Root Cause Analysis (RCA) Interview Questions for Product Managers
A metric dropped. Why? Practise RCA cases the way interviewers expect: clarify, segment, form hypotheses and land on the most likely cause.
- A key product metric (DAU) suddenly drops by 5% (Easy)
- Sign-ups for your app are flat week-on-week (Easy)
- Website conversion rate (Visit -> Sign-up) has dipped slightly (Easy)
- Customer support tickets for “wrong item delivered” increased (Easy)
- Push notification click-through rate has declined recently (Easy)
- App store rating has dropped from 4.5 to 4.3 over a month (Easy)
- Payment success rate has decreased marginally (Easy)
- A newly launched feature shows lower-than-expected usage (Easy)
- Email open rates have dropped for your weekly newsletter (Easy)
- Average session duration is down, but retention is stable (Easy)
- Orders are down 15% WoW, but traffic is stable (Medium)
- Order cancellations up 20% within the 24h window (Medium)
- Digital wallet transactions dropped by 30% (Medium)
- Dating app DAU dropped 10% last month (Medium)
- Ride-hailing trip completion rate declined; bookings constant (Medium)
- Decrease in new banking app installations over last quarter (Medium)
- Add to Cart -> Purchase drop-off increased at payment step (Medium)
- SaaS churn increased for SMBs but not Enterprise (Medium)
- Escalations for "late delivery" up 15%. Is it ops or logistics? (Medium)
- Signup-to-KYC rate dropped after UI revamp (Medium)
- GMV is flat, but all health metrics are moving slightly (Hard)
- Digital bank: Active users, tx volume, and cross-sell all worsened (Hard)
- Major 2-hour downtime during peak. Full RCA required (Hard)
- Engagement dropped 15% after "improved" algo launch (Hard)
- Rising fraud, higher review load, and declining trust simultaneously (Hard)
- Driver churn, rider cancellation, and ETA complaints all spiked (Hard)
- SaaS expansion slowed, renewals down, usage depth down (Hard)
- Security breach exposed user data. RCA on technical & process failures (Hard)