IBM

Online HackerRank test, had 3 questions: 1. Pattern Based 2. Math - Income Tax related question 3. SQL query These were medium-level questions; we had to solve them in 90 minutes.

It consisted of 3 rounds: coding, technical, and HR. The coding round had 2 problems (mostly medium) and some aptitude-based questions. The technical round had questions on DBMS, OS, and a few topics from data structures.

Online Assessment (OA): Medium-level coding problems: 1. LRU Cache implementation 2. String manipulation problem Technical Interview: 1. Discussion on core concepts of Operating Systems (OS) and Computer Networks (CN) 2. Easy-level Data Structures