Short Tricks to Remember Ratio to Percentage Table Part 1

Duration: 9 min

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Module outline

  1. Paper 1 | Reasoning Test: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Puzzle Solving (Puzzles), Venn Diagram, Analogy, Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Selection Decision Table (Decision Making), Logical Sequence Of Words, Cubes & Dices, Analytical Reasoning (Counting Figures Reasoning), Calendar, Alphabet and Word Tests, Numerical Reasoning, Number System, Averages, Mixtures and Alligation, Percentages, Series Completion, Analogy and Classification, Patterns in Two-Dimensional Figures, Coding and Decoding, Mathematical Operations, Direction Sense, Algebra, Logical Deduction and Induction, Syllogisms and Venn Diagrams, Critical Reasoning, Order, Ranking and Sequence, Reading Comprehension, Profit, Loss and Discount, Constraint Puzzles, Speed, Time and Distance, Traverse Surveying, Ratio and Proportion, Time and Work, Mensuration, Permutations and Combinations, Clocks and Calendars, Data Interpretation, Assembling and Grouping of Shapes, Transformation of Shapes, Three-Dimensional Patterns and Visualization, Cubes and Dice, Vocabulary, Blood Relations, Data Sufficiency
  2. Paper 1 | Numerical Analysis: Number System, HCF LCM, Percentage, Ratio and Proportion (Ratios), Average, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Algebra, Statistics, Data Interpretation, Mental Ability, Arithmetic, Logarithm, Profit and Loss, Simple Interest and Compound Interest, Speed Time and Distance, Mixture and Alligation, Mensuration and Geometry, Permutation and Combination, Probability, Sequences and Series, Powers, Surds and Logarithms, Subject-Verb Agreement, Sentence Completion, Geometry, Sentence Structure and Correction, Data Sufficiency, Trigonometry, Measurement and Quantity Take-Off, Signal Space and Optimum Detection, Probability, Statistics, Algebra, Time and Work, Speed, Time and Distance, Data Interpretation, Graph Theory, Combinatorics
  3. Paper 1 | General Knowledge: State Wise GK, History, Geography, GK- Current Affairs, Static General Knowledge, Polity, Indian Economy
  4. Paper 1 | DBMS: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control, Relational Calculus, Database Security & Authorization, Database Recovery
  5. Paper 1 | Data Communication & Network: 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, Network Security, Security in Mobile and Wireless Computing, Input Output Organisation, File Management, Hardware Basics, Terms & Abbreviations, Protocols & Services, Network Access Technologies, Cyber Safety and Security, Basics of COA
  6. Paper 2 | System Analysis & Design: Fundamentals of Systems and Information Systems, SDLC and Development Approaches, Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, Security, Risk Management & Maintenance, extras
  7. Paper 2 | Programming Language (Java): Java Fundamentals, OOPS with Java, Array, String, IO & References, Generic & Collections, Multithreading, Java, Miscellaneous, Control Flow, OOPS with C++, Stack, C Fundamentals, Arrays & Pointers, Object Oriented Technology, Control Flow & Looping, Introduction to Python
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video, presented by Yash Jain, serves as a comprehensive guide to converting ratios into percentages. The lecture begins with an introduction to the topic, followed by a detailed breakdown of a "RATIO TO PERCENTAGE TABLE". The instructor systematically explains how to derive percentage values for common fractions, emphasizing memorization techniques for powers of 2 and other significant denominators. The visual aids include a chalkboard-style presentation and a structured table listing fractions from 1/1 down to 1/37, alongside their precise percentage equivalents. The instructor uses board writing to demonstrate calculation steps, such as multiplying fractions by 100, and highlights specific patterns to aid student retention for competitive exams. The video is designed to help students quickly recall percentage values without performing long division during tests.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card reading "PERCENTAGE" featuring falling dice, transitioning to a chalkboard slide titled "PERCENTAGES - By YASH JAIN". The instructor introduces the core concept using a "RATIO TO PERCENTAGE TABLE". He demonstrates the fundamental conversion method by writing "1/1 x 100" and "1/3 x 100" on the board. He explicitly calculates 1/3 as 100/3, resulting in 33.33%. The table lists key ratios: 1/1 (100%), 1/2 (50%), 1/3 (33.33%), 1/4 (25%), 1/5 (20%), 1/8 (12.5%), 1/16 (6.25%), and 1/32 (3.125%). He circles the powers of 2 to emphasize the halving pattern. The table has two columns: "RATIO" and "CORRESPONDING PERCENTAGE".

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues analyzing the table, focusing on the relationship between fractions and their percentage values. He writes "1/6 = 16.67%" and "1/7 = 14.2857%" on the board to show non-terminating decimals. He highlights the reciprocal relationship between 1/9 and 1/11, writing "9 <-> 11" and circling 1/9 (11.11%) and 1/11 (9.09%). He also discusses 1/12, writing "1/12 = 8.33%" and noting that 1/8 is 12.50%. The visual focus remains on the table, with the instructor circling specific entries like 1/8, 1/9, 1/11, and 1/12 to reinforce their importance. He uses arrows to connect related values.

  3. 5:00 – 8:59 05:00-08:59

    The final segment covers a list of less common fractions found in the table. The visible entries include 1/25 (4%), 1/26 (3.84%), 1/27 (3.70%), 1/28 (3.56%), 1/29 (3.42%), 1/30 (3.33%), and 1/37 (2.70%). The instructor explains that 1/25 equals 4% because 100 divided by 25 is exactly 4. He briefly mentions the values for 1/27 and 1/37. The lecture concludes with a black screen displaying "THANKYOU FOR WATCHING" in orange and white text. The table continues to list fractions like 1/25, 1/26, 1/27, 1/28, 1/29, 1/30, and 1/37. The instructor points to these values to ensure students note them down for future reference.

The lesson progresses logically from basic fractions to more complex ones, building a reference table for quick mental math. By starting with powers of 2 and moving to prime denominators, the instructor provides a structured approach to mastering percentage conversions. The use of visual cues like circling and board writing reinforces key values, making the content accessible for exam preparation. The video effectively bridges the gap between theoretical calculation and practical memorization, ensuring students have a robust toolkit for solving percentage problems efficiently.

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