Zoho interview questions

747 questions from 93 candidate reports · 2014 to 2025

Online test → Technical → System design → Technical → HR·89% entry level

DSA

Showing 31 of 460 reported in this area

Check whether a given string of parentheses is balanced

asked 5×easyPractice this →

Longest Substring Without Repeating Characters

asked 2×mediumPractice this →

Find the next greater element for each element in an array

asked 2×mediumPractice this →

Given an array and a window size k, print the maximum element in each sliding window

asked 2×mediumPractice this →

Best Time to Buy and Sell Stock

asked 2×easyPractice this →

Convert a binary number to hexadecimal

asked 2×easyPractice this →

Check whether a given string is a palindrome

asked 2×easyPractice this →

Reverse the order of words in a string using recursion.

asked 2×easyPractice this →

Given a column number, find its corresponding Excel column name

asked 2×easyPractice this →

Replace every element in an array with the greatest element on its right side.

asked 2×easyPractice this →

Sort List (Linked List)

asked oncemediumPractice this →

Top View of a Binary Tree

asked oncemediumPractice this →

Merge overlapping intervals

asked oncemediumPractice this →

Search in Rotated Sorted Array

asked oncemediumPractice this →

Find the diameter of a binary tree.

asked oncemediumPractice this →

Implement the flood fill algorithm.

asked oncemediumPractice this →

Evaluate an infix expression string.

asked oncemediumPractice this →

Print Pascal’s Triangle up to N rows

asked oncemediumPractice this →

Print a given matrix in spiral form.

asked oncemediumPractice this →

Sort elements based on number of factors

asked oncemediumPractice this →

Find a given word in a 2D grid of letters

asked oncemediumPractice this →

Find palindrome words in a given sentence

asked oncemediumPractice this →

Implement a Binary Search Tree (BST) in C.

asked oncemediumPractice this →

Reverse a linked list in groups of k nodes

asked oncemediumPractice this →

Search an element in a rotated sorted array

asked oncemediumPractice this →

Print the reporting tree of a given employee

asked oncemediumPractice this →

Find palindromic substrings in a given string

asked oncemediumPractice this →

Find the top 3 duplicate elements in an array

asked oncemediumPractice this →

Check whether a given number is a cyclic number

asked oncemediumPractice this →

Group anagrams together from a list of strings.

asked oncemediumPractice this →

Count the number of islands in a 2D binary grid.

asked oncemediumPractice this →

CS fundamentals

Showing 17 of 215 reported in this area

Predict the output of given C programs

asked 3×mediumPractice this →

Predict the output of C programs involving pointers, arrays, loops, and strings.

asked 2×easyPractice this →

Recursive function behavior in C

asked oncemediumPractice this →

Debugging questions in C and Java

asked oncemediumPractice this →

What is paging in operating systems?

asked oncemediumPractice this →

Explain multithreading concepts in Java.

asked oncemediumPractice this →

What is thrashing in an operating system?

asked oncemediumPractice this →

Explain tree and graph traversal techniques

asked oncemediumPractice this →

Predict the output of given C code snippets

asked oncemediumPractice this →

Explain how OAuth works and where it is used.

asked oncemediumPractice this →

How do you handle a node failure in Cassandra?

asked oncemediumPractice this →

Explain AWS IAM and its role in cloud security.

asked oncemediumPractice this →

Explain hashing techniques and their use cases.

asked oncemediumPractice this →

Explain how Garbage Collection works in Python.

asked oncemediumPractice this →

Explain techniques such as RESTful Web Services

asked oncemediumPractice this →

How do you delete a record in a Cassandra node?

asked oncemediumPractice this →

Explain how arrays work at the system level in C

asked oncemediumPractice this →

Aptitude

Showing 3 of 89 reported in this area

Solve logical reasoning puzzles (aptitude section).

asked 2×mediumPractice this →

Solve aptitude problems based on probability

asked oncemediumPractice this →

Solve aptitude problems based on time and speed

asked oncemediumPractice this →

System design

Showing 3 of 76 reported in this area

Implement a Redis cache in Java

asked oncemediumPractice this →

Assign lifts based on capacity constraints.

asked oncemediumPractice this →

Design and implement a Train Ticket Booking System.

asked oncemediumPractice this →

Puzzles

Showing 3 of 27 reported in this area

Solve the puzzle: 1, 7, 26, ?

asked oncemediumPractice this →

Solve logical puzzles given by the interviewer

asked oncemediumPractice this →

Solve logical puzzles to test problem-solving ability.

asked oncemediumPractice this →

Behavioural

Showing 3 of 14 reported in this area

Handle a mock customer call and defend a sales pitch.

asked oncemediumPractice this →

How would you add more features to an existing project?

asked oncemediumPractice this →

Conduct a product demo based on given product information.

asked oncemediumPractice this →

Showing 60 of 747 questions. Ranked by how often the same question came back across reports.

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Common questions

What questions does Zoho ask?

Candidate interview reports most often cover DSA (52%) and CS fundamentals (24%).

How many rounds does Zoho interview have?

Candidate interview reports show an average of 4.5 rounds per experience, with a typical sequence of Online test → Technical → System design → Technical → HR. Individual interview paths can vary.

Is the Zoho interview hard?

Among questions with a reported difficulty, the mix is easy 38%, medium 52%, hard 11%.

Zoho interview questions

DSA

CS fundamentals

Aptitude

System design

Puzzles

Behavioural

Practise a Zoho-style interview

Common questions

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