ZE
ZESTEXAM

IBPS RRB PO Syllogism

Study Material · Concept Notes · Shortcuts

This page covers IBPS RRB PO Syllogism with complete concept notes, 9 graded practice MCQs, key points and exam-specific tips. Free to study.

0 PYQs
none yet
9 Practice
MCQs
10 Key Points
to remember
Free
no login needed
Take Free Mock →Full Practice Set
Also for:IBPS POIBPS ClerkSBI POSBI Clerk
PYQs
0
Practice
9
Key Points
10
Access
Free
Concept Notes

Syllogism— Rules & Concept

Core ConceptRead this first — the foundation of the topic
Core Concept

A syllogism has two or more statements followed by conclusions. You must check if the conclusions logically follow from the statements, ignoring what you know about the real world

Key Rules

(1) Accept all statements as true, even if they seem wrong in reality. (2) Use only the given information. (3) Draw conclusions based purely on logical connections. (4) 'Some' means 'at least one but not all'. (5) 'All' means '100% without exception'

Venn Diagram Method

This is the most reliable approach. Draw circles to represent each category mentioned in statements. Overlap circles based on relationships given in statements. Check if conclusions match your diagram.

Exam PatternsWhat examiners ask — read before attempting PYQs

SSC CGL typically asks: (1) Statement-Conclusion type (2-3 statements, 2-4 conclusions to verify) (2) Only conclusion follows questions (3) Possibility-based conclusions. Most questions use words like All, Some, No, Few. Shortcut Formula #1 - Conversion Rule: 'All A are B' can be converted to 'Some B are A'. But 'All A are B' cannot be converted to 'All B are A'. Shortcut Formula #2 - Negative Conclusions: If both statements are positive, the conclusion cannot be negative. If one statement is negative, the conclusion must be negative.

Worked ExampleSolve this step-by-step before moving on

Statements: (1) All roses are flowers (2) Some flowers are red Conclusions: (I) Some roses are red (II) All red things are flowers Solution: Draw three circles - Roses (inside Flowers circle), Flowers (big circle), Red (overlapping with Flowers). From the diagram, roses and red may or may not overlap. Conclusion I is 'possible but not definite' - so FALSE.

Conclusion II says all red are flowers, but statement 2 only says some flowers are red, not the reverse - so FALSE. Answer: Neither conclusion follows. Worked Example 2: Statements: (1) No cats are dogs (2) All cats are animals Conclusions: (I) No dogs are cats (II) Some animals are cats Solution: Draw separate circles for cats and dogs (no overlap due to 'No'). Draw animals circle containing cats circle completely.

Conclusion I: 'No dogs are cats' is the same as 'No cats are dogs' - TRUE. Conclusion II: Since all cats are animals, definitely some animals are cats - TRUE. Answer: Both conclusions follow. Trick #3 - Possibility Conclusions: When a conclusion uses 'Some X can be Y' or 'X is a possibility', it's asking if the relationship is possible, not definite.

Even if something is not proven definite, it might still be possible.

Exam TrapsCommon mistakes students make — avoid these

#1: Students use real-world knowledge instead of logical reasoning. For example, if given 'All books are tigers', students reject it as impossible. In syllogism, you must accept this as true for that question and proceed logically. Time-Saving Approach: For statement-conclusion questions, quickly eliminate obviously wrong conclusions first.

Look for direct contradictions with statements. Then use Venn diagrams only for remaining conclusions. This saves precious exam time. Medium/Definite Rule: If conclusion says 'definitely' or uses strong words like 'certainly', it needs 100% proof from statements.

If it says 'can be' or 'possible', it needs only logical possibility, not certainty.

Key Points to Remember

  • Accept all statements as true regardless of real-world logic
  • Use Venn diagrams to visualize relationships between categories
  • Formula: 'All A are B' converts to 'Some B are A' but not 'All B are A'
  • Rule: If both statements are positive, conclusion cannot be negative
  • Some means 'at least one but not all', All means '100% without exception'
  • Possibility conclusions need logical possibility, not definite proof
  • No real-world knowledge should influence your logical reasoning
  • Trick: Check direct contradictions with statements to eliminate wrong conclusions quickly
  • Formula: One negative statement makes the conclusion negative
  • Time-saver: Eliminate obviously wrong conclusions before drawing Venn diagrams

