Chapter 1

Time, Work and Wages

Time and Work: Efficiency of individuals/groups

medium • 1 min read

Men-days and group efficiency calculations

medium • 2 min read

Work and Wages: Compensation per individual

medium • 3 min read

Alternate day working patterns analysis

medium • 4 min read

Pipes and Cisterns: Tank filling and empty logic

medium • 5 min read

Chapter 2

Speed, Distance and Time

Relative speed: Overtaking and crossing trains

medium • 1 min read

Boats and Streams: Upstream and downstream speed

medium • 2 min read

Time and Distance mapping in complex scenarios

medium • 3 min read

Trains crossing platform and static objects

medium • 4 min read

Circular track race and clock logic (Basic)

medium • 5 min read

Chapter 3

Compound Interest and Loans

Compound Interest: Yearly vs half-yearly basis

medium • 1 min read

Difference between CI and SI for 2 and 3 years

medium • 2 min read

Installment calculation for loans and repayment

medium • 3 min read

Effective yield on compounded savings accounts

medium • 4 min read

Principal accumulation in long-term investments

medium • 5 min read

Chapter 4

Mensuration and Geometry

Area and Perimeter of 2D: Circle, Triangle

medium • 1 min read

Surface area and Volume of 3D: Cube, Cuboid

medium • 2 min read

Volume calculation of Cylinder and Sphere

medium • 3 min read

Unit conversion in measurement metrics for exams

medium • 4 min read

Coordinate geometry: Section and distance formulas

medium • 5 min read

Chapter 5

Data Sufficiency and Probability

Data sufficiency: Statement I vs Statement II

medium • 1 min read

Probability: Coin and Dice based simple sets

medium • 2 min read

Arrangement of cards and probability identification

medium • 3 min read

Statistical checks: Mean and Median analysis

medium • 4 min read

Identifying enough clues for arithmetic problems

medium • 5 min read