PayPal vs TCS Interview Questions
PayPal lists 105 LeetCode interview questions while TCS lists 228. They share 44 problems — 42% of PayPal's bank and 19% of TCS's. Focus on the overlap first, then drill into 61 PayPal-only and 184 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 44 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PayPal and TCS.
Step 2 — Company-specific depth: Add PayPal-specific problems like Minimum Absolute Difference, Count Vowel Strings in Ranges, Find Words That Can Be Formed by Characters and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: PayPal skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
44 Shared Questions
High-priority problems to practice for both PayPal and TCS.
| Problem | Difficulty |
|---|---|
| Zigzag Conversion | Medium |
| Longest Increasing Subsequence | Medium |
| LRU Cache | Medium |
| Number of Islands | Medium |
| Product of Array Except Self | Medium |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Search in Rotated Sorted Array | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Maximum Subarray | Medium |
| House Robber | Medium |
| Top K Frequent Elements | Medium |
| Longest Consecutive Sequence | Medium |
| Subarray Sum Equals K | Medium |
| Koko Eating Bananas | Medium |
| Spiral Matrix | Medium |
| Subsets | Medium |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Find First and Last Position of Element in Sorted Array | Medium |
| Sort Colors | Medium |
| Rotate Image | Medium |
| Median of Two Sorted Arrays | Hard |
| Happy Number | Easy |
| First Missing Positive | Hard |
| 3Sum | Medium |
| Binary Tree Maximum Path Sum | Hard |
Showing top 30 of 44 shared problems.
Unique to PayPal (61)
Problems in PayPal's list that do not appear at TCS.
Unique to TCS (184)
Problems in TCS's list that do not appear at PayPal.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Palindrome Number | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
| Rotate Array | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Reverse Integer | Medium |
| Contains Duplicate | Easy |
| Remove Letter To Equalize Frequency | Easy |
| Maximum Ascending Subarray Sum | Easy |
Frequently Asked Questions
How many LeetCode questions do PayPal and TCS share?
PayPal and TCS share 44 LeetCode interview questions. 61 problems appear only in PayPal's list and 184 appear only in TCS's list.
What topics overlap most between PayPal and TCS?
The most common shared topics between PayPal and TCS are Array (24 shared questions), Hash Table (9 shared questions), Dynamic Programming (6 shared questions), Binary Search (5 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PayPal or TCS?
PayPal has 19 Easy, 69 Medium, and 17 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. PayPal has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both PayPal and TCS?
Start with the 44 shared problems since they cover what both companies ask most often. Then add 20 PayPal-specific and 20 TCS-specific questions to round out your prep.