Infosys interview questions and preparation
Prepare for Infosys with puzzles, logic, basic coding, CS fundamentals, and polished project discussion.
Infosys most asked questions
Curated from repeated interview reports and prep guides so you can practice the prompts most likely to return.
Screening and technical
- Explain your project clearly, including one improvement you would make next.
- What is RDBMS, and how is it different from a DBMS?
- What are the four pillars of OOP?
- What is normalization, and when would you use joins, procedures, or triggers?
- What is a pointer in C, and what is it used for?
- How would you solve a number series, cryptarithmetic, or logic puzzle under time pressure?
Project and HR
- Tell me about yourself.
- What is your area of interest, and which fundamentals support it?
- What latest technology do you know, and how quickly can you learn new ones?
- Why Infosys?
- Can you work under pressure and communicate well with a team?
Coding bank
Focused on the coding patterns that keep showing up across InfyTQ-style and HackWithInfy-style preparation.
High-frequency bank
- Solve matrix or board-style problems such as Four in a Line or pattern-detection questions.
- Prepare longest-substring-with-distinct-characters and similar sliding-window string problems.
- Practice recursion on trees, especially node counting, traversal, and simple structural checks.
- Keep one array-processing problem ready that needs both correctness and edge-case handling.
- Revise one medium problem combining string logic with counting or window constraints.
Stretch bank
- Practice substring-count problems such as exact-K distinct characters.
- Be ready for one DP or matrix-state problem in stronger Infosys tracks like HackWithInfy.
- Prepare one binary-tree or recursion question that you can explain without rushing.
- Keep one SQL-backed logic problem ready if your chosen InfyTQ track mixes coding and database concepts.
- For Specialist or Power Programmer style roles, add one medium-to-hard DSA problem beyond the normal fresher bank.
Aptitude and Puzzle Practice
Infosys can combine regular aptitude with puzzle-heavy logic.
High-Value Areas
- Puzzle-based questions, logical reasoning, data interpretation, number system, and probability.
- Chessboard squares and arrangement puzzles are also worth revising.
Coding and Technical Interview
Coding is usually basic, but technical answers should sound interview-ready.
Coding
- String reverse, pattern printing, array problems, and sorting.
Technical
- OS, DBMS, normalization, OOPS, and SDLC.
Project and HR
Infosys values clarity, humility, and a willingness to grow.
Project and HR
- Explain the project and what improvements you would make next.
- Prepare Why Infosys, strengths and weaknesses, career goals, and teamwork examples.