CSAT — Quantitative Aptitude

38 exam-focused UPSC notes for CSAT — Quantitative Aptitude — one for every syllabus unit. Free to read, in English and Hindi.

• Number system12 min read
• Percentages12 min read
• Average11 min read
• Profit & loss12 min read
• Time, speed, distance11 min read
• Time & work10 min read
• Algebra basics10 min read
• Permutations & combinations11 min read
• Geometry11 min read
• Mensuration10 min read
• Trigonometry basics9 min read
• Statistics basics9 min read
• Data interpretation11 min read
• Data sufficiency9 min read
• Fractions made simple14 min read
• Decimals and place value14 min read
• BODMAS and simplification13 min read
• Squares, cubes and roots14 min read
• Powers and indices14 min read
• Percentages from scratch14 min read
• Percentage increase and decrease15 min read
• Ratio and proportion15 min read
• Averages14 min read
• Profit, loss and discount15 min read
• Simple interest14 min read
• Compound interest15 min read
• Speed, distance and time14 min read
• Trains, boats and streams15 min read
• Time and work15 min read
• Pipes and cisterns14 min read
• Mixtures and alligation15 min read
• Problems on ages14 min read
• Partnership14 min read
• Permutations and combinations15 min read
• Probability14 min read
• Perimeter and area14 min read
• Volume and surface area15 min read
• Clocks and calendars15 min read