Atos Placement Papers 2026: Test Pattern and Worked Questions

The Atos online test runs 75 questions in 75 minutes with negative marking, and one well-circulated answer in placement study materials is arithmetically wrong. Verified worked solutions matter more than raw question dumps.

Atos and its India footprint

Atos is a European IT services company headquartered in Bezons, France. Its India operations span delivery centres in Pune, Chennai, Hyderabad, and Bengaluru, covering managed services, application development, cloud infrastructure, and digital transformation work. Recruitment for CSE and IT freshers runs through campus drives at engineering colleges across these cities.

A note on naming: Atos completed a major restructuring in 2023, spinning off its digital and security business as Eviden, while the IT infrastructure and managed services business continued under the Atos brand. Campus placements in India run under both entities depending on the role. Check your offer letter or campus announcement for which legal entity is hiring. The Atos careers page covers both hiring streams.

Atos online test: format and marking

Parameter	Detail
Total questions	75
Time limit	75 minutes
Correct answer	+1 mark
Wrong answer	-0.5 marks
Blank / skipped	0 marks
Sectional cutoff	None
Difficulty	Easy to moderate
LR question average time	60 to 90 seconds each

The time math works out to 1 minute per question on average. Logical Reasoning questions typically take longer, so students who clear Verbal Ability quickly gain headroom for LR. There is no sectional timer, so you can sequence sections to suit your strengths.

The negative marking changes prep strategy. A selective approach outperforms a high-volume one:

• Student A attempts 60 questions with 80% accuracy: 48 correct, 12 wrong. Score = 48 - (0.5 x 12) = 42 marks.
• Student B attempts 75 questions with 68% accuracy: 51 correct, 24 wrong. Score = 51 - (0.5 x 24) = 39 marks.
• Student A scores 3 marks higher despite attempting 15 fewer questions.

This structure is similar to what you will find in the EY placement papers format, except EY does not use negative marking. Atos’s -0.5 scheme is stricter.

Section-wise syllabus

Quantitative Aptitude

Topics that appear consistently in Atos campus drives:

• Percentages and its applications (profit/loss, discount)
• Ratio, proportion, and mixture problems
• Time, speed, and distance
• Time and work
• Simple and compound interest
• Number systems and divisibility
• Geometry: area, volume (spheres, cylinders, cuboids)
• Algebra: linear equations, quadratic patterns

The mixture and volume questions carry calculation weight. Students who can set up equations quickly (as in the seawater and sphere problems in the worked section below) clear this section faster.

Verbal Ability

• Reading comprehension (1 to 2 passages)
• Sentence completion and fill-in-the-blanks
• Synonyms and antonyms
• Para-jumbles and paragraph completion
• Vocabulary in context

Verbal ability in Atos tests skews toward comprehension over grammar rules. Reading 2 to 3 articles a day in the week before the test is a more efficient use of time than memorising word lists.

Logical Reasoning

• Number and letter series
• Coding-decoding
• Blood relations and seating arrangements
• Data interpretation (tables, bar charts, pie charts)
• Puzzles

Data interpretation tables and number series appear in almost every reported Atos test. These are the safest topics to drill first since they reward pattern recognition over deep formula knowledge.

Worked sample questions (with verified answers)

All five questions below are derived from reported Atos placement papers. Every answer has been re-derived from first principles. Q1 was incorrect in the widely-shared source; the corrected derivation is below.

Q1: Logarithm of a GP

Question: If p, q, and r are in GP, which sequence do logp, logq, and logr form?

Options: A) AP, B) HP, C) GP, D) AGP

• Step 1: GP condition means q squared = p x r (by definition of geometric progression).
• Step 2: Take log of both sides: 2 log q = log p + log r.
• Step 3: Rearranging: log q - log p = log r - log q.
• Step 4: Equal consecutive differences = Arithmetic Progression.

Correct answer: A) AP

The HP option (B) appears as the answer in several circulated study materials. That answer is wrong. The derivation above shows the consecutive differences are equal, which is the definition of AP. HP would require 1/logp, 1/logq, 1/logr to be in AP. There is no basis for that here.

Q2: Letter series

Question: JLN : SQO, then PRT : ?

