Course module

अन्य कौशल / Other Skills — 20 प्रश्न (निश्चित) — Bihar STET 2026 Paper I Science

साझा 20 प्रश्नों का भाग: गणितीय योग्यता, तार्किक तर्कशक्ति, सामान्य ज्ञान व समसामयिकी और पर्यावरण विज्ञान। / Shared 20-question part: mathematical aptitude, logical reasoning, GK & current affairs and environmental science.

Explore the module outline and lessons below. Enroll free to begin studying here.

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Lessons
767
Duration
—
PYQs
0
Practice
7928

Syllabus index

Lessons in this module

Number System

HCF LCM

Divisibility Rules

Divisibility Rules for all Numbers

  1. [Notes] Divisibility Rules of 2, 3 and 4Pdf
  2. [Notes] Divisibility Rules of 5, 6 and 7Pdf
  3. [Notes] Divisibility Rules of 8, 9, 10 and 11Pdf
  4. [Notes] Divisibility Rules of 11, 12 and 13Pdf
  5. [Notes] Amazing Short Trick for Divisibility of 7 and 13Pdf
  6. [Notes] All Divisibility Rules of 13 in a single videoPdf
  7. [Notes] Divisibility Rules of 14 and 15Pdf
  8. [Notes] Divisibility Rules of 16Pdf
  9. [Notes] Divisibility Rules of 17 and 18Pdf
  10. [Notes] Divisibility Rules of 19Pdf
  11. [Notes] Divisibility Rules of 20, 21, 22 and 23Pdf
  12. [Notes] Divisibility Rules of 24, 25 and 26Pdf
  13. [Notes] Divisibility Rules of 27Pdf
  14. [Notes] Divisibility Rules of 28, 29, 30 and 31Pdf
  15. [Notes] Divisibility Rules of 37, 41 and 43Pdf
  16. [Notes] Short Trick to remember divisibility rules from 11 to 50Pdf
  17. [Notes] Divisibility Rules of Important Numbers From 31 to 1000Pdf

Properties of Divisibility

  1. [Notes] Properties of DivisibilityPdf

Percentage

Ratio and Proportion (Ratios)

Average

Average of Arithmetic Series, Squares, and Cubes

  1. [Notes] Average of Arithmetic Series, Squares, CubesPdf

Effect on Average by Arithmetic Operations

  1. [Notes] Effect on Average by Arithmetic OperationsPdf

Weighted Average, Combined / Mixture Average Problems

  1. [Notes] Weighted Average - Concept & Short TricksPdf

Profit and Loss

Time and Work

Individual Work and Combined Work Problems

  1. [Notes] Short Tricks for Alone & Combined WorkPdf

Efficiency Ratio and Comparative Work Rate

  1. [Notes] Tricks for Comparision Based QuestionsPdf

Mensuration and Geometry

Basic Concepts and Geometric Terminology

  1. [Notes] Triangle & Circle, Basic Concepts & FormulasPdf

3D Mensuration (Solid Figures)

  1. [Notes] 3D Geometry - Part 1Pdf

Simple Interest and Compound Interest

Installments and Debt-Related Problems

  1. [Notes] Short Trick to solve Debt Related ProblemsPdf

Speed Time and Distance

Proportionality and Constant Variable Concepts

  1. [Notes] What happens when Speed or Distance or Time is constantPdf

Age Problems

Mixture and Alligation

Application-Based Problems (Population, Students, Males/Females, Distribution)

  1. [Notes] Finding number of males & females using alligation rulePdf

Algebra

Factorization & Simplification

  1. [Notes] Some Example QuestionsPdf

Powers and Exponents (Surds and Indices)

Rationalization of Surds

  1. [Notes] Surds and Indices Part 3Pdf

Comparing & Simplifying Complex Powers

  1. [Notes] Surds and Indices Part 4Pdf

Pipe and Cistern

Basic Concepts, Formulas and Terminology

  1. [Notes] Pipes & CisternsPdf

Trigonometry

Compound Angle and Transformation Formula

  1. [Notes] Sum and Difference FormulaPdf

Heights and Distances

  1. [Notes] Height and DistancePdf

Statistics

Introduction & Types of Data

  1. [Notes] Basic ConceptsPdf

Mean, Median, and Mode for grouped data

  1. [Notes] Advance ConceptsPdf

Data Interpretation

Arithmetic

Series (Number and Letter Series) (Numerical Relations and Reasoning)

