Geo Sudo
Duration: 3 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- Aptitude: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Powers and Exponents (Surds and Indices), Algebra, Probability, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, TCS NQT Advanced Quantitative Ability, Speed Mathematics and Basic Mathematics, Arithmetic, Statistics, Partnership, Age Problems, Mental Ability, Mensuration and Geometry, Linear Algebra, Calculus, Trigonometry, Vectors, Gamified / Game Based Aptitude
- Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Syllogisms, TCS NQT Advanced Reasoning Ability, Ranking, Order and Sequence, Analogy, Inequality, Data Arrangement, Venn Diagram, Logical Sequence Of Words, Selection Decision Table (Decision Making), Cubes & Dices, Clock, Calendar, Puzzle Solving (Puzzles), Analytical Reasoning (Counting Figures Reasoning), Directions (Direction Test), Blood Relations, Seating Arrangements
- Verbal Ability (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Preposition, Articles, Direct and Indirect Speech, Conjunction, Modals, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Sentence Construction, Active Passive Voice (Voice), Determiner, Facts, Inference and Judgements, Adverb, Verb
- Mega Test:
- Grand Test:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This educational video introduces GeoSudo, a deductive logical reasoning puzzle designed to test pattern recognition and elimination skills. The core mechanic mirrors Sudoku logic applied to geometric shapes within a grid structure. Students learn that the fundamental constraint is uniqueness: only one figure of a particular type can appear in any given row or column. The instructor guides viewers through identifying the missing shape by analyzing existing figures and systematically eliminating options that violate this rule. Visual aids, such as red underlines and circles, emphasize critical constraints and target cells to focus attention on the logical deduction process.
Chapters
0:00 – 2:00 00:00-02:00
The video begins by defining GeoSudo as a deductive logical reasoning problem involving a grid of shapes. On-screen text explicitly states the rule: 'Only one figure of a particular type can come in one row, same rule applied for columns as well.' The instructor presents a 4x4 grid puzzle with a missing shape indicated by a question mark. Visual cues include red underlines highlighting the uniqueness rule and circles around the target cell to guide focus. The segment establishes the foundational constraint that shapes must be unique within their respective rows and columns, setting up the elimination strategy required to solve the puzzle.
2:00 – 3:16 02:00-03:16
The instructor demonstrates the solution process by applying the uniqueness rule to eliminate incorrect options. Red crosses appear over invalid shapes like triangles, plus signs, and squares because they already exist in the corresponding row or column. This visual elimination leaves the circle as the only valid answer that satisfies the constraint. The segment concludes with a clear identification of the correct shape, reinforcing the method of deductive reasoning where one must check both horizontal and vertical alignments before selecting an option from A, B, C, D.
The video effectively teaches a specific type of matrix reasoning puzzle called GeoSudo. The primary learning objective is understanding and applying the uniqueness constraint across rows and columns to deduce missing elements. The teaching method relies heavily on visual demonstration, using color-coded annotations like red underlines for rules and crosses for eliminations to make the abstract logic concrete. Students should note that this problem type requires checking both dimensions (row and column) simultaneously to validate an answer. The progression moves from rule definition to active problem-solving, providing a clear model for tackling similar logical reasoning questions in placement exams.