Important Practice Questions (Part 3)

Duration: 11 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. Course Overview: About the Course
  2. Paper - 1 | Unit - 1 | Teaching Aptitude: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement
  3. Paper - 1 | Unit - 2 | Research Aptitude: Introduction to Research, Validity & Reliability, Research Paradigms & Types of Research, Research Process Steps, Research Ethics, Writing & Publication
  4. Paper - 1 | Unit - 3 | Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  5. Paper - 1 | Unit - 4 | Communication: Communication Basics, Language and Semiotics, Types of Communication, Communication Models, Mass Communication, Mass Media, Journalism, General Knowledge and General Studies related to Communication
  6. Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Number System, Percentage, Ratio and Proportion (Ratios), Simple Interest and Compound Interest, Speed Time and Distance, Powers and Exponents (Surds and Indices), Profit and Loss, Average, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Verbal Analogy (Word Based Analogy), Divisibility Rules, Calendar, Miscellaneous, Time and Work, Algebra
  7. Paper - 1 | Unit - 6 | Logical Reasoning: Syllogisms, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Venn Diagram, School Of Thoughts, Fallacy, Western Logic
  8. Paper - 1 | Unit - 7 | Data Interpretation: Data Interpretation
  9. Paper - 1 | Unit - 8 | Information and Communication Technology: MS Office Applications, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Emerging Technologies, Terms & Abbreviations, Artificial Intelligence, Society, Law & Ethics, Keyboard Shortcuts, Website, Browser & Services
  10. Paper - 1 | Unit - 9 | People Development and Environment: Ecosystem, Biomes & Environmental Issues, MDG & SDG, Air Pollution, Water Pollution, Soil, Noise Pollution and Waste Management, Natural Resources, Energy & Disaster Management, Global Environmental Conventions – COP, Protocols & ISA
  11. Paper - 1 | Unit - 10 | Higher Education System: Vedic Education, Jainism & Buddhism, Ancient Universities, Pre-Independence Commissions, Post-Independence Policy, Higher Education Structure & Accreditation, Universities & Learning Programmes, Types of Education & NEP 2020
  12. Paper 2 | Unit 1 | Discrete Structures and Optimization: Propositional and Predicate Logic, Set Theory, Relations, Functions, Permutation and Combination, Probability, Graph Theory, Group Theory, Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Optimization
  13. Paper 2 | Unit 2 | Computer System Architecture: Logic Gates & Hardware, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Basics of COA, Register Transfer and Microoperations, Programming the Basic Computer, Instr Formats & Modes, Control Unit Design, Pipelining, Input Output Organisation, Cache Memory Organization, Multiprocessors
  14. Paper 2 | Unit 3 | Programming Languages and Computer Graphics: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, HTML Basics, XML, JavaScript-Basics, Java, Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, OOPS with C++, Java Fundamentals
  15. Paper 2 | Unit 4 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  16. Paper 2 | Unit 5 | System Software and Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  17. Paper 2 | Unit 6 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  18. Paper 2 | Unit 7 | Data Structures and Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  19. Paper 2 | Unit 8 | Theory of Computation and Compilers: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  20. Paper 2 | Unit 9 | Data Communication and Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security, Mobile Technology, Cloud Computing and IoT, Cloud Computing
  21. Paper 2 | Unit 10 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Fuzzy Sets, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  22. Live Classes: NTA UGC NET 2025 Live Class
  23. Paper 1 | Full Mock Tests:
  24. Paper 2 | Full Mock Tests:
  25. Paper 1 | Previous Year Papers:
  26. Paper 2 | Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video is a comprehensive tutorial on solving number and letter series problems, a common topic in competitive exams. The instructor, Yash Jain, begins by introducing the topic with a title card and then presents a series of practice questions. The first problem is a number series: 5, 7, 19, 31, 50, ?, which the instructor analyzes by calculating the differences between consecutive terms (2, 12, 12, 19) and identifying a pattern of increasing differences. The second problem is a 'pick the odd one out' question involving letter series: CADBE, JHKIL, XXYWZ, ONPMQ. The instructor explains the logic by analyzing the pattern of letter positions, identifying that the first three groups follow a 'letter-number-letter-number' pattern, while the last one does not. The third problem is a letter series: AD, CG, FK, JP, ___. The instructor breaks this down by analyzing the first and second letters of each pair separately, finding that the first letters (A, C, F, J) follow a pattern of adding 2, 3, 4, and the second letters (D, G, K, P) follow a pattern of adding 3, 4, 5, leading to the next term being OV. The final problem is another 'odd one out' question: BJO, YKL, VLI, SMF, ? with options A) QNB, B) PNB, C) RNC, D) PNC. The instructor analyzes the sum of the positions of the letters in each group, finding that the first three groups sum to 28, while the fourth sums to 26, and the correct answer must also sum to 28, which is option C) RNC. The video concludes with a 'Thanks for Watching' screen.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card for 'NUMBER SERIES & LETTER SERIES'. The instructor, Yash Jain, introduces the topic. The first problem presented is a number series: 'Find the next number in this series: 5, 7, 19, 31, 50, ?'. The instructor begins to analyze the pattern by calculating the differences between consecutive terms, writing down the differences as 2, 12, 12, 19 on the screen.

  2. 2:00 – 5:00 02:00-05:00

    The video transitions to a new problem: 'Pick the odd one out' with the options CADBE, JHKIL, XXYWZ, ONPMQ. The instructor explains the logic by analyzing the pattern of the letters. He identifies that the first three groups follow a 'letter-number-letter-number' pattern (e.g., C-A-D-B-E), while the last group, ONPMQ, does not follow this pattern, making it the odd one out. He also writes 'Kids -> letter series' and 'Men -> number' on the screen to illustrate the concept.

  3. 5:00 – 10:00 05:00-10:00

    The next problem is a letter series: AD, CG, FK, JP, ___. The instructor analyzes the pattern by breaking it into two parts. For the first letters (A, C, F, J), he calculates the differences: +2, +3, +4, indicating the next first letter should be J+5=O. For the second letters (D, G, K, P), he calculates the differences: +3, +4, +5, indicating the next second letter should be P+6=V. Therefore, the next term is OV. The instructor then presents the final problem: BJO, YKL, VLI, SMF, ? with options A) QNB, B) PNB, C) RNC, D) PNC. He analyzes the sum of the positions of the letters in each group: B(2)+J(10)+O(15)=27, Y(25)+K(11)+L(12)=48, V(22)+L(12)+I(9)=43, S(19)+M(13)+F(6)=38. He then realizes the pattern is the sum of the positions, and the first three groups sum to 28, while the fourth sums to 26. He calculates the sum for the options and finds that RNC (18+14+3=35) is incorrect. He then re-evaluates and finds that the correct pattern is the sum of the positions, and the correct answer is C) RNC, which sums to 28.

  4. 10:00 – 11:08 10:00-11:08

    The video concludes with a 'Thanks for Watching' screen. The instructor has solved all the problems, and the final answer for the last question is confirmed to be C) RNC. The video ends with a thank you message to the viewers.

The video provides a structured and methodical approach to solving number and letter series problems. It begins with a simple number series, demonstrating the technique of analyzing differences between terms. It then progresses to more complex letter series, teaching the student to break down the problem into its constituent parts (e.g., first letter, second letter) and identify the underlying pattern. The 'odd one out' questions are used to reinforce the concept of identifying a consistent rule and finding the one that deviates. The instructor's step-by-step analysis, supported by on-screen annotations, makes the problem-solving process clear and accessible for students preparing for competitive exams.

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