Coding Decoding

Language Translation Coding (Chinese Coding) (Sentence Based Coding)

  1. [Notes] Type 5.1 Important Practice QuestionsPdf
  2. [Notes] Type 5.2 Important Practice QuestionsPdf

Pair, Group, Relationship-Based and Miscellaneous Coding

  1. [Notes] Some Important Miscellaneous ProblemsPdf

Analogy

Basic Concept of Analogy

  1. [Notes] AnalogyPdf

Blood Relations

Directions (Direction Test)

Ranking, Order and Sequence

Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning)

Image Analysis and Rotation Problems

  1. [Notes] Image AnalysisPdf

Grouping, Assembling and Shape Construction

  1. [Notes] Group of ImagesPdf
  2. [Notes] Shape ConstructionPdf

Dot Situation Problems

  1. [Notes] Dot SituationPdf

Series & Pattern Recognition (Patterns in 2D) (Symbol Series)

  1. [Notes] SeriesPdf

Classification (Odd-One-Out)

  1. [Notes] ClassificationPdf

Embedded and Hidden Figures

  1. [Notes] Embedded ImagesPdf

Figure Matrix (Figure Analogy)

  1. [Notes] Figure MatrixPdf

Rule Detection (Logical Pattern Rules)

  1. [Notes] Rule DetectionPdf

Pattern Completion & Figure Completion

  1. [Notes] Pattern CompletionPdf

Seating Arrangements

Syllogisms

Venn Diagram

Basic Concepts and Terminologies

  1. [Notes] Concepts, Short Tricks & QuestionsPdf

Puzzle Solving (Puzzles)

Logical Sequence Of Words

Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning)

Statement and Arguement

  1. [Notes] Statement & ArgumentPdf

Statement and Assumption

  1. [Notes] Statement & AssumptionPdf

Statement and Course of Action

  1. [Notes] Statement & Course of ActionPdf

Analytical Reasoning (Counting Figures Reasoning)

Counting Straight Lines or Intersecting Lines

  1. [Notes] Straight Lines Counting TricksPdf

Cubes & Dices

Painted & Cut Cube Problems, Rotation & Comparison of Dice

  1. [Notes] Painted & Cut Cube ProblemsPdf
  2. [Notes] DicePdf

Calendar

Clock

History

History Video Lectures

  1. [Notes] History Video LecturesPdf

Geography

Physical Geography - Earth Structure & Landforms

  1. [Notes] Geological Structure of IndiaPdf
  2. [Notes] Movement of the Indian PlatePdf
  3. [Notes] Major Geological Divisions of IndiaPdf
  4. [Notes] The Peninsular BlockPdf
  5. [Notes] Geological Composition & Tectonic StabilityPdf
  6. [Notes] Rivers And DrainagePdf
  7. [Notes] The Himalayas and Other Peninsular MountainsPdf
  8. [Notes] LandformsPdf
  9. [Notes] The Indo-Ganga-Brahmaputra PlainPdf
  10. [Notes] Important Terms And MeaningPdf
  11. [Notes] PhysiographyPdf
  12. [Notes] Overall Physical Characteristics Of IndiaPdf
  13. [Notes] Major Physiographic Divisions of IndiaPdf
  14. [Notes] The Northern and North-Eastern MountainsPdf
  15. [Notes] DimensionsPdf
  16. [Notes] The Northern PlainsPdf
  17. [Notes] Division (From North To South)Pdf
  18. [Notes] Characteristic LandformsPdf
  19. [Notes] Meaning of Hard TermsPdf
  20. [Notes] The Peninsular PlateauPdf
  21. [Notes] Outer Extent of the Peninsular PlateauPdf
  22. [Notes] General FeaturesPdf
  23. [Notes] Divisions of Peninsular PlateauPdf
  24. [Notes] The Deccan PlateauPdf
  25. [Notes] Western GhatsPdf
  26. [Notes] Eastern GhatsPdf
  27. [Notes] The Central HighlandsPdf
  28. [Notes] Slope and RiversPdf
  29. [Notes] The Northern PlateauPdf
  30. [Notes] Divisions of Meghalaya PlateauPdf
  31. [Notes] The Indian DesertPdf
  32. [Notes] The Coastal plainsPdf
  33. [Notes] The IslandsPdf
  34. [Notes] Bay of Bengal IslandsPdf
  35. [Notes] Arabian Sea IslandsPdf
  36. [Notes] Types of Sand DunesPdf
  37. [Notes] Physical Geography - Earth Structure & LandformsPdf
  38. [Notes] QuestionsPdf
  39. [Notes] MCQPdf

