Advance Reasoning - Part 3

Duration: 1 hr 16 min

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Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. Section A: General Awareness: Polity, वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Biology, Chemistry, Static General Knowledge, History, Geography, Indian Economy, समसामयिकी / Current Affairs, Evolution of Indian Banking (Banking & Financial Awareness), Environment
  3. Section A: General Intelligence & Reasoning ability: श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, Data Sufficiency, अशाब्दिक तर्क / Non-Verbal Reasoning, Analytical Reasoning (Counting Figures Reasoning), रक्त संबंध / Blood Relations, Syllogisms, कथन आधारित तार्किक विवेचन / Statement-Based Reasoning, बैठक व्यवस्था एवं पहेलियाँ / Seating Arrangement and Puzzles, दिशा एवं दूरी / Direction and Distance, गणितीय संक्रियाएँ एवं लुप्त संख्या / Mathematical Operations and Missing Numbers, कैलेंडर एवं घड़ी / Calendar and Clock, Clock, घन, पासा एवं आकृतियों की गिनती / Cubes, Dice and Figure Counting, आँकड़ों की पर्याप्तता एवं निर्णय क्षमता / Data Sufficiency and Decision Making, वर्णमाला एवं संख्या परीक्षण / Alphabet and Number Test, Crypt Arithmetic, वेन आरेख, न्याय वाक्य एवं असमानता / Venn Diagrams, Syllogism and Inequalities, Data Arrangement, Inequality, सादृश्यता एवं वर्गीकरण / Analogy and Classification, क्रम एवं रैंकिंग / Order and Ranking, TCS NQT Advanced Reasoning Ability
  4. Section A: Arithmetical & Numerical Ability: अनुपात और समानुपात / Ratio and Proportion, Divisibility Rules, आँकड़ा निर्वचन / Data Interpretation, मिश्रण और एलिगेशन / Mixture and Alligation, Permutation and Combination, Logarithm, संख्या पद्धति / Number System, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, Sequence and Series (Series), समय, चाल और दूरी / Time, Speed and Distance, प्रतिशत / Percentage, औसत / Average, लाभ, हानि और बट्टा / Profit, Loss and Discount, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, समय और कार्य / Time and Work, Pipe and Cistern, घन क्षेत्रमिति / Solid Mensuration, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, Algebra, Probability, Mental Ability, Age Problems, Partnership, Statistics, Arithmetic, Speed Mathematics and Basic Mathematics, Miscellaneous
  5. Section A: English Language & Comprehension: Vocabulary, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Verbs and Tenses, Reading Comprehension, Parts of Speech, Sentence Construction, Prepositions and Conjunctions, Direct and Indirect Speech, Sentence Completion (Fill in the blanks), Sentence Structure and Common Errors, Modals, Transformation of Sentences, Sentence Correction (Error Correction), Adverb, Conjunction, Cloze Test (Cloze Passage)
  6. Section A: Hindi Language & Comprehension: भाषा, लिपि और वर्ण, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, पद-भेद और रूप-विकार, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, संधि, समास, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, शब्द-भंडार, अपठित बोध, Multi-Topic Content (Cross-Concept Material), वर्णमाला
  7. Section B: Programming, Data Structures, OOP & Java: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Language Design, Intro to Compilers, Visual Basics, Syntax Analysis: Bottom-Up, Object Oriented Technology
  8. Section B: Computer Networks, TCP/IP & Network Security: Introduction to CN, Data Communication, DLL: Flow Control, DLL: Access Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Access Technologies, Network Security, Society, Law & Ethics, Mobile Computing, Net Layer:Routing Protocol, Cyber Safety and Security
  9. Section B: Teaching Methodology: वृद्धि और विकास / Growth and Development, Concept of Pedagogy, विकास के सिद्धांत / Theories of Development, समावेशी शिक्षा / Inclusive Education, Experiential Pedagogy, आकलन और मूल्यांकन / Assessment and Evaluation, समाजीकरण और जेंडर / Socialisation and Gender, National Education Policy (NEP) 2020, संज्ञानात्मक प्रक्रियाएँ / Cognitive Processes, शिक्षण योजना और शिक्षण कौशल / Teaching Planning and Teaching Skills, Personality Development, शिक्षण विधियाँ / Teaching Methods, अधिगम और व्यवहारवादी सिद्धांत / Learning and Behavioural Theories, Learners & Learning Process, Factors Affecting Teaching, शिक्षण विधियाँ एवं उपागम / Teaching Methods and Approaches, शिक्षण-अधिगम प्रक्रिया एवं कक्षा प्रबंधन / Teaching-Learning Process and Classroom Management, शिक्षण सहायक सामग्री एवं शैक्षिक तकनीकी / Teaching Aids and Educational Technology, सूक्ष्म शिक्षण एवं कक्षा संप्रेषण / Microteaching and Classroom Communication, आकलन एवं मूल्यांकन / Assessment and Evaluation, पाठ्यचर्या, कला एवं सह-शैक्षिक क्षेत्र / Curriculum, Arts and Co-curricular Areas, दिव्यांग बच्चों की शिक्षा / Education of Children with Disabilities, शिक्षक: गुण, व्यावसायिक नैतिकता एवं विकास / Teacher: Qualities, Professional Ethics and Development
