Course module

Reasoning and Aptitude — UPPSC Computer Operator Grade B 2026

Lessons
730
Duration
113 hr 31 min
PYQs
239
Practice
10200

40% of this course's PYQ weight is covered in this module.

Syllabus index

Lessons in this module

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

Coding Decoding

Analogy

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

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

  1. SeriesDrm Video
  2. [Notes] SeriesPdf

Rule Detection (Logical Pattern Rules)

  1. Rule DetectionDrm Video
  2. [Notes] Rule DetectionPdf

Pattern Completion & Figure Completion

  1. Pattern CompletionDrm Video
  2. [Notes] Pattern CompletionPdf

Blood Relations

Directions (Direction Test)

Ranking, Order and Sequence

Logical Sequence Of Words

Seating Arrangements

Puzzle Solving (Puzzles)

Syllogisms

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

Data Sufficiency

Selection Decision Table (Decision Making)

Calendar

Formulas and High - Yield Questions

  1. Practice Questions & Short TricksDrm Video
  2. [Notes] Practice Questions & Short TricksPdf
  3. Practice Questions & Short TricksDrm Video
  4. [Notes] Practice Questions & Short Tricks 2Pdf
  5. Practice Questions & Short TricksDrm Video
  6. [Notes] Practice Questions & Short Tricks 3Pdf
  7. Important Practice Questions & Short TricksDrm Video
  8. [Notes] Important Practice Questions & Short TricksPdf
  9. Important Practice Questions & Short TricksDrm Video
  10. [Notes] Important Practice Questions & Short Tricks 2Pdf
  11. Important Practice Questions & Short TricksDrm Video
  12. [Notes] Important Practice Questions & Short Tricks 3Pdf
  13. Important Practice Questions & Short TricksDrm Video
  14. [Notes] Important Practice Questions & Short Tricks 4Pdf
  15. Quick Revision, Short Tricks & QuestionsDrm Video
  16. [Notes] Quick Revision, Short Tricks & QuestionsPdf

Clock

Cubes & Dices

Venn Diagram

Analytical Reasoning (Counting Figures Reasoning)

Number System

HCF LCM

Finding HCF

  1. Demo: Tricks for HCF by Inspection, HCF by Prime FactorizationStandard Video
  2. [Notes] Tricks for HCF by Inspection, HCF by Prime FactorizationPdf
  3. Demo: Trick to find HCF by Long Division MethodStandard Video
  4. [Notes] Trick to find HCF by Long Division MethodPdf
  5. Demo: Short Trick to find HCF by minimum difference methodStandard Video
  6. [Notes] Short Trick to find HCF by minimum difference methodPdf
  7. Short Trick to find HCF by using smallest elementDrm Video
  8. [Notes] Short Trick to find HCF by using smallest elementPdf
  9. An Important Property of HCF & LCM + Practice QuestionDrm Video
  10. [Notes] An Important Property of HCF & LCM + Practice QuestionPdf
  11. How to find HCF Quickly with the help of given optionsDrm Video
  12. [Notes] How to find HCF Quickly with the help of given optionsPdf
  13. Short Trick to find HCF of Big NumbersDrm Video
  14. [Notes] Short Trick to find HCF of Big NumbersPdf
  15. Short Trick to find HCF of more than 2 numbersDrm Video
  16. [Notes] Short Trick to find HCF of more than 2 numbersPdf
  17. Short Trick to find HCF using Co-Prime Numbers ConceptDrm Video
  18. [Notes] Short Trick to find HCF using Co-Prime Numbers ConceptPdf

Finding LCM

  1. What is a multiple What is LCM Find LCM by inspectionDrm Video
  2. [Notes] What is a multiple What is LCM Find LCM by inspectionPdf
  3. Short Trick to Find LCM in just 5 secondsDrm Video
  4. [Notes] Short Trick to Find LCM in just 5 secondsPdf
  5. Short Trick to find LCM using Division methodDrm Video
  6. [Notes] Short Trick to find LCM using Division methodPdf
  7. Short Trick to find LCM using Prime FactorizationDrm Video
  8. [Notes] Short Trick to find LCM using Prime FactorizationPdf
  9. Short Trick to find LCM using Co-Prime Numbers ConceptDrm Video
  10. [Notes] Short Trick to find LCM using Co-Prime Numbers ConceptPdf
  11. Short Trick to find LCM of more than 2 numbersDrm Video
  12. [Notes] Short Trick to find LCM of more than 2 numbersPdf
  13. Short Trick to find LCM of big numbersDrm Video
  14. [Notes] Short Trick to find LCM of big numbersPdf
  15. Short Trick to find LCM of 2 numbers when HCF is givenDrm Video
  16. [Notes] Short Trick to find LCM of 2 numbers when HCF is givenPdf

