Question bank
IBM Question Bank
Browse curated IBM interview questions, answer frameworks, and structured metadata organized by role, difficulty, and question type.
Question bank
Latest IBM interview questions
Feb 19, 2025
How can you implement an algorithm to count the number of arithmetic slices in an array?
MediumCodingSoftware EngineerIBM
Feb 19, 2025
What is regularization in machine learning, and why is it important for model performance?
MediumTechnicalData ScientistMicrosoft
Feb 19, 2025
What is the difference between precision and recall in data analysis?
MediumTechnicalData AnalystGoogle
Feb 18, 2025
How would you implement an algorithm to compute the edit distance between two strings?
HardCodingSoftware EngineerGoogle
Feb 17, 2025
What steps would you take to implement an effective distributed logging system?
HardTechnicalDevOps EngineerMicrosoft
Feb 17, 2025
How would you design and implement a load balancer for a distributed system?
HardTechnicalSystems ArchitectIBM
Feb 16, 2025
How do you ensure data security in a distributed system?
HardHypotheticalData EngineerMeta
Feb 16, 2025
How would you implement an algorithm to determine the minimum time required to complete all given jobs?
MediumAlgorithmSoftware EngineerIBM
Feb 15, 2025
How would you implement an algorithm to find the smallest number that is divisible by all integers from 1 to n?
HardCodingSoftware EngineerIBM
Feb 15, 2025
Can you write code to implement a trie data structure in your preferred programming language?
HardCodingSoftware EngineerIBM
Feb 14, 2025
What are the key differences between bagging and boosting in ensemble learning?
MediumTechnicalData ScientistGoogle
Feb 14, 2025
How would you implement a distributed cache invalidation strategy?
HardTechnicalSoftware EngineerIBM
Feb 14, 2025
How do you implement a function to perform a postorder traversal of a binary tree?
MediumCodingSoftware EngineerGoogle
Feb 13, 2025
How do you write a function to check if one string is a permutation of another string?
MediumCodingSoftware EngineerIntel
Feb 13, 2025
What is a race condition, and how can it be prevented in software development?
MediumTechnicalSoftware EngineerApple
Feb 11, 2025
How would you write a function to calculate the total number of ways to reach the nth step in a staircase?
MediumCodingSoftware EngineerNetflix
Feb 11, 2025
What is the significance of the learning rate in training machine learning models?
MediumTechnicalMachine Learning EngineerAmazon
Feb 11, 2025
What is a distributed publish/subscribe (pub/sub) system, and how does it work?
MediumTechnicalSoftware EngineerIBM
Feb 10, 2025
How do you find the kth smallest element in a binary search tree?
MediumTechnicalSoftware EngineerIntel
Feb 10, 2025
How would you implement an algorithm to identify the largest Binary Search Tree (BST) subtree within a given binary tree?
HardAlgorithmSoftware EngineerApple
Feb 9, 2025
What is a distributed batch processing system, and how does it function?
MediumTechnicalData EngineerTesla
Feb 9, 2025
What methods can you use to detect cycles in a directed graph?
HardTechnicalData ScientistIntel