  10. Section B: Digital Electronics / Boolean Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Analog-Digital Conversion
  11. Section B: Operating Systems & Linux: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, File Management, Disc Scheduling, Unix OS, Linux OS, Distributed Systems, Windows OS
  12. Section B: Data Base Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, File Organization & Indexing, Transaction Management, Concurrency Control, Database Security & Authorization, Database Recovery, Data Warehousing & Mining
  13. Section B: Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, HTML Basics, CSS, Emerging Technologies, JavaScript-Basics, .Net Programming, Electronic Data Interchange and E-Commerce, XML
  14. Section B: Computer Fundamentals, IT Basics & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design, Programming the Basic Computer, Terms & Abbreviations, MS Office Applications, Instr Formats & Modes, Floating Point Rep, कंप्यूटर के मूल सिद्धांत / Computer Fundamentals, साइबर सुरक्षा / Cyber Safety and Security, कंप्यूटर सॉफ़्टवेयर / Computer Software, ऑपरेटिंग सिस्टम / Operating System, वर्ड प्रोसेसिंग (MS Word) / Word Processing (MS Word), कंप्यूटर नेटवर्क / Computer Networks, प्रेज़ेंटेशन (MS PowerPoint) / Presentation Software (MS PowerPoint)
  15. Section B: Python Language: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  16. Section B: Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, extras, Fundamentals of Systems and Information Systems
  17. Section B: Design & Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  18. Section B: Mathematics: Linear Algebra, Calculus, Trigonometry, Vectors, Set Theory, Functions, Relations, Propositional and Predicate Logic, Research Process Steps, Graph Theory, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, यूक्लिडीय ज्यामिति और क्षेत्रमिति / Euclidean Geometry and Mensuration, सांख्यिकी और प्रायिकता / Statistics and Probability, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers, समतल क्षेत्रमिति / Plane Mensuration, प्रतिचयन / Sampling
  19. Section B: Computer Graphics, Multimedia & Mobile Computing: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, Multimedia
  20. Section B: Emerging Trends: Emerging Tech Trends, Knowledge Representation, Natural Language Processing, व्यापार, विपणन एवं उपभोक्ता संरक्षण / Trade, Marketing and Consumer Protection
  21. DSSSB Previous Year Paper:
  22. Business Studies and Management: Business Communication, प्रबंध के सिद्धांत एवं कार्य / Principles and Functions of Management, लेखांकन के आधार एवं लेन-देनों का अभिलेखन / Accounting Fundamentals and Recording of Transactions, Business Economics, ह्रास, अंतिम खाते व कंप्यूटरीकृत लेखांकन / Depreciation, Final Accounts and Computerised Accounting, Knowledge Management & New Economy
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a comprehensive tutorial on solving various types of logical reasoning problems, presented by an instructor in a white shirt. The lecture begins with a brief, non-academic greeting for Friendship Day, then transitions into a structured session on Advance Reasoning. The core content covers multiple question types, including syllogisms, coded language, number sequences, and complex arrangement puzzles. The instructor uses a digital whiteboard to visually demonstrate his problem-solving process, applying logical rules and Venn diagrams to analyze statements and derive correct conclusions. The video concludes with a detailed solution to a multi-person arrangement problem, where the instructor systematically applies each clue to determine the final order of individuals on different floors.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a static image featuring a white background with a large, faded 'KG' logo. At the top, red text reads 'EVERYTHING IS FAIR IN FRIENDSHIP AND FRIENDSHIP'. Below this, green text says 'Happy Friendship Day'. This greeting remains on screen for the first two minutes before the main content begins.