Water Bodies & Drainage Systems

  1. [Notes] Drainage SystemPdf
  2. [Notes] Perennial and Ephemeral Rivers & Direction of flow of RiversPdf
  3. [Notes] Key Drainage Terms & Relationship between River Basin and WatershedPdf
  4. [Notes] Classification of Indian Drainage systemPdf
  5. [Notes] Classification Based on Origin and NaturePdf
  6. [Notes] Drainage Systems of IndiaPdf
  7. [Notes] The Himalayan Drainage SystemPdf
  8. [Notes] Landforms and CharacteristicsPdf
  9. [Notes] Dismemberment (Breaking-Up) Of Indo-Brahma RiverPdf
  10. [Notes] Tributaries in DetailPdf
  11. [Notes] The Brahmaputra SystemPdf
  12. [Notes] Extent of Usability of River WaterPdf
  13. [Notes] Causes of River PollutionPdf
  14. [Notes] Important Drainage PatternsPdf
  15. [Notes] Namami Gange ProgrammePdf
  16. [Notes] River Yamuna & its Drainage StatesPdf
  17. [Notes] Important River Interlinking and Diversion SchemesPdf
  18. [Notes] Water Bodies & Drainage SystemsPdf
  19. [Notes] Practice QuestionPdf
  20. [Notes] Practice Question 2Pdf

Indian Geography - Core Static

  1. [Notes] What is Longitude and LatitudePdf
  2. [Notes] Territorial LimitsPdf
  3. [Notes] Geographical ExtentPdf
  4. [Notes] Reason for difference in North- South and East-West DistancePdf
  5. [Notes] Latitude and its EffectsPdf
  6. [Notes] Longitudinal Extend and Time DifferencePdf
  7. [Notes] Indian Standard Time (IST)Pdf
  8. [Notes] India's Size In World ContextPdf
  9. [Notes] Sequence of Events and ConceptsPdf
  10. [Notes] Size of India and its Physical DiversityPdf
  11. [Notes] India's Boundaries and Natural BarriersPdf
  12. [Notes] The Indian SubcontinentPdf
  13. [Notes] Mountain Passes and ConnectivityPdf
  14. [Notes] Regional Identity of the SubcontinentPdf
  15. [Notes] Physical Variations Across IndiaPdf
  16. [Notes] Peninsular India and CoastlinePdf
  17. [Notes] India and its NeighboursPdf
  18. [Notes] Overcoming Physical Barriers in Modern TimesPdf
  19. [Notes] Measurement Units of Distance on Land and SeaPdf
  20. [Notes] Indian Standard Time (IST) and Standard MeridianPdf
  21. [Notes] Time zones and Global PracticePdf
  22. [Notes] Do you Remember - School Bhuvan NCERT PortalPdf
  23. [Notes] Gulf vs StraitPdf
  24. [Notes] India Shares Land Boundaries with Seven CountriesPdf
  25. [Notes] Location of IndiaPdf
  26. [Notes] Mainland and Island TerritoriesPdf
  27. [Notes] Major States and CapitalsPdf
  28. [Notes] Strategic PositionsPdf
  29. [Notes] Location of India in the Eastern WorldPdf
  30. [Notes] Standard Meridian of India & India's Global ConnectivityPdf
  31. [Notes] Strategic Maritime Importance & Neighbouring Countries and Water BodiesPdf
  32. [Notes] Indian Geography - Core StaticPdf
  33. [Notes] MCQPdf
  34. [Notes] MCQsPdf
  35. [Notes] QuestionsPdf