Divisibility Rules

Divisibility Rules for all Numbers

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

Percentage

Conversion Between Fractions (Ratio) & Percentages

  1. Demo: Basics of Percentages, Percentage - Fraction ConversionsStandard Video
  2. [Notes] Basics of Percentages, Percentage - Fraction ConversionsPdf
  3. Important Property, Trick to find 10 & 1 percent of any numberDrm Video
  4. [Notes] Important Property, Trick to find 10 & 1 percent of any numberPdf
  5. Short Tricks to Remember Ratio to Percentage Table Part 1Drm Video
  6. [Notes] Short Tricks to Remember Ratio to Percentage Table Part 1Pdf
  7. Short Tricks to Remember Ratio to Percentage Table Part 2Drm Video
  8. [Notes] Short Tricks to Remember Ratio to Percentage Table Part 2Pdf
  9. Short Tricks to Remember Ratio to Percentage Table Part 3Drm Video
  10. [Notes] Short Tricks to Remember Ratio to Percentage Table Part 3Pdf
  11. Short Tricks to Remember Ratio to Percentage Table Part 4Drm Video
  12. [Notes] Short Tricks to Remember Ratio to Percentage Table Part 4Pdf
  13. Practice Problems on Ratio to Percentage ConversionDrm Video
  14. [Notes] Practice Problems on Ratio to Percentage ConversionPdf
  15. Practice Problems on Percentage to Ratio ConversionDrm Video
  16. [Notes] Practice Problems on Percentage to Ratio ConversionPdf
  17. Question on Ratio to Percentage ConversionDrm Video
  18. [Notes] Question on Ratio to Percentage ConversionPdf

Ratio and Proportion (Ratios)

Average

Profit and Loss

Simple Interest and Compound Interest

Simple Interest – Applications

  1. Tricks & Questions on money becoming multiple times on SIDrm Video
  2. [Notes] Tricks & Questions on money becoming multiple times on SIPdf
  3. Questions on Extra Amount Received on Extra Interest RateDrm Video
  4. [Notes] Questions on Extra Amount Received on Extra Interest RatePdf
  5. Short Trick for Questions on Variable Rate of InterestDrm Video
  6. [Notes] Short Trick for Questions on Variable Rate of InterestPdf
  7. Short Trick for Questions on Difference in SIDrm Video
  8. [Notes] Short Trick for Questions on Difference in SIPdf
  9. Short Trick for Questions on Difference in AmountDrm Video
  10. [Notes] Short Trick for Questions on Difference in AmountPdf
  11. Questions on Principal Money Divided into PartsDrm Video
  12. [Notes] Questions on Principal Money Divided into PartsPdf
  13. Simple Interest Important Practice Questions (Set 2)Drm Video
  14. [Notes] Simple Interest Important Practice Questions (Set 2)Pdf

Time and Work

Speed Time and Distance

Average Speed

  1. Concept & Short Tricks to calculate AVERAGE SPEED (1)Drm Video
  2. [Notes] Concept & Short Tricks to calculate AVERAGE SPEED (1)Pdf
  3. Concept & Short Tricks to calculate AVERAGE SPEED (2)Drm Video
  4. [Notes] Concept & Short Tricks to calculate AVERAGE SPEED (2)Pdf
  5. Concept & Short Tricks to calculate AVERAGE SPEED (3)Drm Video
  6. [Notes] Concept & Short Tricks to calculate AVERAGE SPEED (3)Pdf
  7. Average - Short Tricks to Find Average SpeedDrm Video
  8. [Notes] Average - Short Tricks to Find Average SpeedPdf
  9. Important Practice Questions on AVERAGE SPEED (1)Drm Video
  10. [Notes] Important Practice Questions on AVERAGE SPEED (1)Pdf
  11. Important Practice Questions on AVERAGE SPEED (2)Drm Video
  12. [Notes] Important Practice Questions on AVERAGE SPEED (2)Pdf
  13. Important Practice Questions on AVERAGE SPEED (3)Drm Video
  14. [Notes] Important Practice Questions on AVERAGE SPEED (3)Pdf

