Demo: Types of Series, Question Types, Pre-requisites
Duration: 14 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- About the Course: About the Course
- Section 1 | Language (Hindi): 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
- Section 1 | Language (उर्दू भाषा — 22 प्रश्न (निश्चित)): رسم الخط، حروفِ تہجی اور املا / Script, Alphabet and Spelling, اسم، ضمیر اور صفت / Nouns, Pronouns and Adjectives, الفاظ، محاورے اور ضرب الامثال / Vocabulary, Idioms and Proverbs, تفہیمِ عبارت، انشا اور ترجمہ / Comprehension, Writing and Translation, Comprehension
- Section 1 | Language (বাংলা / बांग्ला भाषा — 22 प्रश्न (निश्चित)): শব্দার্থ, বাগধারা ও ভাষাশুদ্ধি / Meaning, Idioms and Correct Usage, বাক্য ও বাচ্য / Sentences and Voice, শব্দগঠন ও শব্দভান্ডার / Word Formation and Vocabulary, অনুবাদ, বোধপরীক্ষণ ও রচনা / Translation, Comprehension and Composition
- Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Verbs and Tenses, Pronoun, Verb, Adverb, Prepositions and Conjunctions, Parts of Speech, Determiner, Conjunction, Modals, Transformation of Sentences, Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Structure and Common Errors, Reading Comprehension, Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
- Section 2 | Primary Maths & Reasoning: अनुपात और समानुपात / Ratio and Proportion, Divisibility Rules, मिश्रण और एलिगेशन / Mixture and Alligation, Permutation and Combination, संख्या पद्धति / Number System, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, Sequence and Series (Series), समय, चाल और दूरी / Time, Speed and Distance, श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, अशाब्दिक तर्क / Non-Verbal Reasoning, 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, घन क्षेत्रमिति / Solid Mensuration, Age Problems, Arithmetic, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, Algebra, Probability, Trigonometry, Syllogisms, बैठक व्यवस्था एवं पहेलियाँ / Seating Arrangement and Puzzles, रक्त संबंध / Blood Relations, दिशा एवं दूरी / Direction and Distance, Analytical Reasoning (Counting Figures Reasoning), 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, 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, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers
- Section 2 | General Awareness (GK + Current Affairs): Polity, वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Biology, राज्य विशेष सामान्य ज्ञान / State-Specific General Knowledge, Chemistry, History, Geography, Indian Economy, Environment, समसामयिकी / Current Affairs, Static General Knowledge
- Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
- Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
- Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
- Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow 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
- Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
- Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
- Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): कंप्यूटर के मूल सिद्धांत / Computer Fundamentals, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications, व्यापार, विपणन एवं उपभोक्ता संरक्षण / Trade, Marketing and Consumer Protection, साइबर सुरक्षा / Cyber Safety and Security, कंप्यूटर सॉफ़्टवेयर / Computer Software, ऑपरेटिंग सिस्टम / Operating System, कंप्यूटर नेटवर्क / Computer Networks, वर्ड प्रोसेसिंग (MS Word) / Word Processing (MS Word), Terms & Abbreviations, प्रेज़ेंटेशन (MS PowerPoint) / Presentation Software (MS PowerPoint)
- Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
- Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
- Section 3 | Java: Java Fundamentals, Array, String, IO & References, OOPS with Java
- Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
- Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
- Section 3 | Multimedia: Multimedia
- BPSC Previous Year Papers:
- BPSC Full Mock Tests:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This educational video introduces the concept of Number and Letter Series, emphasizing their role in competitive exams like CAT, XAT, and government services. The instructor categorizes series into four main types: Number, Alpha-numeric, Alphabet, and Letter. The lesson progresses through specific problem-solving techniques for each category, including identifying wrong terms in letter sequences and recognizing repeating patterns in symbol series. A significant portion is dedicated to outlining essential mathematical pre-requisites, such as memorizing squares up to 50, cubes up to 20, multiplication tables, and prime numbers, which are foundational for solving these problems efficiently.
