Category 3 Find Day on a Particular Date

Duration: 13 min

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Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. Section A: General Awareness: Polity, Physics, Biology, Chemistry, Static General Knowledge, History, Geography, Indian Economy, GK- Current Affairs, Evolution of Indian Banking (Banking & Financial Awareness), Environment
  3. Section A: General Intelligence & Reasoning ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Blood Relations, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Directions (Direction Test), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Crypt Arithmetic, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, TCS NQT Advanced Reasoning Ability
  4. Section A: Arithmetical & Numerical Ability: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, Mensuration and Geometry, Powers and Exponents (Surds and Indices), Algebra, Probability, Mental Ability, Age Problems, Partnership, Statistics, Arithmetic, Speed Mathematics and Basic Mathematics, Miscellaneous
  5. Section A: English Language & Comprehension: Vocabulary, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Articles, Sentence Construction, Preposition, Direct and Indirect Speech, Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Modals, Active Passive Voice (Voice), Sentence Correction (Error Correction), Adverb, Conjunction, Cloze Test (Cloze Passage)
  6. Section A: Hindi Language & Comprehension: भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, विशेषण और क्रिया, 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, मुहावरे और लोकोक्तियाँ, अपठित गद्यांश और अपठित पद्यांश, Multi-Topic Content (Cross-Concept Material), वर्णमाला
  7. Section B: Programming, Data Structures, OOP & Java: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Language Design, Intro to Compilers, Visual Basics, Syntax Analysis: Bottom-Up, Object Oriented Technology
  8. Section B: Computer Networks, TCP/IP & Network Security: Introduction to CN, Data Communication, DLL: Flow Control, DLL: Access 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, Network Access Technologies, Network Security, Society, Law & Ethics, Mobile Computing, Net Layer:Routing Protocol, Cyber Safety and Security
  9. Section B: Teaching Methodology: Child Development, Concept of Pedagogy, Theories, Inclusive Education, Experiential Pedagogy, Assessment & Evaluation, Curriculum Framework & Reforms, National Education Policy (NEP) 2020, Psychology, Teaching-Learning Process, Personality Development, Teaching Methods & Strategies, Learning and Motivation, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Nature, Objectives & Characteristics of Teaching, Teaching-Learning Aids & ICT Integration, Classroom Management & Communication, Evaluation, Assessment & Measurement, Curriculum & School Environment, Inclusive Education & Special Needs, Professional Development & Ethics
  10. Section B: Digital Electronics / Boolean Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Analog-Digital Conversion
  11. Section B: Operating Systems & Linux: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, File Management, Disc Scheduling, Unix OS, Linux OS, Distributed Systems, Windows OS
  12. Section B: Data Base Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, File Organization & Indexing, Transaction Management, Concurrency Control, Database Security & Authorization, Database Recovery, Data Warehousing & Mining
  13. Section B: Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, HTML Basics, CSS, Emerging Technologies, JavaScript-Basics, .Net Programming, Electronic Data Interchange and E-Commerce, XML
  14. Section B: Computer Fundamentals, IT Basics & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design, Programming the Basic Computer, Terms & Abbreviations, MS Office Applications, Instr Formats & Modes, Floating Point Rep, Artificial Intelligence, साइबर सुरक्षा / Cyber Safety and Security, कंप्यूटर सॉफ़्टवेयर / Computer Software, ऑपरेटिंग सिस्टम / Operating System, वर्ड प्रोसेसिंग (MS Word) / Word Processing (MS Word), कंप्यूटर नेटवर्क / Computer Networks, प्रेज़ेंटेशन (MS PowerPoint) / Presentation Software (MS PowerPoint)
  15. Section B: Python Language: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  16. Section B: Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management, extras, Fundamentals of Systems and Information Systems
  17. Section B: Design & Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  18. Section B: Mathematics: Linear Algebra, Calculus, Trigonometry, Vectors, Set Theory, Functions, Relations, Propositional and Predicate Logic, Research Process Steps, Graph Theory, Number System & Place Value, Factors, Multiples, Divisibility, HCF & LCM, Mensuration — Perimeter, Area, Surface Area, Volume, Data Handling, Graphs & Probability, Coordinates & Graphs, Higher Mathematics — Trigonometry, Quadratics, Polynomials, Progressions, Statistics, Logarithms, समतल क्षेत्रमिति / Plane Mensuration, प्रतिचयन / Sampling
  19. Section B: Computer Graphics, Multimedia & Mobile Computing: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, Multimedia
  20. Section B: Emerging Trends: Emerging Tech Trends, Knowledge Representation, Natural Language Processing, Marketing and Consumer Studies
  21. DSSSB Previous Year Paper:
  22. Business Studies and Management: Business Communication, Business Organization and Management, Financial Accounting, Business Economics, Management Information System (MIS), Knowledge Management & New Economy
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video is a lecture on solving calendar-based problems, a common topic in quantitative aptitude for IT company placements. The instructor, Yash Jain Sir from Knowledge Gate Educator, begins by introducing the concept of finding the day of the week for a given date, using the example of 1st October 2010 being a Monday to find the day for 25th June 2015. He categorizes these problems into four types: (a) Month and Year Same, Date Different; (b) Date and Month Same, Year Different; (c) Date and Year Same, Month Different; and (d) All three different. The main focus is on the third category, where the date and year are the same but the month changes. To solve this, he introduces a method using a 2019 calendar to count the number of odd days between the two months. He demonstrates this by counting the days from January to November 2019, noting that the number of days in each month is either 31 or 30, and that the total number of days from January to November is 334. He then explains that 334 days is equivalent to 47 weeks and 2 days, meaning the day of the week advances by 2 days. The video then presents a specific problem: if 23rd March 2015 is a Tuesday, what day is 23rd November 2015? The instructor applies the same method, counting the days from March to November, which is 244 days, or 34 weeks and 6 days. Since 244 mod 7 = 6, the day advances by 6 days from Tuesday, resulting in Monday. The video concludes with a similar problem from Wipro, where 16th January 1992 is a Monday, and the task is to find the day for 16th December 1992, reinforcing the method for a leap year.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title slide showing a calendar and the word 'CALENDAR'. The instructor, Yash Jain Sir, introduces the topic of calendar problems, which are frequently asked in IT company placements. He presents a sample problem: '1st October 2010 → Monday, 25th June 2015 → ???'. He then outlines four categories of such problems, with the first two being 'a) Month and Year Same, Date Different' and 'b) Date and Month Same, Year Different'. The on-screen text clearly labels these categories and provides examples for each.

