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Infosys Placement Tests Reasoning Preparation Guide

Master the Reasoning Ability section with expert strategies, detailed syllabus breakdown, and practice resources tailored for Indian students.

Key Exam Stats
  • Reasoning Questions 15-20
  • Total Marks 20-25
  • Time Allocated 25-30 mins
  • Negative Marking No

Infosys Placement Tests Reasoning Section Overview

Exam Details

  • Conducting Body
    Infosys Limited
  • Exam Frequency
    Year-round (Campus & Off-campus drives)
  • Section Name
    Logical Ability (Reasoning)
  • Difficulty Level
    Moderate

Reasoning Section Analysis

The Reasoning section in Infosys Placement Tests evaluates your logical thinking, pattern recognition, and problem-solving abilities. Based on 2023 data:

Topic Weightage Difficulty
Logical Sequence 25% Moderate
Data Sufficiency 20% Hard
Blood Relations 15% Easy
Direction Sense 10% Easy
Verbal Reasoning 30% Moderate

Pro Tip

Focus on Verbal Reasoning and Logical Sequence questions first as they carry maximum weightage and are moderately difficult. Data Sufficiency questions, though fewer, can be time-consuming.

Detailed Syllabus Breakdown

Weightage: 25% | Difficulty: Moderate

This section tests your ability to arrange information logically. Topics include:

  • Linear and circular arrangements
  • Sequencing and ordering
  • Puzzle-based arrangements
  • Condition-based sequencing
Preparation Tip: Practice at least 10 arrangement puzzles daily. Focus on understanding conditions first before attempting solutions.

Weightage: 20% | Difficulty: Hard

Evaluate whether given data is sufficient to answer questions. Includes:

  • Numerical data sufficiency
  • Logical data sufficiency
  • Verbal data sufficiency
Preparation Tip: Master the elimination technique - often one statement alone is sufficient. Practice identifying minimal required information.

Weightage: 15% | Difficulty: Easy

Questions about family relationships and pedigrees:

  • Coded relationships
  • Multi-generation problems
  • Pointing and description-based questions
Preparation Tip: Draw quick family trees for visualization. Memorize standard relationship terms (maternal, paternal, etc.).

Weightage: 10% | Difficulty: Easy

Problems involving directions and movement:

  • Standard direction problems
  • Shadow-based direction finding
  • Turning and angle-based problems
Preparation Tip: Always draw the path step-by-step. Remember sunrise/sunset directions for shadow problems.

Weightage: 30% | Difficulty: Moderate

Language-based logical problems:

  • Logical deductions
  • Statement-conclusion analysis
  • Course of action
  • Assertion-reason questions
Preparation Tip: Read each statement carefully. Look for absolute words ("always", "never") which often indicate incorrect options.

Preparation Timeline & Study Plan

3-Month Intensive Plan

Month 1: Foundation Building

  • Week 1-2: Master Blood Relations & Direction Sense
  • Week 3-4: Focus on Verbal Reasoning basics

Month 2: Core Development

  • Week 1-2: Logical Sequence & Arrangement
  • Week 3-4: Data Sufficiency techniques

Month 3: Advanced Practice

  • Week 1-4: Full-length mock tests and timed practice
  • Daily: 30 minutes speed practice

6-Month Comprehensive Plan

Month 1-2: Conceptual Clarity

  • Detailed study of all topics
  • Basic problem solving

Month 3-4: Topic Mastery

  • Advanced problem sets
  • Topic-wise timed quizzes

Month 5-6: Exam Simulation

  • Full-length practice tests
  • Performance analysis
  • Weakness rectification
Download Complete Study Plan (PDF)

Daily Practice Routine

  • Morning (30 mins): Conceptual study of one topic
  • Afternoon (45 mins): Practice problems on studied topic
  • Evening (30 mins): Review mistakes and analyze solutions
  • Weekends: Full-length mock tests (timed)

Sample Questions & Solutions

Sample Question 1: Logical Sequence

Question: Five friends - A, B, C, D, and E - are sitting in a row facing north. A is to the immediate left of B and to the immediate right of C. D is to the immediate right of E. Who is sitting in the middle?

Solution:

  1. From "A is to the immediate left of B": A B
  2. From "A is to the immediate right of C": C A B
  3. From "D is to the immediate right of E": E D
  4. Combine both sequences: C A B E D or E D C A B
  5. Only C A B E D fits all conditions
  6. Middle position is B

Answer: B is sitting in the middle.

Sample Question 2: Data Sufficiency

Question: Is X greater than Y?
Statement 1: X + Y = 10
Statement 2: X - Y = 2

Solution:

  1. From Statement 1 alone: We cannot determine which is greater (X=6,Y=4 or X=4,Y=6 both satisfy X+Y=10)
  2. From Statement 2: X - Y = 2 clearly shows X is greater than Y by 2
  3. Combining both: We can solve the equations to find X=6 and Y=4, confirming X > Y

Answer: Statement 2 alone is sufficient to answer that X is greater than Y.

