TCS vs Tekion Interview Questions
TCS lists 228 LeetCode interview questions while Tekion lists 23. They share 9 problems — 4% of TCS's bank and 39% of Tekion's. Focus on the overlap first, then drill into 219 TCS-only and 14 Tekion-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TCS and Tekion.
Step 2 — Company-specific depth: Add TCS-specific problems like Friday Purchases I, Longest Palindromic Substring, Palindrome Number and Tekion-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Tekion skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both TCS and Tekion.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Maximum Subarray | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| Trapping Rain Water | Hard |
| Subarray Product Less Than K | Medium |
| Rotting Oranges | Medium |
| Daily Temperatures | Medium |
| Word Ladder | Hard |
Unique to TCS (219)
Problems in TCS's list that do not appear at Tekion.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
Unique to Tekion (14)
Problems in Tekion's list that do not appear at TCS.
Frequently Asked Questions
How many LeetCode questions do TCS and Tekion share?
TCS and Tekion share 9 LeetCode interview questions. 219 problems appear only in TCS's list and 14 appear only in Tekion's list.
What topics overlap most between TCS and Tekion?
The most common shared topics between TCS and Tekion are Array (7 shared questions), Hash Table (3 shared questions), Dynamic Programming (2 shared questions), String (2 shared questions), Sliding Window (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TCS or Tekion?
TCS has 99 Easy, 108 Medium, and 21 Hard questions. Tekion has 1 Easy, 16 Medium, and 6 Hard questions. Tekion has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TCS and Tekion?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 TCS-specific and 14 Tekion-specific questions to round out your prep.