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Question

Which of the following is the odd one out?

The correct answer is
Isosceles triangle

Shape Classification

The objective is to identify the geometric shape that is different from the others in the provided list.

Analyzing Shapes by Sides:

  • Isosceles Triangle: This shape has 3 sides.
  • Square: This shape has 4 sides.
  • Rectangle: This shape has 4 sides.
  • Regular Hexagon: This shape has 6 sides.

The Square and Rectangle are both classified as quadrilaterals, meaning they have 4 sides. The Regular Hexagon has 6 sides.

The Isosceles triangle is the only shape listed that has 3 sides.

Conclusion

Based on the number of sides, the Isosceles triangle is distinctly different from the square, rectangle, and regular hexagon, making it the odd one out.

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Important Questions from Classification (Notes)

  1. Find the odd one out
  2. Consider the following four words, out of which three are alike in some manner and one is different.
    (A). Arrow
    (B). Missile
    (C). Sword
    (D). Bullet
    Choose the combination that has alike words.
  3. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  4. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  5. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
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