Asked in companies, plus the generic important stuff
Start with topics software houses actually ask. Then cover generic important questions so a round does not catch you off guard.
Asked in companies
Ranked from real software-house rounds — coding, databases, and Node.js, with company logos where we have them.
Most Asked Coding Problems
High-frequency coding, DSA, OOP, and logic puzzles that keep showing up across software house interviews — ranked by how often companies ask them.
Most Asked Database Topics
High-frequency database concepts and SQL queries that keep showing up across software house interviews — ranked by how often companies ask them.
Most Asked Node.js Topics
High-frequency Node.js interview topics from software-house rounds — async patterns, the event loop, Express, and a few core internals to explain out loud.
Important topics have videos
Generic important questions
Core topics to revise even if they are not on a company sheet — MERN, internships, databases, and behavioral.
Pseudo interview
Pseudo-interview style questions grouped by Programming, OOP, Web, and Database.
DataBase important Topics
Must-know database topics — fundamentals, joins, advanced concepts, and tree modeling.
InternShips Interviews General
Internship interview Q&A — DBMS, Web Technologies, and OOP with short answers.
MERN Stack interview Questions
MERN topics grouped by Javascript, React, Node.js, OS, Database, Networking, OOP, and DSA.
Behavioral / General Questions
Common HR & behavioral questions with categories and answer tips from the General Questions sheet.
Resources
HR emails, apply links, and a last-revision technique — useful, but not a question list.