IBM interview practice

IBM interview questions and coding practice. Start with verified evidence.

Practice from 80 IBM-tagged public coding problems, organized only by the stage, topic, difficulty, and recency metadata FastPrep can verify. The broader public catalog also includes 1 project-coding exercise.

Catalog
81 public practice assets (80 coding)
Start here
Use the stage named in your invitation
Evidence
OA metadata, shown in context
IBM practice workspace
Stage-led · public FastPrep catalog

OA practice path

Online Assessment

Build a timed implementation rhythm from prompt to edge cases. Problems are ranked by repeated public catalog sightings.

Solve one end to end

80 IBM-tagged Online Assessment problems available.

CompanyProblemDifficultyPublic evidenceAction
IBIBM
Get Maximum AmountHeapGreedyMedium
6 public reportsLast reported Aug 2026
Practice
IBIBM
Minimum Replacements for Unequal Adjacent CharactersStringGreedyEasy
3 public reportsLast reported Aug 2026
Practice
IBIBM
Minimum Number of Non-Empty Disjoint SegmentsStringGreedyMedium
3 public reportsLast reported Aug 2026
Practice
IBIBM
Plus Mult ArrayArraySimulationEasy
2 public reportsLast reported Aug 2026
Practice
IBIBM
Expiring Authentication Token ManagerDesignHash TableMedium
2 public reportsLast reported Aug 2026
Practice
IBIBM
Maximum Requests in a Time WindowArraySliding WindowEasy
2 public reportsLast reported Aug 2026
Practice
IBIBM
Count Paginated Medical Records in a RangeArraySimulationEasy
2 public reportsLast reported Aug 2026
Practice
IBIBM
Count Digit HolesMathSimulationEasy
2 public reportsLast reported Aug 2026
Practice
IBIBM
Maximize Consecutive XORBit ManipulationMathMedium
2 public reportsLast reported Aug 2026
Practice
IBIBM
Request Retry CountArrayHash TableEasy
2 public reportsLast reported Jul 2026
Practice
IBIBM
Longest Balanced Binary SubarrayUnrated
2 public reportsLast reported Feb 2026
Practice
IBIBM
Drawing EdgeGraphCombinatoricsEasy
1 public reportLast reported Aug 2026
Practice
IBIBM
Increasing-Value Triplets Under a ThresholdArraySortingMedium
1 public reportLast reported Aug 2026
Practice
IBIBM
Count Invalid Log GroupsArrayStringEasy
1 public reportLast reported Aug 2026
Practice
IBIBM
Minimum Steps on a Circular Letter DialStringGreedyEasy
1 public reportLast reported Aug 2026
Practice
IBIBM
Minimum Deletions for Unequal Adjacent CharactersStringGreedyEasy
1 public reportLast reported Jul 2026
Practice
IBIBM
String-Pair Frequency SimilarityArrayStringEasy
1 public reportLast reported Jul 2026
Practice
IBIBM
Count Strictly Increasing Subsequences of Length 3ArrayDynamic ProgrammingMedium
1 public reportLast reported Jul 2026
Practice
IBIBM
Query Type Frequency WindowArrayHash TableMedium
1 public reportLast reported Jul 2026
Practice
IBIBM
Count Ideal NumbersMathEasy
1 public reportLast reported Jun 2026
Practice

01 · Stage workflow

Practice the stage you actually have next.

Treat the current IBM inventory as an assessment-first practice set: build timed implementation, testing, and edge-case review habits while following your own invitation for format rules. Your invitation and recruiter guidance remain the source of truth.

  1. 01

    Online Assessment

    Use the timing and format in your invitation as the source of truth. In practice, work without interruptions, budget time to read constraints, and reserve a final review window for boundary cases.

    • State the input, output, and complexity target before coding.
    • Implement one complete solution inside a fixed timebox.
    • Run small, duplicate, empty, and boundary cases before finishing.

02 · Broader technical practice

Practice beyond standalone coding questions.

These public IBM-tagged exercises cover additional technical formats. They are included only when a verified catalog record and a crawlable practice page both exist.

Project codingLast reported Aug 2026

Repair Event Listing Filters, Pagination, and Cache Invalidation

Repair an event-listing backend so filters and normalized pagination reach the repository, responses include complete page metadata, cached reads are reused, and event mutations never leave stale listings.

Open practice

03 · Evidence boundary

What “IBM interview questions” means here.

It means practicing transferable implementation, testing, and technical reasoning with public catalog assets FastPrep tags to IBM. It does not mean FastPrep has access to the company's assessments or any private interview bank.

Repeated public sightings and last-reported dates can help you prioritize practice, but they cannot predict the questions, format, or platform in a specific interview.

  • Only IBM-tagged FastPrep catalog problems appear above.
  • Stage labels and report dates remain visible as context.
  • No official, private, leaked, or proprietary questions are claimed.

04 · Plain answers

IBM interview practice questions, answered plainly.

This page owns technical-practice intent for IBM. Hiring activity, timelines, and market signals remain on the separate hiring-insights page.

01Does this page cover the IBM HackerRank assessment?

FastPrep currently has 70 IBM-tagged coding problems with an explicit HackerRank platform label. Other IBM assessment records have unknown or different platform metadata, so use your invitation—not this catalog—as the source of truth for the platform and rules.

02Is FastPrep affiliated with IBM?

No. FastPrep is an independent interview-preparation product and is not affiliated with IBM. The page uses FastPrep's public practice catalog and does not claim official, private, leaked, or proprietary employer questions.

03How are IBM problems assigned to interview stages?

Stage labels come from FastPrep's public problem metadata. A problem can carry more than one reported stage, and hiring processes can change by role, level, location, and date. Treat the labels as preparation context, not a guarantee.

04Which IBM interview stage should I practice first?

Start with the stage named in your invitation or recruiter message. If no stage is known, use the largest available set to build general problem-solving fluency, then rehearse explanation and testing separately.

05Does this page predict the IBM interview process?

No. Public catalog counts, stage tags, and last-reported dates can help prioritize practice, but they cannot predict a specific interview's questions, sequence, timing, or platform.

Your next stage, made concrete

Pick a problem. Solve it end to end.

Start with the stage named in your invitation, then use public evidence as context—not as a promise of what you will be asked.

Open the practice set