Deloitte vs PayPal Interview Questions
Deloitte lists 43 LeetCode interview questions while PayPal lists 105. They share 17 problems — 40% of Deloitte's bank and 16% of PayPal's. Focus on the overlap first, then drill into 26 Deloitte-only and 88 PayPal-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 Deloitte and PayPal.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Merge k Sorted Lists, Change Null Values in a Table to the Previous Value, Second Highest Salary and PayPal-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
17 Shared Questions
High-priority problems to practice for both Deloitte and PayPal.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Container With Most Water | Medium |
| Climbing Stairs | Easy |
| Merge Intervals | Medium |
| First Unique Character in a String | Easy |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Coin Change | Medium |
| Kth Largest Element in an Array | Medium |
| Longest Consecutive Sequence | Medium |
| Valid Anagram | Easy |
| Subarray Sum Equals K | Medium |
Unique to Deloitte (26)
Problems in Deloitte's list that do not appear at PayPal.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| Valid Palindrome | Easy |
| Add Binary | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Minimum Time to Repair Cars | Medium |
| Nth Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Remove K Digits | Medium |
Unique to PayPal (88)
Problems in PayPal's list that do not appear at Deloitte.
Frequently Asked Questions
How many LeetCode questions do Deloitte and PayPal share?
Deloitte and PayPal share 17 LeetCode interview questions. 26 problems appear only in Deloitte's list and 88 appear only in PayPal's list.
What topics overlap most between Deloitte and PayPal?
The most common shared topics between Deloitte and PayPal are Array (11 shared questions), Hash Table (7 shared questions), String (6 shared questions), Dynamic Programming (5 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or PayPal?
Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. PayPal has 19 Easy, 69 Medium, and 17 Hard questions. PayPal has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deloitte and PayPal?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 Deloitte-specific and 20 PayPal-specific questions to round out your prep.