Video Lectures of UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making for UPSC CSE Exam
Watch free video lectures for UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making covering all chapters/topics as per the latest syllabus in 2026. These concept videos, recorded lectures, and audio notes are designed to help UPSC CSE students understand every topic clearly — anytime, anywhere. Start learning on EduRev.
Square Roots and Cube Roots
| Introduction to Square Root - Quantitative Aptitude 04:23 min |  |
| Square Root of Perfect Square in less than 1 Minute 04:57 min | |
| Calculating Square Root by Prime Factorization 06:10 min | |
| Problem Set 1 : Square Root and Cube Root 07:42 min | |
| Problem Set 2 : Square Root and Cube Root 08:46 min | |
| Square root of any Perfect Square Number in 3 seconds: Vedic Mathematics 06:53 min | |
| Calculating Square Root by Division Method 10:35 min | |
Exponent in Factorials
| Zeroes in a Factorial - Number Theory 04:43 min | |
LCM and HCF
| Basic Concepts: HCF and LCM 09:42 min | |
Surds
| Laws of Nth roots Surds - Quantitative Aptitude 03:25 min | |
| Problem Set 1 (Surds and Indices) - Quantitative Aptitude 08:37 min | |
| Surds and Indices - Quantitative Aptitude 03:51 min | |
| Problem Set 2 (Surds and Indices) - Quantitative Aptitude 06:16 min | |
Blood Relations
| Blood Relations & Family Tree 09:06 min | |
Miscellaneous Puzzles
| Tricks for Reasoning: Number Series 58:42 min | |
Logical Venn Diagram
| Set Theory and Venn Diagrams in Data Interpretation 33:48 min | |
Logic
| Blood Relations & Family Tree 09:06 min | |
| Explanation & Examples: Logical Sequence 13:36 min | |
| Logical Connectives (Part 1) - Logical Reasoning 14:46 min | |
| Logical Connectives (Part 2) - Logical Reasoning 29:04 min | |
| Introduction & Examples: Binary Logic (True/False Logic) 24:29 min | |
Averages
| Overview: Averages 01:56 min | |
Ratio and Proportions
| Introduction to Proportion: Ratio & Proportion 04:14 min | |
| Ratio & Proportion 09:29 min | |
| Introduction to Ratio - Ratio and Proportion 05:24 min | |
| Problem Set: Ratio & Proportion 07:57 min | |
Percentages
| Multiplying Factor: Percentages 02:45 min | |
| Shortcut Tricks: Percentages 04:24 min | |
| Tips & Tricks: Percentages 08:41 min | |
Profit and Loss
| Overview: Profit & Loss 08:20 min | |
Simple Interest and Compound Interest
| Concepts: Simple Interest 06:26 min | |
| Problem Set 1 : Simple Interest 06:27 min | |
| Problem Set 2 : Simple Interest 08:03 min | |
| Compound Interest Concept 06:29 min | |
| Problem Set 1 : Compound Interest 08:31 min | |
| Problem Set 2 : Compound Interest 11:00 min | |
Time and Work
| Reciprocals & LCM Method: Time & Work 03:12 min | |
Time, Speed and Distance
| Relative Speed: Speed, Time & Distance 03:00 min | |
| Landmark Problem: Time, Speed and Distance 02:35 min | |
Clocks and Calendar
| Basics of Clock - Arithmetic, Quantitative Reasoning 03:10 min | |
Surds, Indices and Logarithms
| Laws of Nth roots Surds - Quantitative Aptitude 03:25 min | |
| Problem Set 1 (Surds and Indices) - Quantitative Aptitude 08:37 min | |
| Surds and Indices - Quantitative Aptitude 03:51 min | |
| Problem Set 2 (Surds and Indices) - Quantitative Aptitude 06:16 min | |
Progression
| Arithmetic Progression & Geometric Progression 02:56 min | |
| Sum to Infinite (G.P.): Algebra, Quantitative Reasoning 06:42 min | |
Permutations and Combinations
| Miscellaneous: Permutations 03:25 min | |
| Permutation & Combination: Concept of Derangement 06:13 min | |
| Permutation & Combination | |
Probability
| Probability – Example (Goal Scored) Part 1 - Quantitative Aptitude 04:25 min | |
| What is Probability? 05:03 min | |
| Probability – Example (Goal Scored) Part 2 - Quantitative Aptitude 03:49 min | |
| Example Marbles Drawn: Probability- 1 04:12 min | |
| Example Marbles Drawn: Probability- 2 05:05 min | |
| Probability – Examples 05:25 min | |
Geometry
| Properties of Triangle 02:44 min | |
| Pythagoras Theorem: Geometry 02:57 min | |
| Problem Set on Triangles 09:31 min | |
| Problem Set on Triangles: 2 06:11 min | |
| Geometry of Quadrilateral 07:37 min | |
| Problem set on Rectangles - 1 08:20 min | |
| Problem set on Rectangles - 2 08:37 min | |
| Problem set on Square - 1 08:15 min | |
| Problem set on Square - 2 08:30 min | |
| Properties of Circles- Geometry, Quantitative Reasoning 02:33 min | |
| Problem set on Circles 08:22 min | |
| Coordinate Geometry (Introduction & Examples) - Quantitative Aptitude 10:31 min | |
Bar/Column Graphs
| Bar Graphs in Data Interpretation (DI) 13:19 min | |
Tables
| Simple Table Problems in Data Interpretation 19:49 min | |
| Unknown Parameter problems in Tables in Data Interpretation 09:00 min | |
Pie Charts
| Pie Charts in Data Interpretation (DI) 07:43 min | |
Data Sufficiency
| Introduction to Data Sufficiency 29:10 min | |
