Demo: Tricks to Remember Alphabet to Number Mapping

Duration: 15 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Paper-1 & 2 | Basic Numeracy: अनुपात और समानुपात / Ratio and Proportion, Divisibility Rules, 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, घन क्षेत्रमिति / Solid Mensuration, Age Problems, Arithmetic, Statistics, Probability, लाभ, हानि और बट्टा / Profit, Loss and Discount, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, Partnership, Speed Mathematics and Basic Mathematics, Algebra, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, समय और कार्य / Time and Work, Pipe and Cistern, RSSB Specific Videos - Basic Numeracy, 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
  3. Paper-1 & 2 | Data Interpretation: आँकड़ा निर्वचन / Data Interpretation
  4. Paper-1 & 2 | General Mental Ability: Mental Ability, RSSB Specific Videos - Mental Ability
  5. Paper-1 & 2 | Logical Reasoning and Analytical Ability: श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, Data Sufficiency, अशाब्दिक तर्क / Non-Verbal Reasoning, 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, सादृश्यता एवं वर्गीकरण / Analogy and Classification, क्रम एवं रैंकिंग / Order and Ranking, कथन आधारित तार्किक विवेचन / Statement-Based Reasoning, Data Arrangement, वर्णमाला एवं संख्या परीक्षण / Alphabet and Number Test, Crypt Arithmetic
  6. Paper-1 & 2 | Decision Making and Problem Solving: आँकड़ों की पर्याप्तता एवं निर्णय क्षमता / Data Sufficiency and Decision Making
  7. Paper-1 | General Science: वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Biology, Chemistry, RSSB Specific Videos
  8. Paper-1 | General Awareness: राज्य विशेष सामान्य ज्ञान / State-Specific General Knowledge, समसामयिकी / Current Affairs
  9. Paper - 2 | Digital Logic Systems: Digital Systems & Boolean Basics, Logic Gates & Hardware, Combinational Circuit, Sequential Circuits
  10. Paper-2 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Calculus, Relational Algebra, SQL, NoSQL
  11. Paper-2 | Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Algorithm Analysis, Sorting Algorithms, Intro to Compilers, Hashing
  12. Paper 2 | Data Communication and Network Security: Introduction to CN, Data Communication, Data Link Layer - Ethernet, DLL: Error Control, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware basics, Network Security, Ethical Hacking
  13. Paper-2 | Operating Systems: Introduction to OS, Process Management, Memory Management, File Management, Deadlock
  14. Paper-2 | Computer Organization and Architecture: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer, Number System, Number Representation
  15. Paper 2 | System Analysis and Design: Fundamentals of Systems and Information Systems, Fundamentals of Software Engineering, SDLC and Development Approaches, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Security, Risk Management & Maintenance, Software Testing
  16. Paper-2 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Paper 2 | OOPS , C++ , JAVA: Language Design, OOPS with C++, Java, .Net Programming, Java Fundamentals
  18. Paper 2 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  19. Emerging Trends and AI: Emerging Tech Trends, कंप्यूटर के मूल सिद्धांत / Computer Fundamentals, व्यापार, विपणन एवं उपभोक्ता संरक्षण / Trade, Marketing and Consumer Protection
  20. Paper-2 | Data Processing (Ms-Office): MS Office Applications, कंप्यूटर सॉफ़्टवेयर / Computer Software, ऑपरेटिंग सिस्टम / Operating System, वर्ड प्रोसेसिंग (MS Word) / Word Processing (MS Word), प्रेज़ेंटेशन (MS PowerPoint) / Presentation Software (MS PowerPoint)
  21. Paper-2 | Internet and Web Technologies: HTML Basics, CSS, XML, JavaScript-Basics, Internet Fundamentals, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, Terms & Abbreviations, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, साइबर सुरक्षा / Cyber Safety and Security, कंप्यूटर नेटवर्क / Computer Networks
  22. Paper 2 | Pedagogy: वृद्धि और विकास / Growth and Development, विकास के सिद्धांत / Theories of Development, Concept of Pedagogy, समावेशी शिक्षा / Inclusive Education, Experiential Pedagogy, आकलन और मूल्यांकन / Assessment and Evaluation, संज्ञानात्मक प्रक्रियाएँ / Cognitive Processes, समाजीकरण और जेंडर / Socialisation and Gender, National Education Policy (NEP) 2020
  23. Live Classes: RSSB Live Sessions
  24. Paper 1 - Full Mock Tests:
  25. Paper 2 - Full Mock Tests:
  26. BCI Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video provides a comprehensive guide to solving alphabetic and alphanumeric series problems by establishing a foundational mapping between letters (A-Z) and numbers (1-26). The instructor begins by introducing the 'Back To Basics' approach, demonstrating how to convert letters into their numerical equivalents to identify arithmetic patterns. A primary example involves the sequence F, L, R, where the instructor shows that converting these to numbers (6, 12, 18) reveals a consistent addition of six or multiplication by two. The lesson then transitions into advanced memory techniques, utilizing mnemonics to help students recall specific letter-number associations without rote memorization. These tricks often rely on phonetic links, cultural references, and visual cues in Hindi, such as linking 'F' to 6 via the phrase "Fix Six" or associating 'G' with 7 through the "Group of Seven Countries." The video systematically covers mappings from A to Z, with a heavy emphasis on difficult-to-remember pairs like L=12 and M=13. Finally, the instructor applies these concepts to alphanumeric series problems, combining letter values with numerical sequences to solve complex puzzles.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with an introduction to Number Series and Letter Series, establishing the core concept of mapping alphabets to numbers. The instructor displays a visual grid showing letters A through Z aligned with their numerical positions 1 to 26. This foundational step is labeled as a 'Back To Basics' approach. A specific problem, F L R __, is presented to demonstrate the initial method of solving alphabetic series. The instructor highlights that letters can be converted into numbers to reveal hidden arithmetic patterns, setting the stage for more complex problem-solving techniques.