Chapters
0:00 – 2:00 00:00-02:00
The video opens with a visual introduction to Number and Letter Series, displaying geometric shapes forming alphabet letters. The instructor presents an immediate challenge: a number puzzle sequence 5, 7, 12, 19, 31, 50. The slide explicitly asks viewers to 'Find the Next Number in this series'. This segment establishes the topic's visual nature and sets an engaging tone by presenting a concrete problem before theoretical explanation. The on-screen text identifies the instructor as 'YASH JAIN SIR' and labels the section 'NUMBER SERIES - LETTER SERIES'. The instructor gestures while explaining, indicating an interactive teaching style focused on immediate problem engagement.
2:00 – 5:00 02:00-05:00
The instructor transitions to the rationale for studying this topic, using a slide titled 'Why Study This Topic?' featuring an image of a confused child. A comprehensive list of competitive exams appears, including CAT, XAT, CMAT, SNAP, NMAT, MAT, and IIFT. Red checkmarks sequentially appear next to each exam name as the instructor explains their relevance. The slide emphasizes that this topic serves as a tool to check mental levels and improve logic building ability without relying on specific formulas or tricks. The text also expands to include Placements, Government Exams, Civil Services, Banking, and Railway Exams. This section establishes the broad applicability of series problems across various high-stakes testing environments.
5:00 – 10:00 05:00-10:00
The lesson moves into the classification of series problems using a flowchart that divides them into Number, Alphabet, Alpha-numeric, and Letter types. Specific examples are highlighted for each: '4, 7, 12, 19' for Number series and 'A, E, F, J' for Alphabet series. The instructor writes a specific number sequence problem '4 7 13 19' on the screen to demonstrate pattern analysis. The segment then shifts focus to Letter Series, presenting a problem: 'AV, CU, DT, GS, IR, KQ'. The instructor guides the viewer to identify the wrong term in this sequence. Through step-by-step analysis of letter positions and differences, 'DT' is identified as the incorrect term. The slide lists multiple-choice options A: AV, B: CU, C: IR, D: DT.
10:00 – 14:19 10:00-14:19
The final segment addresses Symbol Series and essential mathematical pre-requisites. A symbol series question asks 'What comes next?' in a pattern of shapes with inner squares. The instructor demonstrates identifying a repeating cycle of four distinct shapes: square, diamond, oval, and circle. By numbering the cycle 1 to 4, the next term is determined as the second item in the sequence. The video concludes with a 'Pre-requisites' slide listing critical knowledge: Squares of 1 to 50 (or 100), Cubes of 1 to 20 (or 40), Tables of 1 to 30 (or 50), and Prime numbers from 1 to 200 (or 500). A detailed grid of squares from 1 to 50 is shown as a reference tool. The video ends with a 'THANKS FOR WATCHING' screen, summarizing the foundational skills needed for series problem-solving.
The video provides a structured introduction to series problems, moving from engagement through classification to specific problem-solving and foundational requirements. The teaching flow begins with a direct puzzle to capture interest, followed by an explanation of the topic's utility in competitive exams like CAT and government services. The core instructional content classifies series into four distinct types: Number, Alphabet, Alpha-numeric, and Letter. Each type is illustrated with concrete examples, such as the sequence '4, 7, 12, 19' for numbers and 'AV, CU, DT...' for letters. The instructor demonstrates analytical methods, such as identifying wrong terms in letter sequences and recognizing repeating cycles in symbol series. A critical component of the lesson is the emphasis on mathematical pre-requisites, specifically memorizing squares up to 50, cubes up to 20, multiplication tables, and prime numbers. This highlights that success in series problems relies heavily on quick mental calculation and pattern recognition rather than complex formulas. The progression from general concepts to specific examples and finally to required foundational knowledge creates a comprehensive overview for students preparing for competitive exams.