Non-Verbal Reasoning
About 7 min · Logical Reasoning · English
Time worked out from the lesson's 520 words at 150 words a minute, plus a minute for each question.
Non-Verbal Reasoning tests your ability to analyze, interpret and solve problems using visual information rather than words or numbers. In SOF NSO, this section accounts for a significant portion of the Logical Reasoning component and appears in the Logical Reasoning section for Classes 1–10 (the Class 11–12 paper has no Logical Reasoning section). Unlike verbal problems that rely on language skills, non-verbal reasoning measures pure logical thinking through figures, shapes and patterns.
Key ideas
- Figure Pattern Recognition: Every figure is composed of distinct elements—outer shape, inner elements, shading patterns, line styles, symmetry and orientation. Learn to deconstruct complex figures into these basic attributes systematically.
- Transformation Rules: Figures change following logical rules—rotation (clockwise/anticlockwise by 90°/180°), reflection (horizontal/vertical flip), size change (enlargement/reduction) or element addition/deletion. One rule or multiple rules may apply simultaneously.
- Series Logic: In figure series, each step follows a consistent rule. The pattern may involve progressive change (adding one element each time), alternating patterns (ABAB sequence) or cyclic rotation through positions.
- Analogy Relationships: Figure analogy follows the format A:B::C:D meaning "A is to B as C is to D". The relationship between A and B must be identical to the relationship between C and D. Common relationships include rotation, shape change, element swap or positional shift.
- Classification Principle: In odd-one-out problems, three or four figures share a common property while one differs. The distinguishing feature could be symmetry, number of sides, type of shading, direction of rotation or any other attribute.
Quick reference
- Break every figure into: shape + size + shading + orientation + elements + position—check each systematically.
- In series problems, verify your answer by applying the rule to all given figures, not just the last one.
- For analogies, state the relationship in words ("rotates 90° clockwise") before looking at options.
- Odd-one-out has exactly ONE distinguishing feature—if you find two differences, you're analyzing the wrong property.
- Common transformations: rotate 90°/180°, flip horizontal/vertical, add/remove one element, change shading.
Check yourself: 3 questions
1. In a certain code, a figure is transformed by rotating it 90 degrees clockwise and then shading the bottom half. If a triangle pointing upward is given, what will be the final figure? [Imagine: Original figure is an upward-pointing triangle (△)]
2. Identify the figure that does NOT belong to the group. [Figure P: Square divided into 4 equal parts with top-left shaded] [Figure Q: Circle divided into 4 equal parts with top-left shaded] [Figure R: Triangle divided into 4 equal parts with top-left shaded] [Figure S: Rectangle divided into 4 equal parts with bottom-right shaded]
3. Two figures are related by a certain rule. Apply the same rule to find the missing figure. [Figure A: A square with a circle inside] is to [Figure B: A circle with a square inside] as [Figure C: A triangle with a star inside] is to [Figure D: ?]
This lesson is cut from the topic's note, not rewritten. Fact-checked on 21 Oct 2026: an AI-assisted check of this note against cited sources; the errors it found were corrected that day. Some errors may remain. The questions are from Shishya's validated question bank.
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