Questions › Technical PM › Top-Interview
Given a string of digits from 2 to 9 and the classic phone keypad mapping, return all possible letter combinations the number could represent.
- Technical PM
- Top-Interview
- Medium
- 30 min
Given a string of digits from 2 to 9 and the classic phone keypad mapping, return all possible letter combinations the number could represent.
What this question tests
- Technical PM
- Structured problem solving
- Communication
- Trade-off reasoning
Practise this question under interview conditions. Answer it out loud against a timer with an AI interviewer that asks follow-ups, then review the scored report.
Related Technical PM questions
- Given an array of integers and a number N, find the length of the longest contiguous subarray such that the difference between any two elements in the subarray is less than N.Top-Interview · Technical PM · Hard
- Given profiler samples from running code, find the slowest part in the code.Top-Interview · Technical PM · Hard
- Design and implement an in-memory key-value store that supports set, transactional begin, commit, and abort operations.Top-Interview · Technical PM · Hard
- Given a sequence of credit issuance and usage events, where credits may expire or have usage constraints, write a function to translate the list into the user’s remaining credit pool and total available credits.Top-Interview · Technical PM · Hard
- You have a technology that translates speech/text to animal language. How do you take this to market?Top-Interview · Technical PM · Hard
- How would you launch a product for the proactivity space in Gemini?Top-Interview · Technical PM · Hard
All Technical PM questions · Product manager interview questions by skill area