Resources & Economic Geography

  1. [Notes] Resources & Economic GeographyPdf

Polity

Union, Territory & Constitutional Structure

  1. Polity [Notes] Union, Territory & Constitutional StructurePdf

Indian Economy

Nature of Economy – Mixed, Developing, Federal, Open Structure

  1. [Notes] Nature of Economy – Mixed, Developing, Federal, Open StructurePdf

Basics of Economy – GDP, GNP, NNP, PCI: Definitions & Examples

  1. [Notes] Basics of Economy – GDP, GNP, NNP, PCI Definitions & ExamplesPdf

Basics of Economy – Post-1991 LPG Reforms & Economic Transition

  1. [Notes] Basics of Economy – Post-1991 LPG Reforms & Economic TransitionPdf

Industrial Sector – Make in India, PLI & Atmanirbhar Bharat

  1. [Notes] Industrial Sector – Make in India, PLI & Atmanirbhar BharatPdf

Industrial Sector – MSME Policies & Financing

  1. [Notes] Industrial Sector – MSME Policies & FinancingPdf

Fiscal Policy & Budget – GST & Tax Structure

  1. [Notes] Goods & Service TaxPdf

Banking & Financial System – PMJDY, Mudra, Microfinance

  1. [Notes] Banking & Financial System – PMJDY, Mudra, MicrofinancePdf

Planning & Economic Reforms – Five-Year Plans to NITI Aayog

  1. [Notes] Planning & Economic Reforms – Five-Year Plans to NITI AayogPdf

Employment & Labour – Types of Unemployment

  1. [Notes] Employment & Labour – Types of UnemploymentPdf

Poverty & Inequality – Poverty Line (Tendulkar, Rangarajan)

  1. [Notes] Poverty & Inequality – Poverty Line (Tendulkar, Rangarajan)Pdf

Population & Urbanisation – Census 2011, Sex Ratio, Dependency Ratio

  1. [Notes] Population & Urbanisation – Census 2011, Sex Ratio, Dependency RatioPdf

Population & Urbanisation – Migration & Urban Growth

  1. [Notes] Population & Urbanisation – Migration & Urban GrowthPdf

Multi-Topic Content (Cross-Concept Material)

  1. [Notes] Multi-Topic Content (Cross-Concept Material)Pdf

GK- Current Affairs

Daily Current Affairs

  1. 03_10_26 Current AffairsPdf
  2. 02_10_26 Current AffairsPdf
  3. 01_10_26 Current AffairsPdf
  4. 30_09_26 Current AffairsPdf
  5. 29_09_26 Current AffairsPdf
  6. 28_09_26 Current AffairsPdf
  7. 27_09_26 Current AffairsPdf
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  20. 14_09_26 Current AffairsPdf
  21. 13_09_26 Current AffairsPdf
  22. 12_09_26 Current AffairsPdf
  23. 10_09_26 Current AffairsPdf
  24. 09_09_26 Current AffairsPdf
  25. 08_09_26 Current AffairsPdf
  26. 07_09_26 Current AffairsPdf
  27. 06_09_26 Current AffairsPdf
  28. 05_09_26 Current AffairsPdf
  29. 04_09_26 Current AffairsPdf
  30. 03_09_26 Current AffairsPdf
  31. 02_09_26 Current AffairsPdf
  32. 01_09_26 Current AffairsPdf
  33. 31_08_26 Current AffairsPdf
  34. 30_08_26 Current AffairsPdf
  35. 29_08_26 Current AffairsPdf
  36. 28_08_26 Current AffairsPdf
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  50. 14_08_26 Current AffairsPdf
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  52. 12_08_26 Current AffairsPdf
  53. 11_08_26 Current AffairsPdf
  54. 10_08_26 Current AffairsPdf
  55. 09_08_26 Current AffairsPdf
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  57. 07_08_26 Current AffairsPdf
  58. 06_08_26 Current AffairsPdf
  59. 05_08_26 Current AffairsPdf
  60. 04_08_26 Current AffairsPdf
  61. 03_08_26 Current AffairsPdf
  62. 02_08_26 Current AffairsPdf
  63. 01_08_26 Current AffairsPdf
  64. 31_07_26 Current AffairsPdf
  65. 30_07_26 Current AffairsPdf
  66. 29_07_26 Current AffairsPdf
  67. 28_07_26 Current AffairsPdf
  68. 27_07_26 Current AffairsPdf
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  70. 25_07_26 Current AffairsPdf
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  81. 14_07_26 Current AffairsPdf
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  83. 12_07_26 Current AffairsPdf
  84. 11_07_26 Current AffairsPdf
  85. 10_07_26 Current AffairsPdf
  86. 09_07_26 Current AffairsPdf
  87. 08_07_26 Current AffairsPdf
  88. 07_07_26 Current AffairsPdf
  89. 06_07_26 Current AffairsPdf
  90. 05_07_26 Current AffairsPdf
  91. 04_07_26 Current AffairsPdf
  92. 03_07_26 Current AffairsPdf
  93. 02_07_26 Current AffairsPdf
  94. 01_07_26 Current AffairsPdf
  95. 30_06_26 Current AffairsPdf
  96. 29_06_26 Current AffairsPdf
  97. 28_06_26 Current AffairsPdf
  98. 27_06_26 Current AffairsPdf
  99. 26_06_26 Current AffairsPdf
  100. 25_06_26 Current AffairsPdf
  101. 24_06_26 Current AffairsPdf
  102. 23_06_26 Current AffairsPdf
  103. 22_06_26 Current AffairsPdf
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  105. 20_06_26 Current AffairsPdf
  106. 19_06_26 Current AffairsPdf
  107. 18_06_26 Current AffairsPdf
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  110. 15_06_26 Current AffairsPdf
  111. 14_06_26 Current AffairsPdf
  112. 13_06_26 Current AffairsPdf
  113. 12_06_26 Current AffairsPdf
  114. 11_06_26 Current AffairsPdf
  115. 10_06_26 Current AffairsPdf
  116. 09_06_26 Current Affairs (1)Pdf
  117. 08_06_26 Current AffairsPdf
  118. 07_06_26 Current AffairsPdf
  119. 06_06_26 Current AffairsPdf
  120. 05_06_26 Current AffairsPdf
  121. 04_06_26 Current AffairsPdf
  122. 03_06_26 Current AffairsPdf
  123. 02_06_26 Current AffairsPdf
  124. 01_06_26 Current AffairsPdf

