Practice problems across 75+ categories
Practice problems frequently asked at Uber • 31 problems | 10 Easy | 15 Medium | 6 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Best Position for a Service Centre | Hard | ArrayMathGeometry |
| 2 | Bikes Last Time Used | Easy | Database |
| 3 | Bus Routes | Hard | ArrayHash TableBreadth-First Search |
| 4 | Car Pooling | Medium | ArraySortingHeap (Priority Queue) |
| 5 | Change Data Type | Easy | Database |
| 6 | Create a New Column | Easy | Database |
| 7 | Debounce | Medium | JavaScript |
| 8 | Design Underground System | Medium | Hash TableStringDesign |
| 9 | Display the First Three Rows | Easy | Pandas |
| 10 | Encode and Decode Strings | Medium | ArrayStringDesign |
| 11 | Evaluate Division | Medium | ArrayStringDepth-First Search |
| 12 | Find Top Performing Driver | Medium | Database |
| 13 | Get the Size of a DataFrame | Easy | Pandas |
| 14 | Hopper Company Queries I | Hard | Database |
| 15 | Hopper Company Queries II | Hard | Database |
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