System design practice tests

3 System design practice tests on readyforhires (2 Advanced, 1 Intermediate): Design a URL shortener, Design a chat and messaging system, Design ride-hailing dispatch. Each is a timed test of 10 questions, marked in minutes.

• Design a URL shortener Intermediate · 10 questions · 85 min
• Design a chat and messaging system Advanced · 10 questions · 85 min
• Design ride-hailing dispatch Advanced · 10 questions · 85 min