  2. 2:00 – 5:00 02:00-05:00

    The instructor solves the F L R __ problem by converting letters to numbers (6, 12, 18). Two distinct patterns are identified: an arithmetic progression where six is added to each term (+6), and a geometric progression involving multiplication by two. The instructor demonstrates that applying the +6 rule to 18 yields 24, which corresponds to the letter X. Visual cues include arrows indicating progression and handwritten notes showing the calculation steps. The segment emphasizes that recognizing these numerical relationships is key to solving alphabetic series efficiently.

  3. 5:00 – 10:00 05:00-10:00

    This section introduces mnemonic tricks to memorize specific letter-number mappings. The instructor uses visual associations and wordplay, such as linking 'F' to 6 with the phrase "Fix Six" and 'G' to 7 via the "Group of Seven Countries." The lesson progresses through H (8) and I (9), using structural observations and phonetic links like "I Know." Cultural references are introduced for K (11), involving a Hindi phrase about bullets in J&K. The instructor circles specific numbers on the alphabet grid to reinforce these associations, making abstract numerical values concrete through memorable stories and phrases.

  4. 10:00 – 14:31 10:00-14:31

    The final segment extends mnemonic techniques to letters L through V, utilizing Hindi phrases for retention. Examples include 'L' (12) linked to a story about boys and girls, and 'M' (13) associated with the phrase "Mein Tera." The instructor explains 'N' (14) using a date reference and groups O, R, S with the acronym 'ORS' for ages 15-19. Red handwritten annotations highlight pairs like U (21) with "A KISS" and W (23). The video concludes by introducing an Alpha-Numeric Series problem, combining these letter values with numerical sequences to test comprehensive understanding.

The video effectively bridges basic arithmetic series concepts with advanced memory techniques to solve alphabetic and alphanumeric problems. The teaching progression moves from direct conversion methods, where students map letters to numbers to find patterns like +6 or x2, to mnemonic strategies that reduce cognitive load. Key evidence includes the F L R X example demonstrating dual pattern recognition and the extensive use of Hindi phrases for letter-number associations. The instructor's reliance on visual aids, such as circled grids and arrows, reinforces the connection between abstract letters and concrete numbers. This approach ensures students can tackle both standard series problems and complex alphanumeric puzzles by mastering the underlying A=1 to Z=26 mapping.

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