Short Tricks to Remember Ratio to Percentage Table Part 2

Duration: 11 min

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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 lecture, presented by Yash Jain Sir from Knowledge Gate Eduventures, focuses on the topic of Percentages, specifically teaching students how to convert ratios into percentages. The lesson is structured around a comprehensive 'Ratio to Percentage Table' displayed on screen. The instructor systematically guides viewers through common fractions, starting from basic values like 1/1 and 1/2, progressing to more complex fractions like 1/13, 1/17, and up to 1/25. The visual content includes a static table with two columns: 'RATIO' and 'CORRESPONDING PERCENTAGE'. Throughout the video, the instructor uses a digital whiteboard to write down specific conversions, circle key values, and demonstrate calculation methods, such as multiplying by 100. The lecture emphasizes memorization of these standard conversions for competitive exam preparation.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video begins with an animated title card displaying the word 'PERCENTAGE' in bold black letters above falling blue dice marked with percentage symbols. It transitions to a chalkboard-style intro screen with the text 'PERCENTAGES - By YASH JAIN' and a small graph icon. The instructor appears in a small window in the bottom right corner. The main content starts with a slide titled 'RATIO TO PERCENTAGE TABLE'. The table lists fundamental ratios and their percentage equivalents: 1/1 equals 100%, 1/2 equals 50%, 1/3 equals 33.33%, 1/4 equals 25%, 1/5 equals 20%, 1/8 equals 12.5%, 1/16 equals 6.25%, and 1/32 equals 3.125%. The instructor introduces these basic conversions as essential knowledge for the topic.

  2. 2:00 – 5:00 02:00-05:00

    The lesson progresses to a new section of the table focusing on fractions with denominators 13 through 16. The slide displays 1/13 as 7.7%, 1/14 as 7.14%, 1/15 as 6.67%, and 1/16 as 6.25%. The instructor writes '1/13 -> 7.7%' on the whiteboard area to reinforce the value. He also writes '13th Feb' and '14th Feb' with an arrow, likely using a date-based mnemonic to help students remember the sequence or values. He circles the '7.7%' value in the table to highlight its importance. The instructor continues to explain the values for 1/14 and 1/15, ensuring students understand the decimal approximations required for these specific ratios.

  3. 5:00 – 10:00 05:00-10:00

    The table expands to include ratios from 1/17 down to 1/25. The visible values are 1/17 = 5.88%, 1/18 = 5.55%, 1/19 = 5.22%, and 1/20 = 5.00%. The instructor writes '1/20 x 100 = 5%' on the board to demonstrate the calculation method. The table further lists 1/21 = 4.74%, 1/22 = 4.54% [or 4.56%], 1/23 = 4.34%, 1/24 = 4.14% [or 4.16%], and 1/25 = 4%. The instructor writes '1/22 = 4.56%' and '1/24 = 4.16%' on the board, explaining the rounding or alternative values. He circles the percentages for 1/22 and 1/24, emphasizing the slight variations in approximation. The instructor gestures towards the table, guiding the viewer through the sequence of decreasing percentages as the denominator increases.

  4. 10:00 – 11:15 10:00-11:15

    The video concludes with a final review of the bottom rows of the table, specifically focusing on 1/25 which equals 4%. The instructor circles the '4%' value to mark the end of the sequence. He summarizes the key takeaways from the table, reinforcing the memorization of these specific percentage conversions. The screen then transitions to a black background with the text 'THANKYOU FOR WATCHING' in orange and white letters, signaling the end of the lecture. The instructor remains visible in the corner until the final slide appears.

The lecture provides a structured approach to mastering percentage conversions by memorizing a specific table of ratios. It begins with basic fractions like halves and quarters, moves to more complex thirds and fifths, and then systematically covers fractions from 1/13 to 1/25. The instructor uses visual aids, including a static table and handwritten notes on a digital whiteboard, to reinforce the values. Key techniques include circling important numbers and writing out calculations like '1/20 x 100' to show the derivation. The progression from simple to complex fractions helps students build a comprehensive reference guide for competitive exams.

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