  2. 2:00 – 5:00 02:00-05:00

    The scene transitions to the main lecture. The instructor, a man in a white shirt with a 'KG' logo, appears in the bottom right corner. The background now displays the 'TCS CONSULTANCY SERVICES' logo. The title 'Advance Reasoning' and 'PREVIOUS YEAR QUESTIONS' are shown. The first question, Q1, is presented, which is a syllogism problem with three statements: 'All liquids are solids.', 'Some solids are gases.', and 'All gases are clouds.' The instructor begins to analyze the logical relationships between these categories.

  3. 5:00 – 10:00 05:00-10:00

    The instructor continues to solve the syllogism from Q1. He uses a Venn diagram on the whiteboard, drawing overlapping circles for 'Solids' (S), 'Gases' (G), and 'Clouds' (C). He explains that 'All liquids are solids' means the 'Liquids' circle is inside the 'Solids' circle. He then evaluates the four conclusions, marking 'I. Some clouds are solids' as true and 'II. Some clouds are liquids' as false, using the diagram to show the logical connections.

  4. 10:00 – 15:00 10:00-15:00

    The video moves to Q2, another syllogism. The statements are: 'All Gold are Platinum.', 'No Platinum is Silver.', and 'Some Diamonds are Silver.' The instructor draws a Venn diagram with circles for Gold, Platinum, Silver, and Diamonds. He explains that 'All Gold are Platinum' means the Gold circle is inside the Platinum circle, and 'No Platinum is Silver' means the Platinum and Silver circles do not overlap. He then evaluates the conclusions, ultimately identifying that only conclusion IV, 'No Silver is Gold', is logically valid.

  5. 15:00 – 20:00 15:00-20:00

    The instructor presents Q3, a coded language problem. The text states that 'FORGIVE' is written as 'DPPHGWG'. He analyzes the pattern by comparing the letters of the original word to the coded word, identifying a shift in the alphabet. He determines that each letter is replaced by the letter two positions before it (e.g., F -> D, O -> M, R -> P). He then applies this rule to 'REQUEST' to find its code, which is 'POFCVUR'.

  6. 20:00 – 25:00 20:00-25:00

    The video shows Q4, a number puzzle. A 2x2 grid is displayed with numbers 15, 17, 24, and 29 in the top-left, top-right, bottom-left, and bottom-right cells respectively. The instructor explains that the numbers are related to the letters in the corners (J, E, L, C). He uses the A-Z mapping (A=1, B=2, etc.) to find the values of the letters and then applies a formula to the numbers to find the missing value in the bottom-right corner, which is 'S'.

  7. 25:00 – 30:00 25:00-30:00

    Q5 is a clock problem. The question states a watch gains 5 seconds in 3 minutes and was set correctly at 7 a.m. The task is to find the true time when the watch shows 4:15 p.m. The instructor calculates the time elapsed on the watch (9 hours 15 minutes) and then uses a proportion to find the actual time, concluding that the true time is 4 p.m.

  8. 30:00 – 35:00 30:00-35:00

    The video presents Q6, a direction and distance problem. The scenario describes a person, Shalu, walking in a sequence of directions and distances: North 20m, right (East) 10m, right (South) 20m, left (East) 10m, and left (North) 20m. The instructor draws a path on the whiteboard, showing that the net displacement is 20m East and 20m North, placing her in the North-East direction from the starting point.