Exam-Specific Tips

  • Syllogism appears in every SSC CGL paper with 4-5 questions guaranteed
  • Statement-conclusion type is the most common format in SSC exams
  • Venn diagram method has 95% accuracy rate for solving syllogisms
  • Words 'All, Some, No, Few' appear in 90% of SSC syllogism questions
  • Possibility-based conclusions appear in 30% of recent SSC papers
  • Conversion rule: 'All A are B' always converts to 'Some B are A'
  • Two positive statements can never yield a negative conclusion
  • SSC typically gives 2-3 statements with 2-4 conclusions to verify
Practice MCQs

Syllogism — Practice Questions

9graded MCQs · easy to hard · full solution & trap analysis

All MCQs →
Practice 1easy

Statements: 1. All teachers are educated. 2. Some educated people are writers. Conclusion: Some teachers are writers. Which of the following is true? A) The conclusion definitely follows. B) The conclusion does not follow. C) The conclusion is partially true. D) The conclusion is true only for some teachers.

Practice 2easy

Statements: 1. All fruits are healthy. 2. All apples are fruits. Conclusion: All apples are healthy. Which of the following is true? A) The conclusion definitely follows. B) The conclusion does not follow. C) The conclusion is true only for some apples. D) The conclusion may or may not follow.

Practice 3easy

Statements: 1. Some students are athletes. 2. All athletes are disciplined. Conclusion: Either all students are disciplined OR some students are not disciplined. Which of the following is true? A) The conclusion definitely follows. B) The conclusion does not follow. C) The conclusion is partially true. D) The conclusion is true for some students.

Practice 4easy

Statements: 1. No reptiles are mammals. 2. All snakes are reptiles. Conclusion: No snakes are mammals. Which of the following is true? A) The conclusion definitely follows. B) The conclusion does not follow. C) The conclusion is true only for some snakes. D) The conclusion may or may not follow.

Practice 5easy

Read the following statements carefully and answer the question. Statements: 1. All teachers are educators. 2. Some educators are researchers. 3. No researchers are administrators. Which of the following conclusions is definitely true? A) All teachers are researchers. B) Some teachers are researchers OR Some teachers are not researchers. C) No teachers are administrators. D) All educators are teachers.

Practice 6medium

Statements: 1. No artists are accountants. 2. All accountants are professionals. 3. Some professionals are teachers. Conclusions: I. Some teachers are accountants. II. No artists are professionals. III. Some professionals are not artists. Which conclusions logically follow?

Practice 7medium

Statements: 1. All engineers are problem-solvers. 2. No problem-solvers are lazy. 3. Some employees are engineers. Conclusions: I. Some employees are not lazy. II. All employees are problem-solvers. III. Either all engineers are employees, or no engineers are employees. Which of the following is true?

Practice 8medium

Statements: 1. Some athletes are vegetarians. 2. All vegetarians are health-conscious. 3. No health-conscious person is reckless. Conclusions: I. Some athletes are not reckless. II. All athletes are health-conscious. III. Some reckless people are not vegetarians. Which conclusions logically follow?

Practice 9hard

Read the following statements carefully and answer the question. Statement 1: All philosophers are rational thinkers. Statement 2: Some rational thinkers are not scientists. Statement 3: No scientist is irrational. Which of the following conclusions logically follows from the above statements? A) All philosophers are scientists. B) Some philosophers are not scientists, OR all philosophers are scientists. C) Some philosophers are scientists. D) No philosopher is a scientist.

60-Second Revision — Syllogism

  • Remember: Accept all statements as true, ignore real-world knowledge
  • Formula: All A→B converts to Some B→A, not All B→A
  • Trap: Using real-world logic instead of pure logical reasoning
  • Method: Use Venn diagrams for visual clarity and accuracy
  • Rule: Positive statements cannot produce negative conclusions
  • Trick: Eliminate contradictory conclusions first to save time
  • Focus: 'Some' = at least one, 'All' = 100%, 'Possible' = logically feasible
Statement & Assumptions→
Studied the notes? Now test yourself
See how Syllogism appears in the real IBPS RRB PO paper
Full timed mock · Instant All-India percentile · Free
Start Free Mock →Practice Panel
✓ Free forever for basic prep✓ No app download✓ Real exam-pattern questions✓ 12,000+ aspirants
Test Syllogism under exam conditions
Free IBPS RRB PO mock · instant rank · no login
Free Mock →