1. Online Test (TCS National Qualifier Test / TCS NQT / TCS iON) Most freshers start with this. The online test usually has three sections: Quantitative Aptitude & Logical Reasoning Questions on arithmetic, algebra, probability, percentages, time & work, speed & distance. Logical reasoning includes puzzles, seating arrangements, coding-decoding, series, and patterns. Verbal Ability / English Grammar, vocabulary, sentence completion, synonyms/antonyms, reading comprehension. Programming / Coding (for IT roles) Basic programming questions (C, C++, Java, Python) Simple coding problems, e.g., array manipulation, string handling, recursion. Duration: Usually 1.5 – 2 hours. Passing score: Varies by role and year; clearing this moves you to the next round.