Options: A) YWU, B) UTV, C) VUT, D) UYW

• Step 1: J=10, L=12, N=14 (positions in alphabet, going up by 2).
• Step 2: S=19, Q=17, O=15 (positions going down by 2).
• Step 3: Differences: J to S = +9; L to Q = +5; N to O = +1. Each step reduces by 4.
• Step 4: P=16, R=18, T=20. Apply same diffs: P+9=25=Y; R+5=23=W; T+1=21=U.

Correct answer: A) YWU

Q3: Number series

Question: 3, 15, 35, 63, ?

Options: A) 81, B) 69, C) 99, D) 77

• Each term is a product of two consecutive odd numbers: 1x3=3; 3x5=15; 5x7=35; 7x9=63.
• Next pair: 9x11 = 99.

Correct answer: C) 99

Q4: Mixture (seawater)

• Question: Seawater contains 5% salt by weight. How much fresh water must be added to 40 kg of seawater to reduce the salt content to 2%?

Options: A) 40 kg, B) 50 kg, C) 55 kg, D) 60 kg

• Salt quantity = 5% of 40 = 2 kg. This amount does not change when fresh water is added.
• Let x = fresh water added. New total weight = (40 + x) kg.
• New salt concentration: 2 / (40 + x) = 0.02
• Solve: 2 = 0.02(40 + x), so 2 = 0.8 + 0.02x, so 0.02x = 1.2, so x = 60 kg.

Correct answer: D) 60 kg

The same mixture-ratio setup appears in Reliance placement papers under quantitative aptitude. The equation structure is identical.

Q5: Volume (spheres)

Question: A spherical ball of 6 cm diameter is melted and recast into three smaller balls. Two balls have radii 1.5 cm and 2 cm. Find the radius of the third ball.

Options: A) 2 cm, B) 2.5 cm, C) 3 cm, D) 3.5 cm

• Large ball: diameter = 6 cm, radius = 3 cm. Volume = (4/3) x pi x (3 cubed) = 36pi cm cubed.
• Ball 1 (r = 1.5): volume = (4/3) x pi x (1.5 cubed) = (4/3) x pi x (27/8) = 9pi/2 cm cubed.
• Ball 2 (r = 2): volume = (4/3) x pi x (2 cubed) = 32pi/3 cm cubed.
• Ball 3 volume = 36pi minus 9pi/2 minus 32pi/3 = pi x (216/6 minus 27/6 minus 64/6) = 125pi/6 cm cubed.
• Solve (4/3) x pi x r cubed = 125pi/6: r cubed = 125/8, so r = 5/2 = 2.5 cm.

Correct answer: B) 2.5 cm

4-week preparation plan

A 75-question test with negative marking rewards accuracy over volume. This plan structures prep accordingly.

Week	Focus	Daily target
1	Quantitative Aptitude: percentages, ratio, time-work, time-speed-distance	20 questions; review every wrong answer
2	Verbal Ability: reading comprehension, sentence correction, para-jumbles	2 RC passages + 15 grammar questions
3	Logical Reasoning: number series, coding-decoding, data interpretation	15 questions per topic
4	Full-length timed mocks	1 full test (75 questions, 75 minutes) per day, negative marking enabled

During week 4, track your selectivity ratio: questions attempted versus accuracy on those attempts. Students who attempt fewer questions with higher accuracy consistently score more than those who rush through all 75.

For companies that use third-party proctored platforms, check HirePro placement papers and the ZS Associates placement paper for platform-specific interface and proctoring expectations. The test mechanics vary even when the syllabus does not.

What to expect after the aptitude test

Atos campus recruitment typically runs three stages after the online test:

• Technical interview: expects data structures, OOP concepts, basic SQL, and questions on your academic projects. Most common topics are arrays, linked lists, sorting, and one or two programming puzzles. Depth matters more than breadth here.
• HR interview: covers motivation for joining Atos, willingness to relocate to their India centres, and standard communication assessment. No technical depth required, but honest preparation about the role and company context helps.
• Offer: the package for entry-level fresher roles varies by role stream. Verify current CTC bands directly through your campus placement cell, as figures shift across hiring cycles.

The same pattern recognition that makes number-series questions tractable (derive the rule from first principles rather than memorising outcomes) applies when working with AI tools. The GP-log correction in Q1 is a clean example of this: the circulated answer was wrong because it was copied rather than derived. TinkerLLM’s guided exercises at ₹299 are built on that same principle. You reason through what an LLM is doing rather than pattern-matching prompts from a cheat sheet.