would you prepare?
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Browse Product QuestionsSample Answer
Problem Framing
To diagnose the 15% drop in Daily Active Users (DAU) on Grubhub, we need to first understand the specific context and potential causes of this decline. The investigation will focus on the past week's ...
User & Market Context
Grubhub's primary users include busy professionals, families, and college students who value convenience in food delivery. What matters most to these users is the ease of navigating the app, the varie...
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