  9. 35:00 – 40:00 35:00-40:00

    Q7 is a clock problem involving a misaligned watch. The question states that at 6 p.m., the hour hand points to North. The instructor explains that this means the watch is rotated 90 degrees clockwise. He then calculates the position of the minute hand at 9:15 p.m. on this rotated watch, concluding that it points to the South.

  10. 40:00 – 45:00 40:00-45:00

    Q8 is a number sequence problem. The sequence is 1, 2, 5, 10, 25, 50, ... The instructor analyzes the pattern, noting that the sequence alternates between multiplying by 2 and multiplying by 2.5. He applies this rule to the last number, 50, to find the next number, which is 125.

  11. 45:00 – 50:00 45:00-50:00

    The video returns to a syllogism problem, Q9. The statements are: 'Some boys are scholars.', 'Some teachers are boys.', and 'All scholars are observers.' The instructor draws a Venn diagram with circles for boys, scholars, teachers, and observers. He evaluates the conclusions, determining that 'Some scholars are boys' (a) and 'Some observers are boys' (c) logically follow from the statements.

  12. 50:00 – 55:00 50:00-55:00

    The instructor continues to solve the syllogism from Q9. He uses the Venn diagram to show that since 'Some boys are scholars' and 'All scholars are observers', it follows that 'Some observers are boys'. He also confirms that 'Some scholars are boys' is a valid conclusion. He then evaluates the other options, marking them as incorrect.

  13. 55:00 – 60:00 55:00-60:00

    The video presents Q10, a complex arrangement puzzle. The problem involves seven people (P, Q, R, S, T, V, W) living on floors 1 to 7. The instructor begins to solve it by analyzing the clues, such as 'Q sits fourth to the left of the person living on the 6th floor' and 'W lives on the 3rd floor'. He starts to draw a line representing the floors and begins to place the individuals based on the given conditions.

  14. 60:00 – 65:00 60:00-65:00

    The instructor continues to solve the arrangement puzzle from Q10. He uses the clue 'Either Q or the person living on the 6th floor sits at the extreme ends of the line' to determine the possible positions for Q. He then uses the clue 'S is not an immediate neighbour of W to the right of S' to place S and W relative to each other, further narrowing down the possibilities.

  15. 65:00 – 70:00 65:00-70:00

    The instructor continues to solve the arrangement puzzle. He uses the clue 'One who lives on 5th floor sits third to the right of the one who lives on the 7th floor' to determine the relative positions of the 5th and 7th floor residents. He also uses the clue 'P and R are immediate neighbours of each other' to place them together. He is building a complete arrangement on the whiteboard.

  16. 70:00 – 75:00 70:00-75:00

    The instructor presents the final question for the arrangement puzzle, asking which of the five options is true. The options are: a) The one who lives on the 5th floor is an immediate neighbour of S, b) V lives on the 1st floor, c) T sits second to the left of the person who lives on 2nd floor, d) R and V are immediate neighbours, e) The one who lives on the 4th floor sits at one of the extreme ends. He has already solved the puzzle and is now ready to evaluate the options.

  17. 75:00 – 75:49 75:00-75:49

    The video shows the final answer to the arrangement puzzle. The instructor has completed the arrangement on the whiteboard, showing the order of the seven people from left to right. He then evaluates the options, and the correct answer is revealed to be 'e) The one who lives on the 4th floor sits at one of the extreme ends of the line'.

This video is a comprehensive tutorial on solving logical reasoning problems, structured as a series of practice questions. The instructor begins with a brief, non-academic greeting before diving into a structured lesson on 'Advance Reasoning'. The core of the video consists of a sequence of problems, each demonstrating a different type of logical puzzle. The instructor uses a digital whiteboard to visually explain his thought process, applying methods such as Venn diagrams for syllogisms, pattern analysis for coded language, and step-by-step deduction for complex arrangement puzzles. The progression moves from simpler, more direct problems to a complex, multi-clue arrangement problem that requires integrating all the learned skills. The video concludes by solving the final puzzle and identifying the correct answer, providing a complete and practical guide for students preparing for competitive exams.

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