Important Practice Questions (Part 3)

Duration: 11 min

This video lesson is available to enrolled students.

Return to /learn/BPSC/part-2-primary-maths/series-number-and-letter-series-numerical-relations-and-reasoning/letter-or-alphabet-series/asset-important-practice-questions-part-3 after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Section 1 | भाषा (हिंदी) / Language (Hindi): भाषा, लिपि और वर्ण, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, पद-भेद और रूप-विकार, 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, शब्द-भंडार, अपठित बोध, बहुविषयक सामग्री (विभिन्न अवधारणाओं से संबंधित सामग्री), वर्णमाला
  3. Section 1 | اردو زبان / Language (Urdu) — 22 Questions (Fixed): رسم الخط، حروفِ تہجی اور املا, اسم، ضمیر اور صفت, الفاظ، محاورے اور ضرب الامثال, تفہیمِ عبارت، انشا اور ترجمہ, تفہیم
  4. Section 1 | বাংলা ভাষা / Language (Bengali) — 22 Questions (Fixed): শব্দার্থ, বাগধারা ও ভাষাশুদ্ধি, বাক্য ও বাচ্য, শব্দগঠন ও শব্দভান্ডার, অনুবাদ, বোধপরীক্ষণ ও রচনা
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Verbs and Tenses, Pronoun, Verb, Adverb, Prepositions and Conjunctions, Parts of Speech, Determiner, Conjunction, Modals, Transformation of Sentences, Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Structure and Common Errors, Reading Comprehension, Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning / प्राथमिक गणित एवं तर्कशक्ति: Ratio and Proportion / अनुपात और समानुपात, Divisibility Rules / विभाज्यता के नियम, Mixture and Alligation / मिश्रण और एलिगेशन, Permutation and Combination / क्रमचय और संचय, Number System / संख्या पद्धति, HCF and LCM / महत्तम समापवर्तक और लघुत्तम समापवर्त्य, Sequences, Series and Combinatorics / अनुक्रम, श्रेणी और संयोजन, Time, Speed and Distance / समय, चाल और दूरी, Series / श्रेणी, Coding-Decoding / कूट लेखन एवं कूट वाचन, Non-Verbal Reasoning / अशाब्दिक तर्क, Percentage / प्रतिशत, Average / औसत, Profit, Loss and Discount / लाभ, हानि और बट्टा, Simple and Compound Interest / साधारण और चक्रवृद्धि ब्याज, Time and Work / समय और कार्य, Solid Mensuration / घन क्षेत्रमिति, Age Problems / आयु संबंधी प्रश्न, Arithmetic / अंकगणित, Simplification, Indices and Surds / सरलीकरण, घातांक और करणी, Algebra / बीजगणित, Probability / प्रायिकता, Trigonometry / त्रिकोणमिति, Syllogisms / न्यायवाक्य, Seating Arrangement and Puzzles / बैठक व्यवस्था एवं पहेलियाँ, Blood Relations / रक्त संबंध, Direction and Distance / दिशा एवं दूरी, Analytical Reasoning (Counting Figures Reasoning) / विश्लेषणात्मक तर्क (आकृति गणना तर्क), Mathematical Operations and Missing Numbers / गणितीय संक्रियाएँ एवं लुप्त संख्या, Calendar and Clock / कैलेंडर एवं घड़ी, Clock / घड़ी, Cubes, Dice and Figure Counting / घन, पासा एवं आकृतियों की गिनती, Venn Diagrams, Syllogism and Inequalities / वेन आरेख, न्याय वाक्य एवं असमानता, Data Arrangement / आँकड़ों की व्यवस्था, Inequality / असमानता, Analogy and Classification / सादृश्यता एवं वर्गीकरण, Order and Ranking / क्रम एवं रैंकिंग, Sets, Relations, Functions and Discrete Mathematics / समुच्चय, संबंध, फलन और विविक्त गणित, Number Systems and Number Theory / संख्या पद्धति और संख्या सिद्धांत, Coordinate Geometry, Vectors and 3D Geometry / निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति, Polynomials, Equations and Complex Numbers / बहुपद, समीकरण और सम्मिश्र संख्याएँ
  7. Section 2 | General Awareness (GK + Current Affairs) / सामान्य जागरूकता (GK + समसामयिकी): Polity / राजव्यवस्था, Scientific Achievements and Research / वैज्ञानिक उपलब्धियाँ और अनुसंधान, Biology / जीव विज्ञान, State-Specific General Knowledge / राज्य विशेष सामान्य ज्ञान, Chemistry / रसायन विज्ञान, History / इतिहास, Geography / भूगोल, Indian Economy / भारतीय अर्थव्यवस्था, Environment / पर्यावरण, Current Affairs / समसामयिकी, Static General Knowledge / स्थैतिक सामान्य ज्ञान
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow 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
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): Computer Fundamentals, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications, Trade, Marketing and Consumer Protection / व्यापार, विपणन एवं उपभोक्ता संरक्षण, Cyber Safety and Security, Computer Software, Operating System, Computer Networks, Word Processing (MS Word), Terms & Abbreviations, Presentation Software (MS PowerPoint)
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References, OOPS with Java
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
  23. BPSC Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video is a comprehensive tutorial on solving number and letter series problems, a common topic in competitive exams. The instructor, Yash Jain, begins by introducing the topic with a title card and then presents a series of practice questions. The first problem is a number series: 5, 7, 19, 31, 50, ?, which the instructor analyzes by calculating the differences between consecutive terms (2, 12, 12, 19) and identifying a pattern of increasing differences. The second problem is a 'pick the odd one out' question involving letter series: CADBE, JHKIL, XXYWZ, ONPMQ. The instructor explains the logic by analyzing the pattern of letter positions, identifying that the first three groups follow a 'letter-number-letter-number' pattern, while the last one does not. The third problem is a letter series: AD, CG, FK, JP, ___. The instructor breaks this down by analyzing the first and second letters of each pair separately, finding that the first letters (A, C, F, J) follow a pattern of adding 2, 3, 4, and the second letters (D, G, K, P) follow a pattern of adding 3, 4, 5, leading to the next term being OV. The final problem is another 'odd one out' question: BJO, YKL, VLI, SMF, ? with options A) QNB, B) PNB, C) RNC, D) PNC. The instructor analyzes the sum of the positions of the letters in each group, finding that the first three groups sum to 28, while the fourth sums to 26, and the correct answer must also sum to 28, which is option C) RNC. The video concludes with a 'Thanks for Watching' screen.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card for 'NUMBER SERIES & LETTER SERIES'. The instructor, Yash Jain, introduces the topic. The first problem presented is a number series: 'Find the next number in this series: 5, 7, 19, 31, 50, ?'. The instructor begins to analyze the pattern by calculating the differences between consecutive terms, writing down the differences as 2, 12, 12, 19 on the screen.

