The Infosys syllabus for the Systems Engineer test covers five scored areas. Below is the complete topic list compiled from recent memory-based papers — the same topics repeat drive after drive, so this list is effectively your preparation checklist.
Logical Reasoning (15 questions, 25 min)
- Cryptarithmetic (letter-arithmetic puzzles — an Infosys signature)
- Number series and missing terms
- Coding-decoding and letter–number analogies
- Seating arrangements (circular and linear) and ranking
- Mathematical operations and symbol substitution
- Syllogisms, data sufficiency, clocks & calendars
Mathematical Ability (10 questions, 35 min)
- Percentages, Profit & Loss, Simple & Compound Interest
- Ratio & Proportion, Mixtures & Alligation, Averages
- Time & Work, Speed–Time–Distance, Boats & Streams
- Problems on Ages, Number System
- Permutation & Combination, Probability
- Data Interpretation (tables, pie charts)
Verbal Ability (20 questions, 20 min)
- Error spotting and sentence correction
- Fill in the blanks (vocabulary in context)
- Synonyms, antonyms, idioms and one-word substitution
- Para jumbles and sentence rearrangement
- Active–passive voice and direct–indirect speech
- Reading comprehension
Pseudocode (5 questions, 10 min)
- Output prediction of C/C++-style snippets
- Loops, conditionals, recursion
- Operators, type conversion, format specifiers
- Basic data structures (arrays, strings) and Python basics
Puzzle Solving (4 questions, 10 min)
- Numerical grid and row-sum puzzles
- Pattern deduction and digit-sum puzzles
- Shape/boundary puzzles
Recent drives also add a short English grammar block and an email/essay writing task — see the Infosys Exam Pattern page for timings.


