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Ola Interview Questions (24)

Coding problems reported from Ola interviews and online assessments.

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A private sheet of Ola's most asked problems with a two-week finish date.
Questions24
Easy5
Medium14
Hard5
Asked in 30 days24as of 16 Aug 2026
Asks mostArray 12Dynamic Programming 7String 7Hash Table 6Depth-First Search 5Breadth-First Search 4Math 4Two Pointers 4Binary Tree 3Tree 3
Most asked first
TitleSolutionAcceptDifficultyAsked
98. Validate Binary Search TreeVideo
Solution36.1%Medium
Last 30 days
124. Binary Tree Maximum Path SumVideo
Solution42.7%Hard
Last 30 days
863. All Nodes Distance K in Binary TreeVideo
Solution68.1%Medium
Last 30 days
Showing 1–3 of 3