Find the next term (Important Questions)

Duration: 9 min

This video lesson is available to enrolled students.

Return to /learn/LTI-MINDTREE-PREPARATION/logical-ability/series-number-and-letter-series-numerical-relations-and-reasoning/number-series/asset-find-the-next-term-important-questions after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. English Comprehension/Verbal Ability: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Vocabulary, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Subject Verb Agreement (Verb Noun Agreement), Tenses, Verb, Articles, Preposition, Conjunction, Pronoun, Noun, Adjectives, Adverb, Modals, Cloze Test (Cloze Passage), Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Construction
  2. Logical Ability: Coding Decoding, Directions (Direction Test), Analogy, Inequality, Data Sufficiency, Series (Number and Letter Series) (Numerical Relations and Reasoning), Syllogisms, Seating Arrangements, Puzzle Solving (Puzzles), Blood Relations, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Ranking, Order and Sequence, Logical Sequence Of Words, Data Arrangement, Venn Diagram, Calendar, Clock
  3. Quantitative Ability: Logarithm, Permutation and Combination, Probability, Profit and Loss, Speed Time and Distance, Mixture and Alligation, Partnership, Simple Interest and Compound Interest, Percentage, Ratio and Proportion (Ratios), Average, Time and Work, Pipe and Cistern, Number System, Divisibility Rules, HCF LCM, Algebra, Powers and Exponents (Surds and Indices), Mensuration and Geometry, Age Problems, Data Interpretation, Sequence and Series (Series)
  4. Basic Analytical Ability: Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Selection Decision Table (Decision Making)
  5. Computer Programming: Pseudo Codes, Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir
  6. DBMS (Computer Science): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Transaction Management, Concurrency Control, Database Security & Authorization
  7. SQL (Computer Science): SQL
  8. OS (Computer Science): Introduction to OS, Process Management, CPU Scheduling, Deadlock, Process Synchronization, Threads & Process Creation, Memory Management, Virtual Memory, File Management
  9. Computer Networks (Computer Science): 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, Hardware basics, Network Security
  10. Data Structures (Computer Science): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. OOPs (Computer Science): Object Oriented Programming (OOPS)
  12. Software Engineering (Computer Science): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  13. SVAR Conversational - Spoken English: Communication Assessment
  14. HR Interview: MR & HR Interview Preparation
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The lecture introduces number and letter series problem-solving, beginning with a title slide for 'Number Series - Letter Series' and a puzzle: 5, 7, 12, 19, 31, 50, ?. The instructor then presents a 'Success Mantra' slide emphasizing a three-step process for exam success, repeatedly writing the word 'Practice' and drawing arrows to each step. The main practice section focuses on 'Find the next term' questions, displaying six number series with a 90-second time limit. The instructor solves the first series (30, 34, 43, 59, 84, 120) by identifying differences as consecutive squares (2², 3², 4², 5², 6², 7²), yielding the next term as 120 + 49 = 169. The second series (9, 18, 54, 108, 324) uses alternating multipliers (×2, ×3), giving the next term as 324 × 2 = 648. A third series (43, 38, 31, 22, 11, -2) involves subtraction with decreasing differences. Later problems include a series with alternating operations (17, 98, 26, 89, 35), a multiplication series (3.25, 6.5, 19.5, 78, 390) using multipliers ×2, ×3, ×4, ×5, and a difference series (14, 30, 52, 80, 114) where first differences are 16, 22, 28, 34 and second differences are constant at +6, leading to the next term 154. 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 slide reading 'NUMBER SERIES - LETTER SERIES' and presents the puzzle 'Find the Next Number in this series: 5, 7, 12, 19, 31, 50, ?'. It then transitions to a 'SUCCESS MANTRA' slide titled 'The 3 Step Process To Get 100% Success In Any Exam'. The instructor writes the word 'Practice' on the left and draws red arrows from it to each of three numbered steps, repeating 'Practice' above steps 2 and 3 to emphasize that practice is required at every stage. The on-screen text 'TRIED & TESTED' reinforces the reliability of this approach.

  2. 2:00 – 5:00 02:00-05:00

    A 'Questions' slide appears with the type 'Find the next term', listing six number series on an orange background, including 30, 34, 43, 59, 84, 120; 9, 18, 54, 108, 324; and 43, 38, 31, 22, 11, -2. A handwritten '90 sec' time limit is added to encourage speed. The instructor isolates the first series and calculates differences: 4, 9, 16, 25, 36, 49, identifying them as consecutive squares (2² through 7²), so the next term is 120 + 49 = 169. The second series (9, 18, 54, 108, 324) is annotated with alternating multipliers ×2 and ×3, giving the next term as 324 × 2 = 648. The third series (43, 38, 31, 22, 11, -2) is introduced with a noted difference of 5.

  3. 5:00 – 8:44 05:00-08:44

    The instructor continues with additional series. A problem involving 17, 98, 26, 89, 35 is presented with alternating operations. A multiplication series (3.25, 6.5, 19.5, 78, 390) is solved using increasing multipliers ×2, ×3, ×4, ×5, yielding the next term as 390 × 6 = 2340. A difference series (14, 30, 52, 80, 114) is analyzed: first differences are 16, 22, 28, 34, and second differences show a constant +6 pattern. The next first difference is 40, giving the next term as 114 + 40 = 154. The video ends with a 'THANKS FOR WATCHING' screen.

The lecture teaches systematic approaches to 'Find the next term' number series problems. Key methods include: (1) computing first differences and recognizing patterns such as consecutive squares; (2) identifying alternating multiplication factors like ×2, ×3; and (3) using second-order differences when first differences form an arithmetic sequence. The instructor emphasizes time management with a 90-second limit and reinforces that consistent practice across all three steps of the success process is essential. Worked examples demonstrate each pattern type clearly, providing a reusable framework for exam preparation.

Loading lesson…