Chapter 1

Ratio and Proportion / Partnership

Ratio, proportion and variation problems

medium • 1 min read

Partnership: Investment and profit sharing

medium • 2 min read

Average and Age-based problems

medium • 3 min read

Mixture and Alligation: Replacing/mixing solutions

medium • 4 min read

Conceptual questions on ratios in geometry

medium • 5 min read

Chapter 2

Percentage / Profit and Loss

Percentage: Increase/decrease and successive change

medium • 1 min read

Profit, Loss and Discount: Selling/Cost price

medium • 2 min read

Dishonest dealer and successive discount cases

medium • 3 min read

Simple and Compound interest calculations

medium • 4 min read

Installment based problems in CI and SI

medium • 5 min read

Chapter 3

Time and Work / Pipes and Cistern

Time and Work: Men-days and group efficiency

medium • 1 min read

Work and Wages: Ratio based distribution

medium • 2 min read

Pipes and Cisterns: Tank filling/emptying logic

medium • 3 min read

Alternate day working and efficiency factor

medium • 4 min read

Complex work patterns and negative work cases

medium • 5 min read

Chapter 4

Time, Speed and Distance

Relative speed: Trains and overtaking problems

medium • 1 min read

Boats and Streams: Upstream/Downstream speed

medium • 2 min read

Average speed and circular track races

medium • 3 min read

Escalator based problems and walk/run speed

medium • 4 min read

Time-distance-speed relationship and mapping

medium • 5 min read

Chapter 5

Number Systems / Data Interpretation

Divisibility rules, HCF and LCM applications

medium • 1 min read

Data Interpretation: Line graphs and Bar charts

medium • 2 min read

Pie charts and Tables based numerical analysis

medium • 3 min read

Mean and Median questions in DI sets

medium • 4 min read

Simplification: BODMAS and fraction-based sums

medium • 5 min read