Apple vs Paytm Interview Questions
Apple lists 300 LeetCode interview questions while Paytm lists 29. They share 14 problems — 5% of Apple's bank and 48% of Paytm's. Focus on the overlap first, then drill into 286 Apple-only and 15 Paytm-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Paytm.
Step 2 — Company-specific depth: Add Apple-specific problems like LRU Cache, Number of Islands, Merge Intervals and Paytm-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Apple skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
14 Shared Questions
High-priority problems to practice for both Apple and Paytm.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Reverse Linked List | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Min Stack | Medium |
| String Compression | Medium |
| Longest Consecutive Sequence | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Remove All Adjacent Duplicates In String | Easy |
| Search in Rotated Sorted Array | Medium |
| Search a 2D Matrix | Medium |
Unique to Apple (286)
Problems in Apple's list that do not appear at Paytm.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Valid Sudoku | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Product of Array Except Self | Medium |
Unique to Paytm (15)
Problems in Paytm's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Paytm share?
Apple and Paytm share 14 LeetCode interview questions. 286 problems appear only in Apple's list and 15 appear only in Paytm's list.
What topics overlap most between Apple and Paytm?
The most common shared topics between Apple and Paytm are Array (7 shared questions), String (5 shared questions), Stack (4 shared questions), Two Pointers (4 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Paytm?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Paytm has 7 Easy, 19 Medium, and 3 Hard questions. Apple has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Paytm?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 15 Paytm-specific questions to round out your prep.