Practice More Questions New

Expert Strategies & Common Pitfalls

Top 5 Strategies for Success

  1. Master the Elimination Technique: In multiple-choice questions, eliminate obviously wrong options first.
  2. Time Allocation: Spend no more than 1.5 minutes per question. Mark difficult ones and return later.
  3. Verbal Reasoning Shortcut: Look for extreme words ("always", "never") which are often incorrect.
  4. Diagram Everything: For arrangement problems, draw quick sketches to visualize relationships.
  5. Practice with Purpose: Focus on accuracy first, then gradually increase speed.

Common Mistakes to Avoid

  1. Misreading Questions: Rushing leads to misunderstanding what's being asked.
  2. Overcomplicating Solutions: Many problems have simple solutions if approached methodically.
  3. Ignoring Negative Marking: While Infosys doesn't have negative marking, guessing randomly can waste time.
  4. Uneven Preparation: Focusing only on favorite topics while neglecting others.
  5. Last-minute Cramming: Reasoning requires practice, not memorization.

Time Management During Exam

Section Recommended Time Strategy
Verbal Reasoning 8-10 minutes Do these first as they're reading-intensive
Logical Sequence 6-8 minutes Draw quick diagrams
Data Sufficiency 5-7 minutes Evaluate statements systematically
Blood Relations 3-4 minutes Quick family tree sketches
Direction Sense 3-4 minutes Simple path drawings

Mental Preparation Tips

  • Practice daily meditation to improve focus during exams
  • Simulate exam conditions during practice tests
  • Develop a positive mindset - visualize success
  • Get adequate sleep before the exam day
  • Arrive early at the exam center to settle in comfortably

Recommended Resources

Books

  • A Modern Approach to Verbal & Non-Verbal Reasoning
    by R.S. Aggarwal
    Comprehensive coverage with practice sets
  • Logical Reasoning and Data Interpretation
    by Nishit K. Sinha
    Excellent for advanced problems
  • Infosys Placement Papers Solved
    by G.K. Publications
    Actual previous year papers

Online Platforms

Mobile Apps

  • Infosys Preparation 2024
    Company-specific practice tests
  • Reasoning Master
    Daily practice with explanations
  • Aptitude & Reasoning Test
    Comprehensive topic coverage

Frequently Asked Questions

The Reasoning section typically carries about 25-30% weightage in the Infosys Placement Test. In recent drives, there have been 15-20 reasoning questions out of total 60-65 questions in the written test. The exact number may vary slightly between different recruitment drives.

Based on analysis of previous years' papers, the most important topics are:
  • Verbal Reasoning (30% weightage)
  • Logical Sequence & Arrangement (25%)
  • Data Sufficiency (20%)
  • Blood Relations (15%)
  • Direction Sense (10%)
Focus particularly on Verbal Reasoning and Logical Sequence as they carry maximum marks.

To improve both speed and accuracy:
  1. Practice daily: Solve at least 20-30 reasoning questions every day
  2. Time yourself: Gradually reduce time per question
  3. Learn shortcuts: Master diagrammatic and elimination techniques
  4. Analyze mistakes: Review incorrect answers to avoid repeating errors
  5. Take mock tests: Simulate exam conditions regularly
Our timed quizzes are specifically designed to help with this.

No, there is typically no negative marking in the Infosys Placement Test reasoning section. However, this could change, so always verify with the latest exam notification. Even without negative marking, random guessing isn't recommended as it wastes time that could be better spent on solvable questions.

While there are no "magic" shortcuts, these strategies can significantly speed up your solving:
  • Diagramming: Quickly sketch relationships for arrangement problems
  • Option Elimination: Rule out obviously wrong choices first
  • Pattern Recognition: Many questions follow standard patterns - practice helps identify these
  • Time Allocation: Don't spend more than 1.5 minutes on any question initially
  • Verbal Cues: Look for extreme words in verbal reasoning which are often incorrect
Remember that true speed comes from thorough understanding and regular practice.

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Sandeep Nehra

B.Tech (Mech) | MBA (HRM & IB) | Lead Developer & Reasoning Expert (16+ Yrs)

Sandeep is a Mechanical Engineer and dual MBA (HR & International Business) with over 16 years of experience as a Senior Web Architect and Tech Lead. Combining his engineering precision with deep behavioral insights, he founded ReasoningAbility.com to revolutionize competitive exam preparation. His unique methodology — blending logical structuring from engineering with psychological clarity from HRM — helps aspirants crack BITSAT, SSC, and Banking exams faster. His mission remains simple: provide high-quality, free practice resources that turn complex logic into accessible, high-speed solving techniques for students worldwide.

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