📚 Reasoning Ability – Analogy
BARC Recruitment (Competitive Exams – IIT‑JEE‑style)
Analogy is the ability to identify a relationship between two concepts or objects, and then apply the same relationship to a new pair.
The BARC exam tests this skill in the form of analogy type questions (A : B :: C : D).
Mastery of analogies boosts your pattern‑recognition power, a core component of many reasoning sections.
1. Quick Definition
| Symbol | Meaning | Example |
|---|---|---|
| A : B | First pair | BOOK : PAGE |
| C : D | Second pair (to be found) | ? : ? |
| :: | "is to" (relationship) | BOOK : PAGE :: PAPER : ? |
Goal: Find D such that the relationship between C and D is identical to that between A and B.
2. Types of Analogies
| Type | Definition | Typical Relationship | Example |
|---|---|---|---|
| Synonym | Two words with same meaning | Happy : Joyful | Joyful : Happy :: Sad : ? |
| Antonym | Opposite meanings | Hot : Cold | Cold : Hot :: Warm : ? |
| Part‑Whole | One is a component of the other | Leaf : Tree | Wheel : Car :: ? : Train |
| Function / Cause‑Effect | One causes/produces the other | Sneeze : Allergy | Allergy : Sneeze :: Fever : ? |
| Process‑Result | One is a step in a process | Cut : Paper | Paint : Wall :: ? : Room |
| Category‑Member | A member of a category | Rose : Flower | Neptune : Planet :: ? : ? |
| Similarity‑Contrast | Two items are similar in one aspect but differ in another | *Man : Woman | Male : Female? |
| Tool‑Purpose | Tool used for a purpose | Hammer : Nail | Knife : Meat :: ? : ? |
| Emotion‑Expression | Emotion expressed through a medium | Music : Joy | Poetry : ? |
Tip: The relationship can be multifaceted (e.g., Part‑Whole + Function). Identify the dominant one.
3. Strategy to Solve Analogy Questions
| Step | Action | Rationale |
|---|---|---|
| 1. Identify the Relationship | Read A and B, jot down all possible links. | Avoid missing a hidden relationship. |
| 2. Rank Relationships | Rank by dominance (most obvious). | Helps when several relationships coexist. |
| 3. Look for Matching Pair | Scan choices for the same relationship. | Quick filtering. |
| 4. Check for Logical Consistency | Verify that the relationship is exact (not just similar). | Avoid false positives. |
| 5. Eliminate | Discard any choice that violates the relationship or introduces a new unrelated link. | Reduces answer options. |
| 6. Double‑check | Re‑examine the selected pair for any overlooked nuance. | Prevents last‑minute mistakes. |
Common Pitfalls
| Pitfall | Why it Happens | How to Avoid |
|---|---|---|
| Assuming only one relationship | Many analogies have multiple valid links. | List all, then pick the dominant. |
| Choosing a pair that almost fits | Over‑interpreting a minor similarity. | Ensure exact match (e.g., part‑whole vs. function). |
| Forgetting that order matters | Some relationships are directional (A is part of B, not B part of A). | Pay attention to the directionality. |
| Ignoring “none of the above” | Rarely used, but some tests include it. | If no choice fits, consider none. |
4. Key Patterns & “Formulae”
| Pattern | Symbolic Representation | Example |
|---|---|---|
| Part‑Whole | A ⊂ B |
Leaf : Tree |
| Antonym | A = ¬B |
Hot : Cold |
| Synonym | A ≡ B |
Happy : Joyful |
| Cause‑Effect | A → B |
Heat : Melting |
| Tool‑Purpose | A → B (Tool → Outcome) |
Pen → Writing |
| Category‑Member | A ∈ B |
Rose ∈ Flower |
| Process‑Result | Process(A) = B |
Slicing(A) = Bread |
Note: In analogies, the same symbol may represent different relationships depending on context. The key is to interpret the relational pattern correctly.
5. Practice Tips
-
Create a “Relationship Bank”
Write down 5–10 common relationships and a few sample pairs for each. Review regularly. -
Use Flashcards
Front: PairA : B; Back: Relationship type + example pairs. -
Simulate Exam Conditions
Time yourself (2–3 minutes per question) to develop speed. -
Analyze Wrong Answers
Identify why you missed the correct relationship. -
Work on “Hard” Analogies
As the question difficulty increases, the relationship may involve double links (e.g., synonym + part‑whole).
6. Hard Practice Question (with Solution)
Question
TUNNEL : ROAD :: ? : SKYLINEChoose the best option that completes the analogy.