Course module

Paper-1 | Quantitative Aptitude — Coal India Management Trainee (CS) Recruitment 2026

Lessons
552
Duration
80 hr 57 min
PYQs
41
Practice
3604

4% of this course's PYQ weight is covered in this module.

Syllabus index

Lessons in this module

Ratio and Proportion (Ratios)

Mixture and Alligation

Basic Concepts and Weighted Average

  1. Demo: What is Covered in this TopicStandard Video
  2. [Notes] What is Covered in this TopicPdf
  3. Demo: Pre-requisite required to understand Mixture & AlligationStandard Video
  4. [Notes] Pre-requisite required to understand Mixture & AlligationPdf
  5. Demo: Concept of Weighted Average & its role in AlligationsStandard Video
  6. [Notes] Concept of Weighted Average & its role in AlligationsPdf
  7. In mixture litres, the ratio of milk and water IfQuestion
  8. If lit. mixture contains milk and water in the ratioQuestion
  9. Vessel contains litres of pure acid. From this vessel, mLQuestion
  10. Litres of mixture contains alcohol and rest water. If litresQuestion
  11. Liter of mixture contains alcohol and rest water. If literQuestion
  12. Trader bought bag of kg of basmati rice at Rs.125Question
  13. Beaker contains liters of alcohol. On first day, liters ofQuestion
  14. Beaker has of wine and second beaker contains with capacityQuestion
  15. Milkman buys litres of milk from dairy at the costQuestion
  16. Vessel contains liters mixture of milk and water in theQuestion
  17. Milkman has an 80-liter mixture of milk and water whichQuestion
  18. Solution is percent liquid and percent water. If kilograms ofQuestion

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

Permutation and Combination

Permutations (with & without Repetition)

  1. Demo: Permutations with No RepetitionStandard Video
  2. [Notes] Permutations with No RepetitionPdf
  3. Demo: Permutations with Unlimited RepetitionsStandard Video
  4. [Notes] Permutations with Unlimited RepetitionsPdf
  5. Permutations with Limited RepetitionsDrm Video
  6. [Notes] Permutations with Limited RepetitionsPdf
  7. Tricks to Solve The Famous MISSISSIPPI Problem in P&CDrm Video
  8. [Notes] Tricks to Solve The Famous MISSISSIPPI Problem in P&CPdf
  9. Vowels & Consonants Type Questions in P&CDrm Video
  10. [Notes] Vowels & Consonants Type Questions in P&CPdf
  11. Tricks to Solve Questions on Arrangement of LettersDrm Video
  12. [Notes] Tricks to Solve Questions on Arrangement of LettersPdf
  13. Tricks to Solve Questions on Arrangement of Digits (1)Drm Video
  14. [Notes] Tricks to Solve Questions on Arrangement of Digits (1)Pdf
  15. Tricks to Solve Questions on Arrangement of Digits (2)Drm Video
  16. [Notes] Tricks to Solve Questions on Arrangement of Digits (2)Pdf

Special Applied Problems

  1. Tricks to Solve Questions on Binary StringsDrm Video
  2. [Notes] Tricks to Solve Questions on Binary StringsPdf
  3. Trick for Sum of all numbers formed from given digitsDrm Video
  4. [Notes] Trick for Sum of all numbers formed from given digitsPdf
  5. Finding Rank of a Word (Concept + Short Trick)Drm Video
  6. [Notes] Finding Rank of a Word (Concept + Short Trick)Pdf
  7. Question on Finding Rank of a Word Without RepetitionDrm Video
  8. [Notes] Question on Finding Rank of a Word Without RepetitionPdf
  9. Short Trick to Find Rank of a Word With RepetitionsDrm Video
  10. [Notes] Short Trick to Find Rank of a Word With RepetitionsPdf
  11. Short Trick to Find Number of HandshakesDrm Video
  12. [Notes] Short Trick to Find Number of HandshakesPdf
  13. Chocolate Picking ProblemDrm Video
  14. [Notes] Chocolate Picking ProblemPdf
  15. Counting Sticks ApproachDrm Video
  16. [Notes] Counting Sticks ApproachPdf
  17. Short Tricks to Solve Dice Sum Problem (1)Drm Video
  18. [Notes] Short Tricks to Solve Dice Sum Problem (1)Pdf
  19. Short Tricks to Solve Dice Sum Problem (2)Drm Video
  20. [Notes] Short Tricks to Solve Dice Sum Problem (2)Pdf
  21. Conventional Method of Solving Dice Sum ProblemDrm Video
  22. [Notes] Conventional Method of Solving Dice Sum ProblemPdf
  23. Short Tricks for Alphabet Selection Problem in P&CDrm Video
  24. [Notes] Short Tricks for Alphabet Selection Problem in P&CPdf

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

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

Average

Age Problems

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

Profit and Loss

Time and Work

Pipe and Cistern

Basic Concepts, Formulas and Terminology

  1. Pipes & CisternsDrm Video
  2. [Notes] Pipes & CisternsPdf

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

Powers and Exponents (Surds and Indices)

Mensuration and Geometry

Probability

Statistics

Mean, Median, and Mode for grouped data

  1. Advance ConceptsDrm Video
  2. [Notes] Advance ConceptsPdf

Arithmetic

Algebra

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Previous-year questions

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