From reported experiences:

AmbitionBox +3 AmbitionBox +3 LeetCode +3

Coding / DSA: medium-difficulty algorithmic problems (strings, graphs, sliding window, etc.) LeetCode +2 AmbitionBox +2

Code review or debugging: you might be shown some code and asked what’s wrong/inefficient/how to fix or improve it. LeetCode +2 AmbitionBox +2

System or design questions: either “design a system / component” or sometimes redesign/optimize an existing design. Reddit +2 AmbitionBox +2

Behavioral questions: past experience, projects, decision making etc. Some interview rounds include discussing the resume/project in depth. GeeksforGeeks +2 AmbitionBox +2