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Classification — Questions and Answers

Non-verbal classification gives a set of figures and asks which one does not belong. The distinguishing property is usually structural — the number of sides, the presence of curves, symmetry, or whether a figure is a rotation of the others rather than a reflection of them. Name the shared property first, then test each figure against it.

8 solved questionsNon Verbal ReasoningFree · no signup

Classification— Concepts, Formulas & Shortcuts

  • Count sides and vertices first; a differing count is the commonest rule.
  • Curved versus straight-edged is a frequent distinction.
  • Check whether all but one figure are rotations of the same shape.
  • A reflected figure among rotations is the classic odd one out.
  • Symmetry — how many axes a figure has — is another common property.
  • The rule must exclude exactly one figure; if it excludes two, it is the wrong rule.

Classification Practice Questions with Answers

Attempt each question first, then open the explanation. All 8 questions below are free to read and require no signup.

  1. Q1.Which of these shapes has NO vertices?

    Easy
    • ATriangle
    • BSquare
    • CCircle
    • DPentagon
    +Show Answer & Explanation

    Answer: C. Circle

    Explanation: A circle is a single curved line with no corners; the others are polygons with vertices.

    Classification question 1 of 8

  2. Q2.Which of these is NOT a quadrilateral?

    Easy
    • ASquare
    • BRectangle
    • CRhombus
    • DPentagon
    +Show Answer & Explanation

    Answer: D. Pentagon

    Explanation: A pentagon has five sides; the other three have four.

    Classification question 2 of 8

  3. Q3.Among four figures, three are rotations of one shape and one is its mirror image. The odd one is:

    Difficult
    • AThe largest
    • BThe smallest
    • CThe mirror image
    • DThe first
    +Show Answer & Explanation

    Answer: C. The mirror image

    Explanation: Rotations preserve handedness; the reflected figure does not, making it structurally distinct.

    Classification question 3 of 8

  4. Q4.Which shape has the greatest number of sides?

    Easy
    • ATriangle
    • BSquare
    • CPentagon
    • DHexagon
    +Show Answer & Explanation

    Answer: D. Hexagon

    Explanation: A hexagon has six sides, more than the others.

    Classification question 4 of 8

  5. Q5.Which figure has all sides equal AND all angles equal to 90°?

    Moderate
    • ARhombus
    • BRectangle
    • CSquare
    • DParallelogram
    +Show Answer & Explanation

    Answer: C. Square

    Explanation: Only a square satisfies both conditions; a rhombus has equal sides but not right angles.

    Classification question 5 of 8

  6. Q6.How many axes of symmetry does a square have?

    Moderate
    • A2
    • B3
    • C4
    • D6
    +Show Answer & Explanation

    Answer: C. 4

    Explanation: Two diagonals and two lines through opposite side midpoints give four axes.

    Classification question 6 of 8

  7. Q7.Which of these figures is NOT made only of straight lines?

    Easy
    • ATriangle
    • BSemicircle
    • CRectangle
    • DTrapezium
    +Show Answer & Explanation

    Answer: B. Semicircle

    Explanation: A semicircle includes a curved arc; the others are entirely straight-sided.

    Classification question 7 of 8

  8. Q8.In non-verbal classification, a valid rule must exclude:

    Easy
    • ANo figure
    • BExactly one figure
    • CExactly two figures
    • DAll figures
    +Show Answer & Explanation

    Answer: B. Exactly one figure

    Explanation: The question has a single answer, so the correct property leaves exactly one figure out.

    Classification question 8 of 8

Classification — Frequently Asked Questions

Why is a reflected figure often the odd one out?+

Because rotations of one shape are all congruent in the same handedness, while a reflection reverses handedness. Among four otherwise identical figures, the mirrored one is structurally different.

What should I count first?+

Sides and vertices. A figure with a different count of either is almost always the intended answer, and it takes only seconds to check.

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