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues to explain the four categories of calendar problems. He introduces category 'c) Date and Year Same, Month Different', which is the focus of the current lesson. He provides an example: '1st October 2010 → Monday, 1st December 2010 → ???'. He then transitions to a method for solving this type of problem, which involves counting the number of days between the two months. He displays a 2019 calendar and begins to count the days from January to November, explaining that the number of days in each month is either 31 or 30, and that the total number of days from January to November is 334.

  3. 5:00 – 10:00 05:00-10:00

    The instructor continues to demonstrate the method for solving calendar problems. He explains that 334 days is equivalent to 47 weeks and 2 days, meaning the day of the week advances by 2 days. He then presents a specific problem from Accenture: 'Suppose if there is Tuesday on 23rd March 2015, then find day on 23rd November 2015?'. He applies the same method, counting the days from March to November, which is 244 days. He explains that 244 days is 34 weeks and 6 days, so the day advances by 6 days from Tuesday. He writes 'Tuesday + 6 days = Monday' on the screen, concluding that 23rd November 2015 is a Monday.

  4. 10:00 – 13:16 10:00-13:16

    The instructor presents a final problem from Wipro: '16th January 1992 → Monday, 16th December 1992 → ???'. He explains that 1992 is a leap year, which affects the number of days in February. He uses the same method of counting days from January to December, noting that the total number of days is 366. He explains that 366 days is 52 weeks and 2 days, so the day of the week advances by 2 days. He writes 'Monday + 2 days = Wednesday' on the screen, concluding that 16th December 1992 is a Wednesday. The video ends with a 'Thanks for Watching' screen.

The video provides a comprehensive, step-by-step guide to solving calendar problems, a key skill for quantitative aptitude tests. The core of the lesson is a practical method for finding the day of the week when the date and year are the same but the month changes. The instructor systematically breaks down the problem into manageable steps: identifying the category, counting the number of days between the months, calculating the number of odd days (the remainder when divided by 7), and then advancing the day of the week by that number of days. The use of a 2019 calendar as a visual aid makes the counting process clear. The lesson is reinforced with multiple worked examples, including one from Accenture and one from Wipro, demonstrating the method's application to both ordinary and leap years. The progression from a general concept to specific, real-world problems ensures a solid understanding of the technique.

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