Scientific Discoveries & Innovations – Breakthroughs & Key Findings

  1. [Notes] Inventions and DiscoveriesPdf

Government Portals & Digital Initiatives – New Launches & E-Governance

  1. [Notes] Government Portals & Digital PlatformsPdf

Static General Knowledge

Global Bodies – UN, WHO, IMF, World Bank, WTO, UNESCO, BRICS, G20, SAARC

  1. [Notes] International OrganisationsPdf

Books & Authors – Wings of Fire, Why Bharat Matters, Truth, White Tiger

  1. [Notes] Important Books & AuthorsPdf

Awards & Honours – Bharat Ratna, Padma Awards, Nobel, Oscars, Booker

  1. [Notes] Miscellaneous GK 02- Awards, Books, Sports, Wildlife NPPdf
  2. [Notes] AwardsPdf

Sports Highlights – Olympics, ICC, Asian Games,Tennis,Football, Hockey

  1. [Notes] Sports HighlightsPdf

Important Days – Republic Day, Independence Day, Gandhi Jayanti, WED

  1. [Notes] Important DaysPdf

Currencies & Capitals – USD, GBP, Yen, Rupee, Yuan of Major Nations

  1. [Notes] Countries, Capitals & CurrenciesPdf

National Parks – Corbett, Kaziranga, Ranthambore, Gir, Sundarbans

  1. [Notes] National Parks, Wildlife & EnvironmentPdf

Airports & Ports – IGI Delhi, Mumbai Port, Chennai Port, Hirakud Dam

  1. [Notes] Ports & Power PlantsPdf

Science & Tech – Chandrayaan-3, Aditya-L1, Gaganyaan, Quantum, 5G

  1. [Notes] National Quantum MissionPdf
  2. [Notes] ISROPdf
  3. [Notes] DRDOPdf

Defence Exercises – Malabar, Varuna, Cold Start & Quad Maritime Drills

  1. [Notes] Miscellaneous GK 03-Defence and Military Exercises, HQs, Science, etc.Pdf

Multi-Topic Content (Cross-Concept Material)

  1. [Notes] Miscellaneous GK 04 - Defence and NewsPdf

Coal Sector in India: CIL, Coal Types, Coalfields, Mining & Sustainable Development

  1. [Notes] Coal Sector in IndiaPdf

National Bodies – RBI, SEBI, NABARD, NITI Aayog, ECI, CAG, UPSC etc.

  1. [Notes] National OrganisationsPdf

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