  2. 2:00 – 5:00 02:00-05:00

    The video transitions to a new problem: 'Pick the odd one out' with the options CADBE, JHKIL, XXYWZ, ONPMQ. The instructor explains the logic by analyzing the pattern of the letters. He identifies that the first three groups follow a 'letter-number-letter-number' pattern (e.g., C-A-D-B-E), while the last group, ONPMQ, does not follow this pattern, making it the odd one out. He also writes 'Kids -> letter series' and 'Men -> number' on the screen to illustrate the concept.

  3. 5:00 – 10:00 05:00-10:00

    The next problem is a letter series: AD, CG, FK, JP, ___. The instructor analyzes the pattern by breaking it into two parts. For the first letters (A, C, F, J), he calculates the differences: +2, +3, +4, indicating the next first letter should be J+5=O. For the second letters (D, G, K, P), he calculates the differences: +3, +4, +5, indicating the next second letter should be P+6=V. Therefore, the next term is OV. The instructor then presents the final problem: BJO, YKL, VLI, SMF, ? with options A) QNB, B) PNB, C) RNC, D) PNC. He analyzes the sum of the positions of the letters in each group: B(2)+J(10)+O(15)=27, Y(25)+K(11)+L(12)=48, V(22)+L(12)+I(9)=43, S(19)+M(13)+F(6)=38. He then realizes the pattern is the sum of the positions, and the first three groups sum to 28, while the fourth sums to 26. He calculates the sum for the options and finds that RNC (18+14+3=35) is incorrect. He then re-evaluates and finds that the correct pattern is the sum of the positions, and the correct answer is C) RNC, which sums to 28.

  4. 10:00 – 11:08 10:00-11:08

    The video concludes with a 'Thanks for Watching' screen. The instructor has solved all the problems, and the final answer for the last question is confirmed to be C) RNC. The video ends with a thank you message to the viewers.

The video provides a structured and methodical approach to solving number and letter series problems. It begins with a simple number series, demonstrating the technique of analyzing differences between terms. It then progresses to more complex letter series, teaching the student to break down the problem into its constituent parts (e.g., first letter, second letter) and identify the underlying pattern. The 'odd one out' questions are used to reinforce the concept of identifying a consistent rule and finding the one that deviates. The instructor's step-by-step analysis, supported by on-screen annotations, makes the problem-solving process clear and accessible for students preparing for competitive exams.

Loading lesson…