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168+ Zoho questions

Zoho interview questions and how to prepare

The questions candidates report from Zoho interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in Zoho's interview style.

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ZorixOS tracks 168 community-reported Zoho interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 78 original ZorixOS practice questions written in Zoho's known interview style (not claimed as asked at Zoho), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to Zoho.

Updated July 2026

Zoho interview questions candidates report

Community-reported from real Zoho interviews (open-source dataset), most-asked first. Showing 60 of 168. Each links to its source.

  1. Angle Between Hands of a Clock
    Math
    Medium100% asked
  2. Longest Substring Without Repeating Characters
    Hash TableStringSliding Window
    Medium100% asked
  3. Spiral Matrix
    ArrayMatrixSimulation
    Medium100% asked
  4. Decode String
    StringStackRecursion
    Medium95% asked
  5. Best Time to Buy and Sell Stock
    ArrayDynamic Programming
    Easy89% asked
  6. Valid Parentheses
    StringStack
    Easy88% asked
  7. Merge Intervals
    ArraySorting
    Medium87% asked
  8. Longest Palindromic Substring
    Two PointersStringDynamic Programming
    Medium85% asked
  9. Two Sum
    ArrayHash Table
    Easy84% asked
  10. Trapping Rain Water
    ArrayTwo PointersDynamic ProgrammingStack
    Hard83% asked
  11. Climbing Stairs
    MathDynamic ProgrammingMemoization
    Easy82% asked
  12. Group Anagrams
    ArrayHash TableStringSorting
    Medium82% asked
  13. Compare Version Numbers
    Two PointersString
    Medium79% asked
  14. Sort Even and Odd Indices Independently
    ArraySorting
    Easy79% asked
  15. Largest Number
    ArrayStringGreedySorting
    Medium77% asked
  16. Number of Islands
    ArrayDepth-First SearchBreadth-First SearchUnion-Find
    Medium77% asked
  17. Daily Temperatures
    ArrayStackMonotonic Stack
    Medium77% asked
  18. Find Winner on a Tic Tac Toe Game
    ArrayHash TableMatrixSimulation
    Easy77% asked
  19. Generate Parentheses
    StringDynamic ProgrammingBacktracking
    Medium77% asked
  20. Rotate Image
    ArrayMathMatrix
    Medium75% asked
  21. Wildcard Matching
    StringDynamic ProgrammingGreedyRecursion
    Hard75% asked
  22. Zigzag Conversion
    String
    Medium75% asked
  23. Container With Most Water
    ArrayTwo PointersGreedy
    Medium75% asked
  24. Distinct Subsequences
    StringDynamic Programming
    Hard75% asked
  25. Partitioning Into Minimum Number Of Deci-Binary Numbers
    StringGreedy
    Medium75% asked
  26. Sqrt(x)
    MathBinary Search
    Easy73% asked
  27. Remove All Occurrences of a Substring
    StringStackSimulation
    Medium73% asked
  28. Count Monobit Integers
    Bit ManipulationEnumeration
    Easy70% asked
  29. Regular Expression Matching
    StringDynamic ProgrammingRecursion
    Hard70% asked
  30. Longest Common Prefix
    ArrayStringTrie
    Easy68% asked
  31. Longest Valid Parentheses
    StringDynamic ProgrammingStack
    Hard68% asked
  32. Merge Close Characters
    Hash TableString
    Medium68% asked
  33. Basic Calculator II
    MathStringStack
    Medium65% asked
  34. Roman to Integer
    Hash TableMathString
    Easy65% asked
  35. Rotting Oranges
    ArrayBreadth-First SearchMatrix
    Medium65% asked
  36. Move Zeroes
    ArrayTwo Pointers
    Easy65% asked
  37. Search in Rotated Sorted Array
    ArrayBinary Search
    Medium65% asked
  38. Edit Distance
    StringDynamic Programming
    Medium62% asked
  39. Jump Game II
    ArrayDynamic ProgrammingGreedy
    Medium62% asked
  40. Letter Combinations of a Phone Number
    Hash TableStringBacktracking
    Medium62% asked
  41. Merge Sorted Array
    ArrayTwo PointersSorting
    Easy62% asked
  42. Non-overlapping Intervals
    ArrayDynamic ProgrammingGreedySorting
    Medium62% asked
  43. Valid Sudoku
    ArrayHash TableMatrix
    Medium62% asked
  44. Excel Sheet Column Number
    MathString
    Easy57% asked
  45. Island Perimeter
    ArrayDepth-First SearchBreadth-First SearchMatrix
    Easy57% asked
  46. Jump Game
    ArrayDynamic ProgrammingGreedy
    Medium57% asked
  47. Product of Array Except Self
    ArrayPrefix Sum
    Medium57% asked
  48. Replace Elements with Greatest Element on Right Side
    Array
    Easy57% asked
  49. Single Element in a Sorted Array
    ArrayBinary Search
    Medium57% asked
  50. 3Sum
    ArrayTwo PointersSorting
    Medium57% asked
  51. Add Two Numbers
    Linked ListMathRecursion
    Medium57% asked
  52. Maximum Subarray
    ArrayDivide and ConquerDynamic Programming
    Medium57% asked
  53. Subarray Sum Equals K
    ArrayHash TablePrefix Sum
    Medium57% asked
  54. 3Sum Closest
    ArrayTwo PointersSorting
    Medium52% asked
  55. Dungeon Game
    ArrayDynamic ProgrammingMatrix
    Hard52% asked
  56. Find the Index of the First Occurrence in a String
    Two PointersStringString Matching
    Easy52% asked
  57. Gas Station
    ArrayGreedy
    Medium52% asked
  58. Isomorphic Strings
    Hash TableString
    Easy52% asked
  59. Merge Two Sorted Lists
    Linked ListRecursion
    Easy52% asked
  60. Multiply Strings
    MathStringSimulation
    Medium52% asked

