Feb 2, 2025
What techniques can be used to address imbalanced datasets in machine learning?
MediumTechnicalData ScientistGoogle
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 2, 2025
Describe an effective method to solve the word ladder problem in programming
HardCodingSoftware EngineerTesla
Feb 1, 2025
What is a decision tree and how does it function in data analysis?
MediumTechnicalData AnalystGoogle
Feb 1, 2025
How do you perform a union-find operation in a disjoint-set data structure?
MediumTechnicalSoftware EngineerIBM
Feb 1, 2025
How can you write a function to calculate the minimum cost of merging stones?
HardCodingSoftware EngineerMeta
Feb 1, 2025
How would you implement an algorithm to efficiently solve the word search problem in a grid?
MediumCodingSoftware EngineerIBM
Feb 1, 2025
How do you implement an algorithm to count the trailing zeros in the factorial of a given number?
MediumCodingSoftware EngineerIBM
Feb 1, 2025
How would you implement an algorithm to find the maximum sum of a subarray, allowing for up to k deletions?
HardCodingSoftware EngineerIBM
Feb 1, 2025
How do you create a binary search tree from a sorted array?
MediumTechnicalSoftware EngineerIBM
Jan 31, 2025
How would you implement an algorithm to count the number of palindromic substrings in a given string?
MediumCodingSoftware EngineerIBM
Jan 31, 2025
How do you implement a function to determine if a given number is a power of two?
EasyCodingSoftware EngineerGoogle
Jan 30, 2025
How would you implement an algorithm to transform a binary search tree into a greater tree?
MediumTechnicalSoftware EngineerAmazon
Jan 30, 2025
How many bits need to be flipped to convert integer A to integer B?
MediumCodingSoftware EngineerNetflix
Jan 30, 2025
What are the key differences between generative and discriminative models in machine learning?
MediumTechnicalMachine Learning EngineerGoogle
Jan 29, 2025
How would you approach designing a recommendation system for an e-commerce platform?
HardCaseData ScientistIBM
Jan 29, 2025
What is a confusion matrix, and how is it used in evaluating the performance of a classification model?
EasyTechnicalData ScientistGoogle
Jan 29, 2025
How can you create a method to generate all permutations of a given string?
MediumCodingSoftware EngineerIBM
Jan 29, 2025
Write a function to calculate the path sum in a binary tree
MediumCodingSoftware EngineerIBM
Jan 29, 2025
What criteria do you use to identify key data for analysis?
MediumBehavioralData AnalystGoogle
Jan 29, 2025
How would you write a function to find all paths in a binary tree that equal a specified sum?
HardCodingSoftware EngineerIBM
Jan 29, 2025
How would you design a system for real-time data transformation?
HardTechnicalData EngineerIBM