Short Tricks to Remember Ratio to Percentage Table Part 1

Duration: 9 min

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Module outline

  1. Language Skills (English): Vocabulary, Verbal Analogy (Word Based Analogy), Noun, Pronoun, Verb, Adjectives, Adverb, Preposition, Articles, Conjunction, Tenses, Modals, Subject Verb Agreement (Verb Noun Agreement), Determiner, Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage)
  2. General Aptitude (Quantitative Ability): Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, Speed Time and Distance, Mixture and Alligation, Age Problems, Partnership, Number System, HCF LCM, Divisibility Rules, Powers and Exponents (Surds and Indices), Algebra, Data Interpretation, Statistics, Sequence and Series (Series), Logarithm, Arithmetic, Speed Mathematics and Basic Mathematics
  3. General Aptitude (Reasoning Ability): Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Syllogisms, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Inequality, Logical Sequence Of Words, Seating Arrangements, Puzzle Solving (Puzzles), Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Cubes & Dices, Venn Diagram, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Analytical Reasoning (Counting Figures Reasoning), Clock, Calendar, Data Sufficiency, Analogy
  4. Technical Skills MCQ - Data Structure: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  5. Technical Skills MCQ - Networking: 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, Application Layer, Mobile Technology, Network Security
  6. Technical Skills MCQ - Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, File Management, Windows OS, Linux OS, Security, Virtual Machines
  7. Technical Skills MCQ - DBMS: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control, Database Recovery, Database Security & Authorization, NoSQL
  8. Technical Skills MCQ - Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  9. Technical Skills MCQ - Cloud Computing: Emerging Tech Trends, Cloud Computing and IoT
  10. Technical Skills MCQ - Cyber Security: Cyber and Info Security, Security in Mobile and Wireless Computing
  11. Technical Skills (Coding): Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir, Object Oriented Programming (OOPS)
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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