PM interview questions / Root Cause
UPI payment success rate in your app fell from 96% to 91%. Why?
Root Cause Hard 20 min mock PhonePePaytmRazorpay
How to approach it
- Before hypothesising, make sure the drop is real and well defined.
- Try cutting the drop by a few dimensions to see where it concentrates.
- Has anything changed on our side recently?
Practise it out loud
Run a 20-minute mock of this question with an AI interviewer. Ask clarifying questions, work through the case by voice or typing, and get a report that scores each part of your answer from what you said.