Cognizant vs Zoho Interview Questions
Cognizant lists 29 LeetCode interview questions while Zoho lists 168. They share 17 problems — 59% of Cognizant's bank and 10% of Zoho's. Focus on the overlap first, then drill into 12 Cognizant-only and 151 Zoho-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cognizant and Zoho.
Step 2 — Company-specific depth: Add Cognizant-specific problems like Count Subarrays of Length Three With a Condition, Smallest Value of the Rearranged Number, Fibonacci Number and Zoho-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zoho skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both Cognizant and Zoho.
| Problem | Difficulty |
|---|---|
| Palindrome Number | Easy |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Longest Common Prefix | Easy |
| Maximum Subarray | Medium |
| Valid Parentheses | Easy |
| Median of Two Sorted Arrays | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Merge Sorted Array | Easy |
| 3Sum | Medium |
| Happy Number | Easy |
| Move Zeroes | Easy |
| Merge Two Sorted Lists | Easy |
| Add Two Numbers | Medium |
| Search Insert Position | Easy |
Unique to Cognizant (12)
Problems in Cognizant's list that do not appear at Zoho.
| Problem | Difficulty |
|---|---|
| Count Subarrays of Length Three With a Condition | Easy |
| Smallest Value of the Rearranged Number | Medium |
| Fibonacci Number | Easy |
| Second Highest Salary | Medium |
| Managers with at Least 5 Direct Reports | Medium |
| Reverse Integer | Medium |
| Product Sales Analysis I | Easy |
| Count Primes | Medium |
| Binary Search | Easy |
| Fizz Buzz | Easy |
| Rising Temperature | Easy |
| Students and Examinations | Easy |
Unique to Zoho (151)
Problems in Zoho's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Decode String | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Merge Intervals | Medium |
| Climbing Stairs | Easy |
| Group Anagrams | Medium |
| Trapping Rain Water | Hard |
| Compare Version Numbers | Medium |
| Sort Even and Odd Indices Independently | Easy |
| Daily Temperatures | Medium |
| Number of Islands | Medium |
| Largest Number | Medium |
Frequently Asked Questions
How many LeetCode questions do Cognizant and Zoho share?
Cognizant and Zoho share 17 LeetCode interview questions. 12 problems appear only in Cognizant's list and 151 appear only in Zoho's list.
What topics overlap most between Cognizant and Zoho?
The most common shared topics between Cognizant and Zoho are Array (8 shared questions), Two Pointers (6 shared questions), String (5 shared questions), Hash Table (4 shared questions), Math (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Zoho?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Zoho has 54 Easy, 94 Medium, and 20 Hard questions. Zoho has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Zoho?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 12 Cognizant-specific and 20 Zoho-specific questions to round out your prep.