These are the 60 most-reported of 168 tracked Zoho questions. Create a free account to drill the full set with solutions and an AI interviewer.

Practice questions in Zoho's style

Original ZorixOS questions written the way Zoho interviews, so you rehearse the real format. Not claimed as asked at Zoho.

  1. Imagine you are tasked with optimizing the performance of Zoho CRM's email integration module, which handles millions of emails daily across various providers. Describe a systematic approach to identify and resolve performance bottlenecks, considering potential issues like API rate limits, inefficient data fetching, and parsing complexities.

    Software EngineerSystem DesignTests: Evaluates the candidate's ability to design scalable and performant systems for a high-traffic application, considering real-world integration challenges.

  2. Zoho Projects allows for task dependencies and Gantt charts. If a user reports that the Gantt chart rendering is slow for projects with over 1000 tasks and complex dependencies, how would you debug and optimize this, considering both frontend rendering and backend data retrieval?

    Software EngineerDebuggingTests: Assesses debugging skills in identifying performance issues in complex UIs and data structures.

  3. Zoho Books handles financial transactions. If there's a sudden increase in latency for invoice generation, what are the first few things you'd investigate in the codebase and infrastructure? Assume no major code deployments recently.

    Software EngineerDebuggingTests: Tests the candidate's systematic approach to troubleshooting production issues in a critical financial application.

  4. Design a distributed caching layer for Zoho Analytics to serve frequently accessed reports and dashboards to a large user base. Discuss trade-offs between consistency, availability, and latency.

    Software EngineerSystem DesignTests: Probes understanding of distributed systems, caching strategies, and performance optimization at scale.

  5. Zoho Desk deals with customer support tickets. If a new feature allowing AI-powered ticket summarization is being developed, and the AI model needs to process historical ticket data, how would you design the data pipeline to ensure efficiency and accuracy while handling potentially terabytes of data?

    Software EngineerSystem DesignTests: Evaluates design skills for data-intensive applications, focusing on scalability and AI integration.

  6. Consider Zoho Meeting. If users are experiencing intermittent audio/video dropouts during calls with more than 50 participants, what are potential root causes and how would you approach diagnosing them, from network issues to application logic?

    Software EngineerDebuggingTests: Assesses problem-solving skills for real-time communication systems and distributed environments.

72+ more Zoho-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

Keep exploring

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Zoho Interview Questions (2026) | ZorixOS