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Odd One Out

Classification & Grouping: Odd One Out

Odd One Out

Odd One Out

What you'll learn

  • Look at a group of words and find the one that does not belong.
  • Spot the common feature shared by most items (fruit, animal, shape, colour, etc.).
  • Explain why the odd item is different.

Key concepts

Step 1 — Find what is common

Look at three of the four items first. What do they have in common? Are they all fruits? All animals? All shapes?

Step 2 — Check the fourth item

Does the fourth item share that same common feature? If not, it is the odd one out.

Step 3 — Say the reason

A good answer always explains the reason, e.g. "Carrot is the odd one out because the others are fruits and Carrot is a vegetable."

NCERT anchor: CBSE Class 4 logical reasoning; EVS 4 classification of living and non-living things, plants and animals

Worked example

Which word does NOT belong? Apple, Mango, Banana, Carrot

Step 1 — Apple, Mango and Banana are all fruits.
Step 2 — Carrot is a vegetable, not a fruit.
Answer: **Carrot**

Which word does NOT belong? Dog, Cat, Cow, Chair

Step 1 — Dog, Cat and Cow are all animals.
Step 2 — Chair is furniture, not an animal.
Answer: **Chair**

Common mistakes

MistakeWhy it happensFix
Picking a random itemNot checking what the other three shareAlways find the common feature first
Ignoring the categoryFocusing on spelling or length instead of meaningAsk "what group does each word belong to?"
Wrong reasonGuessing without checking each itemTest your answer against all four items
Missing hidden categoriesNot seeing a less obvious link (e.g. all start underground)Think about colour, use, place, or category

Quick check

  • Which word does NOT belong? Rose, Lily, Lotus, Table
  • Which word does NOT belong? Sparrow, Crow, Parrot, Bat
  • Which word does NOT belong? January, March, May, Monday
  • Stretch: Why is Bat the odd one out among Sparrow, Crow, Parrot and Bat, even though it can fly?

Revision tip: Always find the common link among three items before deciding which one is odd.

Open the Practice tab for graded questions on Odd One Out.

Key Takeaways (TL;DR)

  • What you'll learn
  • Key concepts
  • Worked example
  • Common mistakes

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