Tata Elxsi Analytical and Logical Questions: 2026 Pattern

Tata Elxsi’s campus aptitude test covers logical reasoning, quantitative aptitude, and verbal ability in a single online session lasting around 60 to 90 minutes.

This guide covers the analytical and logical reasoning section in detail: question types, worked examples (re-derived from first principles), and a focused preparation approach. The eligibility and application process are listed at Tata Elxsi’s careers page.

Tata Elxsi recruitment: where the aptitude test fits

Tata Elxsi is a technology design and innovation company, part of the Tata Group, with a focus on product engineering, embedded systems, digital services, and visual design. Their fresher hiring follows a three-stage process:

Stage	Format
Online Aptitude Test	Quantitative Aptitude, Logical Reasoning, Verbal Ability
Technical Interview	Domain knowledge: embedded systems, software, digital design
HR Interview	Communication, cultural fit, career goals

The aptitude test is the filter round. A score below the cutoff ends the process before the technical interview. The test is broadly similar in structure to the campus placement evaluation test format used by many mid-sized technology companies: sections timed independently, no negative marking in most documented drives.

For comparison, Cisco’s campus online test follows a comparable aptitude-plus-technical structure with the technical MCQ embedded in the same sitting. Tata Elxsi keeps the technical assessment in a separate interview round, which means the aptitude test is purely reasoning-focused.

Syllogism and coding-decoding questions

Syllogism

Syllogism questions give two or three premises and ask whether a stated conclusion follows logically. The correct approach: draw a rough Venn diagram for each premise before evaluating the conclusion. Don’t rely on intuition about whether a conclusion “sounds right.”

Structure:

• Premise 1: All engineers are graduates.
• Premise 2: No graduates are unskilled.
• Conclusion to evaluate: No engineers are unskilled.

Working:

• Step 1: All engineers fall inside the “graduates” circle.
• Step 2: The “graduates” circle has zero overlap with “unskilled.”
• Step 3: Because all engineers are graduates, and graduates have no overlap with unskilled, engineers also have zero overlap with unskilled.
• Answer: The conclusion is VALID.

Harder example with “some”:

• Premise 1: All doctors are professionals.
• Premise 2: Some professionals are researchers.
• Conclusion to evaluate: Some doctors are researchers.

Working:

• Step 1: All doctors sit inside the “professionals” set.
• Step 2: Some professionals are researchers — but these “some professionals” may or may not overlap with the doctors subset.
• Step 3: No forced overlap between doctors and researchers can be established.
• Answer: The conclusion is NOT VALID (cannot be determined from the given premises).

Coding-decoding

These questions assign a rule to encode words and ask you to apply the same rule to another word.

Example:

• If CAT is coded as FDW (each letter shifted forward by 3 positions), what is the code for DOG?

Working:

• D + 3 = G
• O + 3 = R
• G + 3 = J
• Answer: GRJ

Shift-based and position-based encodings are the two most frequent variants. Check whether the shift applies uniformly to all letters or alternates (odd vs. even positions shift differently).

Seating arrangement and blood relations

Seating arrangement

The most common variant in Tata Elxsi drives is the linear arrangement: six or seven people in a row with a set of conditional constraints.

Example: Six students A, B, C, D, E, F sit in a row.

• B sits third from the left.
• A sits immediately to the right of B.
• C sits immediately to the left of B.
• D sits at the leftmost position.

Working:

• Step 1: B is at position 3. A is at 4. C is at 2.
• Step 2: D is at position 1.
• Step 3: Positions 5 and 6 are occupied by E and F (order not determined by the given clues).
• Arrangement: D, C, B, A, {E/F}, {F/E}
• Answer to “Where does C sit?”: Second from the left.

In the exam, one row of clues typically yields four or five sub-questions, so solving the full arrangement first is faster than solving each sub-question independently.

Blood relations

These questions map family relationships through a chain of steps.

Example: P’s mother’s only brother’s daughter is Q. What is Q to P?

Working:

• Step 1: P’s mother’s only brother = P’s maternal uncle.
• Step 2: Maternal uncle’s daughter = P’s first cousin (maternal side).
• Answer: Q is P’s first cousin.

Two common traps: “son’s wife” versus “daughter-in-law” (same relationship) and using “sibling’s child” when “nephew/niece” is expected. Work through each link in the chain explicitly rather than combining steps mentally.

Cubes, dice, and Venn diagrams

Cubes and paint

Example: A cube of side 3 units is painted red on all six faces and then cut into 27 unit cubes of side 1 unit. How many unit cubes have exactly 2 faces painted?

Working:

• Corner cubes (8 total): exactly 3 faces painted.
• Edge-middle cubes: each edge of a 3-unit cube has 1 cube that is not a corner. There are 12 edges, so 12 cubes have exactly 2 faces painted.
• Face-centre cubes: each face has 1 centre cube. 6 faces, so 6 cubes have exactly 1 face painted.
• Internal cube: 1 cube with 0 faces painted.
• Answer: 12 cubes have exactly 2 faces painted.

Dice

Example: In a standard dice where opposite faces sum to 7: if 1 is on top and 2 faces you, which number is at the bottom?

Working:

• Standard dice rule: opposite-face pairs are 1-6, 2-5, 3-4.
• 1 is on top, so 6 is at the bottom.
• Answer: 6.

For non-standard dice problems (where the numbering is shown in a net diagram), apply the net-folding method: identify which faces come together when folded and derive the opposite pairs before answering.

Venn diagrams

Example: In a batch of 80 students, 50 study Mathematics, 40 study Physics, and 25 study both. How many study neither?

Working:

• Step 1: Students studying at least one subject = 50 + 40 - 25 = 65.
• Step 2: Students studying neither = 80 - 65 = 15.
• Answer: 15 students study neither subject.

The classic error is double-counting students in both subjects. Always subtract the intersection once when applying the union formula.

How to prepare for the analytical section

Specific steps that address Tata Elxsi’s documented question mix:

• Syllogisms: solve 20 questions a day for one week using Venn diagram sketches. Speed comes from making the sketch automatic, not from reasoning faster without it.
• Seating arrangement: time yourself on 6-person linear sets. The target is to solve the full arrangement in under 4 minutes before attempting the sub-questions.
• Cubes and paint: memorise the four formulas for a 3×3×3 cube (3 faces: 8, 2 faces: 12, 1 face: 6, 0 faces: 1) and verify them once by counting. Then apply the same logic to 4×4×4 for practice.
• Venn diagrams: work through 2-set and 3-set problems until the union formula is instinctive. IndiaBix’s Logical Reasoning section has several hundred free questions sorted by topic — use it for bulk repetition.
• Blood relations: sketch the family tree rather than holding it in memory. A 30-second sketch prevents errors on longer chains.

ZS Associates’ aptitude test is heavier on data interpretation and quantitative reasoning. If you’re targeting multiple drives, building the logical reasoning foundation first transfers cleanly to both.

The same step-by-step decomposition you use here (break the cube into corner/edge/face/centre types, eliminate invalid seating arrangements one constraint at a time) is the core of structured problem-solving in AI systems as well. TinkerLLM lets you apply that same method to real prompting challenges at ₹299, which is a low-stakes way to test whether the skill transfers beyond placement prep.