IBM vs Rippling Interview Questions
IBM lists 115 LeetCode interview questions while Rippling lists 23. They share 4 problems — 3% of IBM's bank and 17% of Rippling's. Focus on the overlap first, then drill into 111 IBM-only and 19 Rippling-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both IBM and Rippling.
Step 2 — Company-specific depth: Add IBM-specific problems like Find the Smallest Divisor Given a Threshold, Gray Code, 3Sum and Rippling-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Rippling skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both IBM and Rippling.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Median of Two Sorted Arrays | Hard |
| LRU Cache | Medium |
Unique to IBM (111)
Problems in IBM's list that do not appear at Rippling.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
Unique to Rippling (19)
Problems in Rippling's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Design Spreadsheet | Medium |
| Design Excel Sum Formula | Hard |
| Merge k Sorted Lists | Hard |
| Evaluate Division | Medium |
| Merge Two Sorted Lists | Easy |
| Number of Visible People in a Queue | Hard |
| Optimal Account Balancing | Hard |
| Maximize Amount After Two Days of Conversions | Medium |
| Maximum Xor Product | Medium |
| Accounts Merge | Medium |
| Synonymous Sentences | Medium |
| Last Stone Weight | Easy |
Frequently Asked Questions
How many LeetCode questions do IBM and Rippling share?
IBM and Rippling share 4 LeetCode interview questions. 111 problems appear only in IBM's list and 19 appear only in Rippling's list.
What topics overlap most between IBM and Rippling?
The most common shared topics between IBM and Rippling are Array (2 shared questions), Hash Table (2 shared questions), Sorting (1 shared questions), String (1 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: IBM or Rippling?
IBM has 33 Easy, 73 Medium, and 9 Hard questions. Rippling has 2 Easy, 13 Medium, and 8 Hard questions. Rippling has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both IBM and Rippling?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 IBM-specific and 19 Rippling-specific questions to round out your prep.