Train Problems

  1. Concept of Relative Speed Required for Problem on TrainsDrm Video
  2. [Notes] Concept of Relative Speed Required for Problem on TrainsPdf
  3. Case 1_ Train Crossing a stationary pole, signal or manDrm Video
  4. [Notes] Case 1_ Train Crossing a stationary pole, signal or manPdf
  5. Case 2_ Train Crossing a Platform, Bridge or TunnelDrm Video
  6. [Notes] Case 2_ Train Crossing a Platform, Bridge or TunnelPdf
  7. Case 3_ Two Trains Crossing One Other(Opposite Direction)Drm Video
  8. [Notes] Case 3_ Two Trains Crossing One Other(Opposite Direction)Pdf
  9. Case 4_ Two Trains Crossing One Other (Same Direction)Drm Video
  10. [Notes] Case 4_ Two Trains Crossing One Other (Same Direction)Pdf
  11. Conventions To Solve Problems on Train + Tricky QuestionsDrm Video
  12. [Notes] Conventions To Solve Problems on Train + Tricky QuestionsPdf
  13. Short Trick To Solve Problem on StoppagesDrm Video
  14. [Notes] Short Trick To Solve Problem on StoppagesPdf
  15. Important Question & Short Trick on Train Problems (1)Drm Video
  16. [Notes] Important Question & Short Trick on Train Problems (1)Pdf
  17. Important Question & Short Trick on Train Problems (2)Drm Video
  18. [Notes] Important Question & Short Trick on Train Problems (2)Pdf
  19. Important Question & Short Trick on Train Problems (3)Drm Video
  20. [Notes] Important Question & Short Trick on Train Problems (3)Pdf

Mensuration and Geometry

Arithmetic

Mixture and Alligation

Alligation Rule (Core Concept + Two-Ingredient Mixture)

  1. What is Mixture & AlligationDrm Video
  2. [Notes] What is Mixture & AlligationPdf
  3. Where to apply Alligation Rule (Applications)Drm Video
  4. [Notes] Where to apply Alligation Rule (Applications)Pdf
  5. TCS Previous Year Question on Alligation RuleDrm Video
  6. [Notes] TCS Previous Year Question on Alligation RulePdf
  7. WIPRO Previous Year Question on Alligation RuleDrm Video
  8. [Notes] WIPRO Previous Year Question on Alligation RulePdf
  9. BANK PO & AMCAT Previous Year Question on Alligation RuleDrm Video
  10. [Notes] BANK PO & AMCAT Previous Year Question on Alligation RulePdf
  11. GATE Exam (Mechanical) Asked Question on Alligation RuleDrm Video
  12. [Notes] GATE Exam (Mechanical) Asked Question on Alligation RulePdf
  13. COGNIZANT & ACCENTURE Asked Questions on Alligation RuleDrm Video
  14. [Notes] COGNIZANT & ACCENTURE Asked Questions on Alligation RulePdf

Profit–Loss Based Alligation (Cost Price, Selling at CP, Fake Profit)

  1. Solving PROFIT & LOSS Questions Using Alligation RuleDrm Video
  2. [Notes] Solving PROFIT & LOSS Questions Using Alligation RulePdf
  3. Water mixed to a mixture & sold at CP to make profit (1)Drm Video
  4. [Notes] Water mixed to a mixture & sold at CP to make profit (1)Pdf
  5. Water mixed to a mixture & sold at CP to make profit (2)Drm Video
  6. [Notes] Water mixed to a mixture & sold at CP to make profit (2)Pdf
  7. Water mixed to a mixture & sold at CP to make profit (3)Drm Video
  8. [Notes] Water mixed to a mixture & sold at CP to make profit (3)Pdf
  9. Selling item in 2 parts with given profit% or loss% (1)Drm Video
  10. [Notes] Selling item in 2 parts with given profit% or loss% (1)Pdf
  11. Selling item in 2 parts with given profit% or loss% (2)Drm Video
  12. [Notes] Selling item in 2 parts with given profit% or loss% (2)Pdf
  13. Selling item in 2 parts with given profit% or loss% (3)Drm Video
  14. [Notes] Selling item in 2 parts with given profit% or loss% (3)Pdf

Age Problems

Data Interpretation

Previous-year questions

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